System for obscuring antenna sidelobe signals

System for overcoming the effect of electronic countermeasures

System for preventing collision of vehicles

System for protecting a vehicle-borne tracking radar against an

System for providing a summarized information on the line spectr

System for providing angular deviation data for locating a trans

System for receiving radio waves through single antenna apparatu

System for resolving velocity ambiguity in pulse-doppler radar

System for sensing velocity through the use of altimetry signals

System for synchronizing synthesizers of communication systems

System for the automatic correction of polarization distortion i

System for the suppression by matching techniques of unwanted ec

System for tracking a moving target

System for transmitting power from a solar satellite to earth an

System for use in an aircraft for obstacle detection

System of directional antennas with means for reducing flutter

System to process antenna beams to obtain the angular location o

Systems and methods for determining radio frequency interference

Systems for reducing the elevation error for tracking radars of