Medium PRF pulse doppler radar having simplified ground moving t

Details Medium PRF pulse doppler radar having simplified ground moving t Medium PRF pulse doppler radar having simplified ground moving t

1981-01-07

1983-03-22

Hubler, Malcolm F.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 5CF, 343 5SM, 343 5DP, 343 5FT, 343 171PF, G01S 1304

Patent

active

043778119

ABSTRACT:
In a single channel medium PRF pulse doppler radar receiver, the return signal data is processed to prevent sidelobe return signals from being displayed and rejects ground moving targets up to approximately 80 knots while having no high velocity blind speeds. After the returns are filtered by a doppler filter notch for rejecting returns having a velocity substantially less than the 80 knot example, the return data undergoes three stages of correlations to reject sidelobe returns, and undergoes processing including a fourth correlation which enables the third stage of correlation to output a signal only for unambiguous ranges that contain target data in excess of the 80 knot range.

REFERENCES:
patent: 3860924 (1975-01-01), Evans
patent: 4058809 (1977-11-01), Chudleigh, Jr.
patent: 4093948 (1978-06-01), Long
patent: 4095222 (1978-06-01), Mooney, Jr.
patent: 4293856 (1981-10-01), Chressanthis et al.

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