Pulse burst compression radar

Claim 1

A PULSED RADAR SYSTEM COMPRISING A TRANSMITTER AND RECEIVER, SAID TRANSMITTER INCLUDING MEANS FOR PRODUCING RECURRENT GROUPS OF PULSED OSCILLATIONS, SAID GROUPS OCCURRING AT THE RADAR REPETITION RATE, SAID MEANS FOR PRODUCING INCLUDING MEANS FOR PHASE SHIFTING AT LEAST ONE OF THE CARRIERS OF THE PULSED OSCILLATIONS WITHING EACH GROUP WHEREBY THE CARRIERS OF ALL THE PULSED OSCILLATIONS WITHIN EACH GROUP DO NOT HAVE THE SAME PHASE, AND MEANS FOR RADIATING SID RECURRENT GROUPS OF PHASE SHIFTED PULSED OSCILLATIONS; SAID RECEIVER INCLUDING MEANS TO COMPRESS EACH GROUP OF RECEIVED PULSED OSCILLATIONS INTO A PREDOMINANT SINGLE PULSE HAVING AN AMPLITUDE SUBSTANTIALLY EQUALLING THE INPHASE SUMMATION OF ALL THE PULSED OSCILLATIONS COMPRISING EACH GROUP AND HAVING A DURATION SUBSTANTTIALLY EQUAL TO EACH OF THE PULSED OSCILLATIONS COMPRISING EACH GROUP, SAID MEANS TO COMPRESS COMPRISING FIRST AND SECOND PHASE DEMODULATING MEANS EACH ADAPTED TO RECEIVE THE GROUPS OF RECEIVED PHASE SHIFTED PULSED OSCILLATIONS AT FIRST INPUTSD THERETO AND FIRST AND SECOND REFERENCE SIGNALS AT SECOND INPUTS THERETO, SAID FIRST AND SECOND REFERECE SIGNALS HAVING A QUADRATURE PHASE RELATIONSHIP; FIRST AND SECOND DELAY MEANS EACH HAVING A PLURALITY OF OUTPUT FOR INCREASINGLY DELAYING A RESPECTIVE ONE OF THE OUTPUTS OF SAID FIRST AND SECOND DEMODULATING MEANS BY INCREMENTAL AMOUNTS EACH SUBSTANTIALLY EQUAL TO THE TIME SEPARATION BETWEEN THE PULSED OSCILLATIONS COMPRISING SAID GROUPS, EACH SAID OUTPUT PRODUCING A RESPECTIVELY DELAYED OUTPUT OF SAID FIRST AND SECOND DEMODULATING MEANS, FIRST AND SECOND SUMMING MEANS RESPECTIVELY CONNECTED TO THE OUTPUTS OF SAID FIRST AND SECOND DELAY MEANS, FIRST AND SECOND RECTIFYING MEANS EACH CONNECTED TO THE OUTPUT OF A RESPECTIVE ONE OF SAID SUMMING MEANS AND THIRD SUMMING MEANS ADAPTED TO RECEIVE THE OUTPUTS OF SAID FIRST AND SECOND RECTIFYING MEANS.