US4117481A
|
|
Sidelooking radar and system for identifying objects
|
US4080660A
|
|
Digital signal time scale inversion
|
US4082991A
|
|
Superconducting energy system
|
US4067009A
|
|
Beam focused synthetic aperture
|
US4025772A
|
|
Digital convolver matched filter and correlator
|
US3988572A
|
|
Synthetic aperture system for information transfer and object identification
|
US4006351A
|
|
Recursive filter implemented as a matched clutter filter
|
US3965342A
|
|
Digital FFT processor using random access memory
|
US3950635A
|
|
Digital matched filter and correlator using random access memory
|
US3965472A
|
|
Off-resonant chaff system for a large target viewed by low frequency radar
|
US3896435A
|
|
Simple radar for detecting the presence, range and speed of targets
|