A protective housing (1) for a camera system mounted on a platform is described. The housing (1) is formed in a domed shape and covers sensitive optical systems. The housing (1) is mounted on or forms part of the external housing of the seeker system. The housing (1) is optically transparent whilst also being condu...

A radar surveillance system is described in which the radar beam re visits each area of interest after a short period of time by electronically reconfiguring a scanned beam to an offset position for an interleaved sub dwell within a scan period. This look back capability where the area under test is re visited after...

Abstract The present invention relates to emitter location. More specifically, it relates to locating emitters using only their fundamental frequency information. The present invention recites a method of determining the location of an emitter source comprising the steps of receiving signal information from the so...