Monopulse radar system poviding common amplification of plural signals

Claim 1

IN COMBINATION: AN AIRBORNE MONOPULSE RADAR SYSTEM INCLUDING RADIATION MEANS DIRECTED ALONG A SUBSTANTIALLY LINEAR PATH, ANTENNA PATTERN MEANS OF AT LEAST TWO LOBES FOR PROVIDING A PAIR OF REFLECTION SIGNALS FROM EACH TARGET POINT, AND MEANS FOR FORMING DISTINCT SUM AND DIFFERENCE SIGNALS FROM SAID REFLECTION SIGNAL; A COMPUTER FED BY SAID SUM AND DIFFERENCE SIGNALS COMPRISING, VELOCITY-MODULATED AMPLIFYING MEANS FOR SIMULTANEOUSLY HANDLING SAID SUM AND DIFFERENCE SIGNALS, AND PHASE DETECTION MEANS FED BY THE OUTPUT OF SAID AMPLIFYING MEANS FOR PROVIDING AN OUTPUT VOLTAGE SIGNAL HAVING A MAGNITUDE DEFINED BY THE PRODUCT OF THE COSINE OF THE PHASE ANGLE OF SAID SIGNALS AND THE RATIO OF THE DIFFERENCE SIGNAL TO THE SUM SIGNAL, SAID PRODUCT BEING REPRESENTATIVE OF THE ANGLE OF THE TARGET POINT RELATIVE TO THE LINE OF RADIATION AS REFERENCED TO THE SYSTEM LOCATION; AND MEANS OPERATIVELY RELATED WITH SAID PRODUCT VOLTAGE FOR PROVIDING A SIGNAL VOLTAGE OUTPUT CORRESPONDING SUBSTANTIALLY TO THE HEIGHT OF SAID SYSTEM RELATIVE TO THE TARGET POINT.