Technique for implementing very large pulse compression biphase

Details Technique for implementing very large pulse compression biphase Technique for implementing very large pulse compression biphase

1999-03-30

2000-02-01

Gregory, Bernarr E.

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

Synthetic aperture radar

342194, 342195, 342196, 342202, 342204, G01S 1389, G01S 728

Patent

active

060208430

ABSTRACT:
A processing method for use in providing improved SAR imagery at high duty factors that provides for enhanced radar sensitivity. Radar signals are transmitted that embody a high duty factor ultra-high resolution SAR waveform generated using a biphase code with a predetermined high pulse compression ratio. Received radar returns comprising a SAR map are Fourier transformed and multiplied by a stored set of complex weights. The resultant Fourier transformed complex weighted SAR map is then inverse Fourier transformed to obtain compressed range bins. The inverse Fourier transformed SAR map is then processed for display.

REFERENCES:
patent: 5708436 (1998-01-01), Loiz et al.

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