Radar signal processing process and circuit

Details Radar signal processing process and circuit Radar signal processing process and circuit

1981-05-12

1984-07-24

Wilbur, Maynard R.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 5FT, G01S 1390

Patent

active

044620322

ABSTRACT:
Process for real time signal processing for side-looking synthetic aperture radar systems, the signal consisting of sample sequences corresponding to given spacing gates. For each spacing gate an operation corresponding to an auto-correlation is directly performed on the radar signal, this relating to a product signal of a sample by a phase term varying quadratically with the rank of the sample, which supplies an estimate of the Fourier components of the radar image for each gate.
The invention also relates to a circuit for processing the radar signal in real time for performing the aforementioned process.

REFERENCES:
patent: 3900721 (1975-08-01), Speiser et al.
patent: 4045795 (1977-08-01), Fletcher et al.
patent: 4132989 (1979-01-01), Arens
patent: 4282579 (1981-08-01), Speiser et al.
Bonfield et al., "Synthetic-Aperture-Radar Real-Time Processing", IEE Proc., vol. 127, Pt. F, No. 2, Apr. 1980, pp. 155-162.

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