DESC:TECHNICAL FIELD
[0001] The present invention relates generally to a system and method for wideband active side scan sonar parameter estimation.
BACKGROUND
[0002] Conventionally, equivalent sonar system parameter estimators use hardware-based solution models and provides fewer fine-tuning options. Most of the systems were limited to narrow-band single mode transducer and use complex hardware components.
[0003] The patent application US20170003383A1 claims that an active sonar system including a transmitter, a transducer, and an impedance matching circuit, and a method of estimating an equivalent model parameter of a multi-mode transducer, wherein an electrical equivalent model parameter having a plurality of stages corresponding to each mode is estimated by estimating an individual mode impedance and a total mode impedance from multi-mode impedance data and obtaining an interference amount of adjacent modes, and an equivalent model modelled, thereby for which an interference effect by a multi-mode is taken into consideration is used for a design of an impedance matching circuit to minimize actual model fabrication and effectively derive detailed design elements and the like, thereby allowing an integrated circuit design with peripheral electronic units for interfacing the Sonar system.
[0004] Further, the patent US3922634 claims that a sonar system having means for controlling the angular beamwidth or resolution of a received acoustical signal. The sonar system includes a pair of hydrophones, a pair of tunnel diode switches for respectively producing marker pulses at the times negative going zero-crossing acoustical signals make contact with said pair of hydrophones, a pair of variable differentiators for differentiating said marker pulses, an adder for adding said differentiated marker pulses, a coincidence detector for producing a square wave type of signal the positive portion of which is proportional to selected periods of coincidence of the marker pulses in response to the addition thereof, an integrator for producing a voltage representing the integration of the positive portions of the square wave type of signal, and a display for reading out the voltage.
[0005] Therefore, there is a need of an invention which solves the above defined problems and provides a system and method for estimating design parameters for an active side scan sonar device.
SUMMARY
[0006] This summary is provided to introduce concepts related to a system and method for wideband active side scan sonar parameter estimation. This summary is neither intended to identify essential features of the present invention nor is it intended for use in determining or limiting the scope of the present invention.
[0007] For example, various embodiments herein may include one or more systems and methods thereof are provided. In one of the embodiments, a method for estimating wideband active side scan sonar parameters includes a step of storing, by a storage with transient acoustic signature module, an acoustic signature for an acoustic signal having an acoustic pulse over a swath, and intensity of the signal The method includes a step of deriving, by a derivation module, a swath length of an acoustic wave based on the acoustic signature and providing at least one operating mode. The method includes a step of estimating, by a parameter estimation module, a plurality of side scan transducer parameters based on the operating mode and a pre-defined model. The method includes a step of predicting, by a prediction module, speed of sound based on the estimated parameters. The method includes a step of determining, by an interface module, design parameters based on the predicted speed. The method includes a step of generating, by the interface module, an estimated design for a sonar device based on the determined design parameters.
[0008] In another embodiment, a system for estimating wideband active side scan sonar parameters includes a storage with transient acoustic signature module, a derivation module, a parameter estimation module, a prediction module, and an interface module. The storage with transient acoustic signature module is configured to store an acoustic signature for an acoustic signal having an acoustic pulse over a swath, and intensity of the signal. The derivation module is configured to derive a swath length of an acoustic wave based on the acoustic signature and provide at least one operating mode. The parameter estimation module is configured to estimate a plurality of side scan transducer parameters based on the operating mode and a pre-defined model. The prediction module is configured to predict speed of sound based on the estimated parameters. The interface module is configured to determine design parameters based on the predicted speed and generate an estimated design for a sonar device.
BRIEF DESCRIPTION OF ACCOMPANYING DRAWINGS
[0001] The detailed description is described with reference to the accompanying figures. In the figures, the left-most digit(s) of a reference number identifies the figure in which the reference number first appears. The same numbers are used throughout the drawings to reference like features and modules.

[0002] Figure 1 illustrates a block diagram depicting a system for wideband active side scan sonar parameter estimation, according to an implementation of the present invention.

[0003] Figure 2 illustrates a block diagram depicting hardware components used for the system of Figure 1, according to an exemplary implementation of the present invention.

[0004] Figure 3 illustrates a schematic diagram depicting generation of the side scan sonar system parameters, according to an exemplary implementation of the present invention.
[0005] Figure 4 illustrates a schematic diagram depicting a parameter estimation module of the system of Figure 1, according to an exemplary implementation of the present invention.

[0006] Figure 5 illustrates a front view depicting an operation of the system of Figure 1, according to an exemplary implementation of the present invention.

[0007] Figure 6 illustrates a top view depicting an operation of the system of Figure 1, according to an exemplary implementation of the present invention.

[0008] Figures 7a-7d illustrate graphical representation depicting a noise model at different sea states, according to an exemplary implementation of the present invention.

[0009] Figures 8a-8d illustrate use case scenarios depicting a graphical user interface transducer and sonar related parameters, according to an exemplary implementation of the present invention.

[0010] Figure 9 illustrates a flowchart depicting a method for estimating wideband active side scan sonar parameters, according to an implementation of the present invention.
[0011] It should be appreciated by those skilled in the art that any block diagrams herein represent conceptual views of illustrative systems/platforms embodying the principles of the present invention. Similarly, it will be appreciated that any flowcharts, flow diagrams, and the like represent various processes which may be substantially represented in computer readable medium and so executed by a computer or processor, whether or not such computer or processor is explicitly shown.

DETAILED DESCRIPTION
[0012] In the following description, for the purpose of explanation, specific details are set forth in order to provide an understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without these details. One skilled in the art will recognize that embodiments of the present invention, some of which are described below, may be incorporated into a number of systems.
[0013] The various embodiments of the present invention provide a system and method for wideband active side scan sonar parameter estimation. Furthermore, connections between components and/or modules within the figures are not intended to be limited to direct connections. Rather, these components and modules may be modified, re-formatted or otherwise changed by intermediary components and modules.
[0014] References in the present invention to “one embodiment” or “an embodiment” mean that a particular feature, structure, characteristic, or function described in connection with the embodiment is included in at least one embodiment of the invention. The appearances of the phrase “in one embodiment” in various places in the specification are not necessarily all referring to the same embodiment.
[0015] In an embodiment, the present invention is related to a methodology and system for estimating design parameters for active side scan sonar device. Equivalent sonar system parameter estimators use hardware-based solution models and provides fewer fine-tuning options. Most of them were limited to narrow-band single mode transducer and used complex hardware. The present invention estimates most efficient side scan sonar design for respective input parameters. The present invention is specialized for active side scan sonar in multi-ping as well as multi-beam modes of operation. The present invention estimates system design parameters for an active side scan system using a simulated noise model and transmitter/receiver array sensitivity curves. The system can be implemented on any hardware irrespective of their architecture. Unlike other design estimators, the present invention provides suggestion on front-end electronics characteristics, system operational parameters, and transducer selection. This invention is independent on any actual transducer as well as sonar devices.
[0016] In another embodiment, the present invention provides a methodology and system for estimating design parameters for a highly efficient wideband active side scan sonar system based on operational parameters, system parameters and underwater environment. Operational parameters like area coverage rate, tow speed, operating depth and resolution are used to derive swath length and suggest best ping/beam operating modes. System parameters like operating frequency, transmit mode, and signal-to-noise ratio (SNR) along with an underwater environment model are used to derive side scan transducer parameters. A simplified sound speed model predicts speed of sound with respect to operating depth, salinity and temperature. A graphical user interface provides access to design parameters and displays estimated design. The methodology of design makes it implementable on any platform irrespective of hardware architecture. A single core processor-based board having base frequency of 1giga hertz (GHz) is used for system implementation. The system can be realized on any hardware irrespective of their architecture. Minimum processor features are required depends on an end-user application.
[0017] In one of the embodiments, a method for estimating wideband active side scan sonar parameters includes a step of storing, by a storage with transient acoustic signature module, an acoustic signature for an acoustic signal having an acoustic pulse over a swath, and intensity of the signal . The method includes a step of deriving, by a derivation module, a swath length of an acoustic wave based on the stored acoustic signature and providing at least one operating mode. The method includes a step of estimating, by a parameter estimation module, a plurality of side scan transducer parameters based on the operating mode and a pre-defined model. The method includes a step of predicting, by a prediction module, speed of sound based on the estimated parameters. The method includes a step of determining, by an interface module, design parameters based on the predicted speed. The method includes a step of generating, by the interface module, an estimated design for a sonar device based on the determined design parameters.
[0018] In another implementation, the method includes a step of processing, by the storage with transient acoustic signature module, a conical fan shaped acoustic pulse over the swath.
[0019] In another implementation, the operating mode is a ping operating mode or a beam operating mode.
[0020] In another implementation, the pre-defined model is an underwater environment model or a noise model.
[0021] In another implementation, the method includes a step of estimating, by the parameter estimation module, swath, transducer bandwidth or transmit pulse width, transducer array dimension or beam width with depression angle prediction, a nadir gap, slant at a full swath, sound speed, threshold detection, a transducer electrical parameter, a source level, noise estimation, noise attenuation, propagation loss, and target strength.
[0022] In another implementation, the method includes a step of estimating, by the parameter estimation module, noise attenuation based on an operating frequency.
[0023] In another implementation, the method includes a step of deriving, by the parameter estimation module, propagation attenuation for estimating propagation loss by using parameters including an operating depth, salinity, temperature, and the operating frequency.
[0024] In another implementation, the method includes a step of estimating, by the parameter estimation module, the side transducer array dimension by using a correction technique based on a nadir length.
[0025] In another implementation, the method includes a step of estimating, by the parameter estimation module, the source level by computing sensitivity based on signal-to-noise ratio (SNR).
[0026] In another embodiment, a system for estimating wideband active side scan sonar parameters includes a storage with transient acoustic signature module, a derivation module, a parameter estimation module, a prediction module, and an interface module. The storage with transient acoustic signature module is configured to store an acoustic signature for an acoustic signal having an acoustic pulse over a swath, and intensity of the signal. The derivation module is configured to derive a swath length of an acoustic wave based on the stored acoustic signature and provide at least one operating mode. The parameter estimation module is configured to estimate a plurality of side scan transducer parameters based on the operating mode and a pre-defined model. The prediction module is configured to predict speed of sound based on the estimated parameters. Then, the interface module is configured to determine design parameters based on the predicted speed and generate an estimated design for a sonar device.
[0027] In another implementation, the storage with transient acoustic signature module is configured to processing a conical fan shaped acoustic pulse over the swath, and capture the intensity of the acoustic signal.
[0028] In another implementation, the parameter estimation module is configured to estimate swath, transducer bandwidth or transmit pulse width, transducer array dimension or beam width with depression angle prediction, a nadir gap, slant at a full swath, sound speed, threshold detection, a transducer electrical parameter, a source level, noise estimation, propagation loss, and target strength.
[0029] In another embodiment, the system provides One-click option for quick estimation of system parameters based on default settings.
[0030] In another embodiment, the system provides an option to include custom values for any parameter value and fine tune the system.
[0031] In another embodiment, the system incorporates sound velocity calibration based on temperature, salinity, and depth/pressure.
[0032] In an embodiment, the system generates a noise model for frequency range 100Hz to 1MHz, which is mainly used for low frequency applications.
[0033] In an embodiment, a novel methodology for estimating noise attenuation implemented based on operating frequency.
[0034] In an embodiment, the system derives propagation attenuation in terms of side scan operating depth, salinity, temperature and operating frequency for the frequency range of 100Hz to 1MHz.
[0035] In an embodiment, the system provides an option to include custom values for any parameter value and fine tune in the system.
[0036] In an embodiment, the system incorporates sound velocity calibration based on temperature, salinity, and depth/pressure.
[0037] In an embodiment, the system is implemented independent on hardware architecture.
[0038] Figure 1 illustrates a block diagram depicting a system for wideband active side scan sonar parameter estimation (100), according to an implementation of the present invention.
[0039] In an embodiment, a system for wideband side scan sonar parameter estimation (hereinafter referred to as “system”) (100) includes a storage with transient acoustic signature module (102), a derivation module (104), a parameter estimation module (106), a prediction module (108), and an interface module (110).
[0040] The storage with transient acoustic signature module (102) is configured to store/ hold an acoustic signal having an acoustic pulse over a swath, and intensity of the signal. In an embodiment, the storage with transient acoustic signature module (102) is configured to processing a conical fan shaped acoustic pulse over the swath.
[0041] The derivation module (104) is coupled with the storage with transient acoustic signature (102) to receive the acoustic signature. The derivation module (104) is configured to derive a swath length of an acoustic wave based on the stored acoustic signature and provide at least one operating mode. In an embodiment, the operating mode is a ping operating mode or a beam operating mode.
[0042] The parameter estimation module (106) is coupled with the derivation module (104) to receive the operating mode. The parameter estimation module (106) is further configured to estimate a plurality of side scan transducer parameters based on the operating mode and a pre-defined model. In an embodiment, the pre-defined model is an underwater environment model or a noise model. In another embodiment, the system (100) is configured to generate an underwater noise model for the frequency ranging from 100Hz to 1MHz. In one embodiment, the parameter estimation module (106) is configured to estimate swath, transducer bandwidth or transmit pulse width, transducer array dimension or beam width with depression angle prediction, a nadir gap, slant at a full swath, sound speed, threshold detection, a transducer electrical parameter, a source level, noise estimation, propagation loss, and target strength.
[0043] In an embodiment, the parameter estimation module (106) is configured to estimate noise attenuation based on an operating frequency. In one embodiment, the parameter estimation module (106) is configured to derive propagation attenuation for estimating propagation loss by using parameters including an operating depth, salinity, temperature, and the operating frequency. The parameter estimation module (106) is configured to estimate propagation attenuation in terms of a side scan sonar device depth/pressure, salinity, temperature and operating frequency for the frequency range of 100Hz to 1MHz. In another embodiment, the parameter estimation module (106) is configured to estimate the side transducer array dimension by using a correction technique based on a nadir length. In yet another embodiment, the parameter estimation module (106) is configured to estimate the source level by computing sensitivity based on signal-to-noise ratio (SNR). In an embodiment, the parameter estimation module (106) is configured to estimate noise attenuation based on a side scan device depth.
[0044] In another embodiment, the parameter estimation module (106) is configured to estimate high efficiency side scan transducer array dimensions using an adaptive correction algorithm based on a derived nadir length. In another embodiment, the parameter estimation module (106) is configured to estimate transmitter/receiver source levels and predicts transmitter/receiver sensitivity based on the SNR.
[0045] The prediction module (108) is coupled with the parameter estimation module (106) to receive the estimated parameters. The prediction module (108) is further configured to predict speed of sound based on the estimated parameters.
[0046] The interface module (110) is coupled with the prediction module (108) to receive the predicted speed of sound. The interface module (110) is further configured to determine design parameters based on the predicted speed and generate an estimated design for a sonar device.
[0047] In an embodiment, the system (100) can be implemented on any hardware irrespective of hardware architecture.
[0048] Figure 2 illustrates a block diagram (200) depicting hardware components used for the system (100) of Figure 1, according to an exemplary implementation of the present invention.
[0049] In an embodiment, the system (100) is configured to determine design features and generate the estimated design for a high efficiency wideband active side scan sonar system (100) for the input parameters. In an embodiment, the system (100) does not depend on any other external devices for inputs. In an exemplary embodiment, the hardware used in the system (100) includes a single board computer having a processor card (206) with keyboard/mouse as an input device (204), a display (208) as a device, and a power supply card (202). In one embodiment, a graphical user interface (GUI) is implemented which acts as an interface module (110) to provide user control to change design parameters and generate the system parameters. In Figure 2, the input to the system (100) can be provided through a keyboard/mouse by using the interface module (110). An output will be generated by the system (100) which will be displayed on the display (208).
[0050] Figure 3 illustrates a schematic diagram (300) depicting generation of the side scan sonar system parameters, according to an exemplary implementation of the present invention.
[0051] In Figure 3, the system (100) generates output parameters by capturing the pre-defined input parameters. In an embodiment, the input parameters include, but are not limited to, an area coverage rate (ACR), a number of pings in multi-ping operating modes (Mp), a number of beams in a multibeam operating mode (Mb), tow-speed (Vs), frequency of operation (Fc), a resolution across track (Rac), a resolution along track (Ral), operating depth (d), operating height (h), ambient temperature (Ta), salinity (S), transmit mode, (Tmode) required system signal to noise ratio (SNR), target backscattering strength (Bs) and sea state (Ss).
[0052] In another embodiment, the output parameters include, but are not limited to, swath range which satisfy ACR without nadir (Ls), swath range which satisfy ACR with nadir (Lt), operating frequency bandwidth for chirp transmission (Fbw), an operating pulse width for continuous wave transmission (Tpw), speed of sound (c), a transducer along track beam width (Aaltf), a transducer across track beam width (Aactf), a transducer depression angle (Da), transducer length (Trlen), transducer width (Trwid), nadir length (Ln), detection threshold (DT), directivity index (DI), underwater noise attenuation (a), propagation loss (PL), target strength (TS), source level (SL), transmitter sensitivity (Txs), receiver sensitivity (Rxs), transmitter voltage (Txv), and receiver voltage (Rxv).
[0053] Figure 4 illustrates a schematic diagram depicting a parameter estimation module (106) of the system (100) of Figure 1, according to an exemplary implementation of the present invention.
[0054] In an embodiment, the parameter estimation module (106) is configured to estimate swath, at a block (402), by taking input parameters ACR, Mp/Mb and Vs and generate Ls by using following equation:

[0055] In an embodiment, the parameter estimation module (106) is configured to estimate transducer bandwidth/ transmit pulsewidth (Fbw/Tpw), at a block (404), by taking input parameters Fc, Rac, and Tmode , generate Ls by using following equation:

[0056] In an embodiment, the parameter estimation module (106) is configured to estimate transducer array dimension/beamwidth with depression angle prediction (Trlen, Aaltf, Aactf, Da, Trwid and DI), at a block (406), by taking input parameters Ls, Ral, Fc, and h as shown in equation below.

[0057] In an embodiment, the parameter estimation module (106) is configured to estimate nadir (Ln), at a block (408), from Aactf and Da as shown in equation below:

[0058] In an embodiment, the parameter estimation module (106) is configured to estimate slant range at full swath (Lsl and Lt), at a block (410), from Ls and Ln as shown in equation below.

[0059] In an embodiment, the parameter estimation module (106) is configured to estimate speed of sound (c), at a block (412), from Ta, S, and d as shown in equation below.
[0060] In an embodiment, the parameter estimation module (106) is configured to estimate the detection threshold (DT), at a block (414), from SNR as shown in equation below.

[0061] In an embodiment, the parameter estimation module (106) is configured to estimate a noise model (a), at a block (416), from Fc and Ss using equations given in Figures 7a to 7d. Figures 7a-7d illustrate graphical representation depicting a noise model at different sea states, according to an exemplary implementation of the present invention. In Figure 7a, the noise model at a sea state 0 is presented. In Figure 7b, the noise model at a sea state 2 is presented. In Figure 7c, the noise model at a sea state 4 is presented. In Figure 7d, the noise model at a sea state 6 is presented. Attenuation coefficient for intermediate sea conditions is obtained by curve interpolation and curve fitting techniques.
[0062] In an embodiment, the parameter estimation module (106) is configured to estimate a propagation loss model (PL), at a block (418), from Fc, Ta, S, d, Lsl as shown in equation below, where pH is hydrogen ion concentration in water.

[0063] In an embodiment, the parameter estimation module (106) is configured to estimate a target strength model (TS), at a block (420), from Bs, Tpw, Lsl and Aaltf as shown in equation below.
[0064] In an embodiment, the parameter estimation module (106) is configured to estimate a source level (SL), at a block (422), from DT, DI, a, PL, and TS as shown in equation below.

[0065] In an embodiment, the parameter estimation module (106) is configured to estimate a transducer electrical model (Txs, Rxs, Txv, and Rxv), at a block (424), from SL as shown in equation below.

[0066] Figure 5 illustrates a front view (500) depicting an operation of the system of Figure 1, according to an exemplary implementation of the present invention. Figure 6 illustrates a top view (700) depicting an operation of the system of Figure 1, according to an exemplary implementation of the present invention.
[0067] In an embodiment, a side scan sonar is a category of a sonar device to map topography of underwater seabed. It uses a device that processes conical fan shaped acoustic pulse over a swath and, intensity of reflected signal is captured, sampled and mapped onto a series of across-track slices. Figure 5 shows a front view of the system (100) in operation and Figure 6 shows a top view of the system (100) in operation. As shown, the system (100) is operating at a depth d, and altitude h, and using the transducer (502) with across-track beam width (Aactf), along track beamwidth (Aaltf), and with depression angle (Da). In this, achievable swath range is (Ls) and nadir gap length is (Ln).
[0068] Figures 8a-8d illustrate use case scenarios depicting a graphical user interface (GUI) transducer and sonar related parameters, according to an exemplary implementation of the present invention. In Figures 8a-8d, the GUI interface used for the system (100). The GUI provides a manual tuning option for every parameter to estimate design based on a requirement.
[0069] Figure 9 illustrates a flowchart (900) depicting a method for estimating wideband active side scan sonar parameters, according to an implementation of the present invention.
[0070] The flowchart starts at a step (902), storing, by a storage with transient acoustic signature module, an acoustic signature for an acoustic signal having an acoustic pulse over a swath, and intensity of the signal. In an embodiment, the storage with transient acoustic signature module (102) is configured to store an acoustic signal having an acoustic pulse over a swath, and intensity of the signal . At a step (904), deriving, by a derivation module, a swath length of an acoustic wave based on the stored acoustic signature and providing at least one operating mode. In an embodiment, the derivation module (104) is configured to derive a swath length of an acoustic wave and providing at least one operating mode. At a step (906), estimating, by a parameter estimation module, a plurality of side scan transducer parameters based on the operating mode and a pre-defined model. In an embodiment, the parameter estimation module (106) is configured to estimate a plurality of side scan transducer parameters based on the operating mode and a pre-defined model. At a step (908), predicting, by a prediction module, speed of sound based on the estimated parameters. In an embodiment, the prediction module (108) is configured to predict speed of sound based on the estimated parameters. At a step (910), determining, by an interface module, design parameters based on the predicted speed. In an embodiment, the interface module (110) is configured to determine design parameters based on the predicted speed. At a step (912), generating, by the interface module, an estimated design for a sonar device based on the determined design parameters. In an embodiment, the interface module (110) is configured to generate an estimated design for a sonar device based on the determined design parameters.
[0071] It should be noted that the description merely illustrates the principles of the present invention. It will thus be appreciated that those skilled in the art will be able to devise various arrangements that, although not explicitly described herein, embody the principles of the present invention. Furthermore, all examples recited herein are principally intended expressly to be only for explanatory purposes to help the reader in understanding the principles of the invention and the concepts contributed by the inventor(s) to furthering the art and are to be construed as being without limitation to such specifically recited examples and conditions. Moreover, all statements herein reciting principles, aspects, and embodiments of the invention, as well as specific examples thereof, are intended to encompass equivalents thereof.

,CLAIMS:
1. A method for estimating wideband active side scan sonar parameters, the method comprising:
storing, by a storage with transient acoustic signature module (102), an acoustic signature for an acoustic signal having an acoustic pulse over a swath, and intensity of the signal;
deriving, by a derivation module (104), a swath length of an acoustic wave based on the stored acoustic signature and providing at least one operating mode;
estimating, by a parameter estimation module (106), a plurality of side scan transducer parameters based on the operating mode and a pre-defined model;
predicting, by a prediction module (108), speed of sound based on the estimated parameters;
determining, by an interface module (110), design parameters based on the predicted speed; and
generating, by the interface module (110), an estimated design for a sonar device based on the determined design parameters.

2. The method as claimed in claim 1, comprising: processing, by the storage with transient acoustic signature module (102), a conical fan shaped acoustic pulse over the swath.

3. The method as claimed in claim 1, wherein the operating mode is a ping operating mode or a beam operating mode.

4. The method as claimed in claim 1, wherein the pre-defined model is an underwater environment model or a noise model.

5. The method as claimed in claim 1, comprising: estimating, by the parameter estimation module (106), swath, transducer bandwidth or transmit pulse width, transducer array dimension or beam width with depression angle prediction, a nadir gap, slant at a full swath, sound speed, threshold detection, a transducer electrical parameter, a source level, noise estimation, noise attenuation, propagation loss, and target strength.

6. The method as claimed in claim 5, comprising: estimating, by the parameter estimation module (106), noise attenuation based on an operating frequency.

7. The method as claimed in claim 5, comprising: deriving, by the parameter estimation module (106), propagation attenuation for estimating propagation loss by using parameters including an operating depth, salinity, temperature, and the operating frequency.

8. The method as claimed in claim 5, comprising: estimating, by the parameter estimation module (106), the side transducer array dimension by using a correction technique based on a nadir length.

9. The method as claimed in claim 5, comprising: estimating, by the parameter estimation module (106), the source level by computing sensitivity based on signal-to-noise ratio (SNR).

10. A system (100) for estimating wideband active side scan sonar parameters, the system (100) comprising:
a storage with transient acoustic signature module (102) configured to store an acoustic signature for an acoustic signal having an acoustic pulse over a swath, and intensity of the signal;
a derivation module (104) coupled with the storage with transient acoustic signature (102), the derivation module (104) configured to derive a swath length of an acoustic wave based on the stored acoustic signature and provide at least one operating mode;
a parameter estimation module (106) coupled with the derivation module (104), the parameter estimation module (106) configured to estimate a plurality of side scan transducer parameters based on the operating mode and a pre-defined model;
a prediction module (108) coupled with the parameter estimation module (106), the prediction module (108) configured to predict speed of sound based on the estimated parameters; and
an interface module (110) coupled with the prediction module (108), the interface module (110) configured to determine design parameters based on the predicted speed and generate an estimated design for a sonar device.

11. The system (100) as claimed in claim 10, wherein the storage with transient acoustic signature module (102) is configured to process a conical fan shaped acoustic pulse over the swath.

12. The system (100) as claimed in claim 10, wherein the parameter estimation module (106) is configured to estimate swath, transducer bandwidth or transmit pulse width, transducer array dimension or beam width with depression angle prediction, a nadir gap, slant at a full swath, sound speed, threshold detection, a transducer electrical parameter, a source level, noise estimation, propagation loss, and target strength.