ECM MULTIPLE-TARGET RETRODIRECTIVE ANTENNA

Abstract

A linear antenna array receives incoming microwave signals which are coup to a wide-angle, microwave lens to produce a received beam pattern in azimuth. The beam pattern is crystal detected and log video amplified to produce an output signal comprising directional information in the amplitude level. The directional information is processed in a logic processor which converts information into binary voltage levels which are gated to appropriate switch drivers and to automatically decide the discrete received beam detecting target signal and to activate a switch which will enable ECM signals to be transmitted to radiate in the desired transmit beam. ECM signals which are gated through the switch apparatus by inputs from the logic processor are coupled to a second microwave lens apparatus which forms a beam pattern to be transmitted which is retro-directive with respect to the received beam pattern. The beam is transmitted by a linear antenna array.

Source: Google Patents

35 USC §181 Secrecy Order

Inventor

• 1RICHARD A. HILLS

Sensitive facility: San Diego CA (SAIC/General Dynamics)

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