Phase coherent radar system using fast frequency agile waveform

Details Phase coherent radar system using fast frequency agile waveform Phase coherent radar system using fast frequency agile waveform

1996-03-22

1998-03-10

Sotomayor, John B.

Communications: directive radio wave systems and devices (e.g.,

With particular circuit

For pulse modulation

342 62, 342 97, 342131, 342137, 342140, 342194, 342196, 342188, G01S 7292, G01S 1372

Patent

active

057266573

ABSTRACT:
A radar system in which a frequency agile synthesizer is used to provide rapid frequency shifts and in which measures are taken to maintain phase coherency. The system is fully coherent such that all signals are derived from a common source and are capable of high pulse repetition rates in excess of 1 MHz. There are no inherent transmit duty cycle restrictions and the system is able to transmit complex phase and frequency modulated waveforms. A frequency interleaving scheme is used to resolve range ambiguities at high pulse repetition frequencies and the use of a complementary phase coding scheme allows a high range resolution processing with the transmitted waveforms.

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