Processing method using an advanced radar waveform for simultane

Details Processing method using an advanced radar waveform for simultane Processing method using an advanced radar waveform for simultane

1995-06-06

1997-01-14

Sotomayor, John B.

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

Clutter elimination

Mti

342161, 342162, 342196, 342203, G01S 1353

Patent

active

055944515

ABSTRACT:
A method of processing radar returns derived from a new radar waveform. The method processes radar returns derived from transmitting the radar waveform to provide simultaneous matched processing and range profiling of different size objects in the presence of clutter. In the present method, radar returns are digitized and processed to produce pulse compressed radar returns having a predetermined (169:1) pulse compression ratio. A pulse to pulse fast Fourier transform on each RF step is performed on the pulse compressed radar returns. The Fourier transformed radar returns are then simultaneously processed by three processing channels, one each for ships, boats and submarines to provide detection of the different size objects. The waveform permits concurrent detection, discrimination, and high resolution range imaging of detected objects within a single dwell, using a single waveform. Thus, a radar search mode using the waveform integrates several search functions without increasing search frame time.

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