Adaptive method and a radar receiver for suppression of disturbi

Details Adaptive method and a radar receiver for suppression of disturbi Adaptive method and a radar receiver for suppression of disturbi

1978-11-24

1980-11-18

Hubler, Malcolm F.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 1302

Patent

active

042348803

ABSTRACT:
Disturbing components of the Doppler frequency spectrum in a radar receiver, having coherent integration, are suppressed. In this technique, the order of interference suppression and coherent integration is changed such that the echo values are first fed to a circuit to effect a Fourier transformation. Then, the disturbing components in the frequency band are deliberately suppressed, and a sub-optimal detection method suitable for real-time operation is derived from the optimum detection model in that sub-matrices symmetrical with the principle diagonal are formed from the power spectrum matrix, through which approximate decorrelation of the disturbing components is achieved.

REFERENCES:
patent: 3783258 (1974-01-01), Chwastyk
patent: 3987285 (1976-10-01), Perry
patent: 4003054 (1977-01-01), Goldstone
patent: 4053885 (1977-10-01), Yomita et al.
patent: 4069468 (1978-01-01), Bartram
"Adaptive Digital MTI Signal Processing" by V. G. Hansen et al., _Eascon 73 Record (1973) IEEE, pp. 170-176.

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