Segmented chirp waveform implemented radar system

Details Segmented chirp waveform implemented radar system Segmented chirp waveform implemented radar system

1979-12-28

1982-01-05

Buczinski, S. C.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

375 23, G01S 728

Patent

active

043097030

ABSTRACT:
In a radar system utilizing same, a segmented chirp waveform is built up by frequency hopping trains of simple chirp pulses. Each chirp pulse in a train is identical and is transmitted on one of a set of discrete carrier frequencies. The carrier frequencies are uniformly spaced in a predetermined bandwidth and are used in linear sequence. After transmitting on the last carrier frequency, the entire pattern is repeated, starting again at the first carrier frequency. The returns from the individual pulses are digitized and stored and the history thereof is then assembled by a digital signal processor into a high resolution image.

REFERENCES:
patent: 3299427 (1967-01-01), Kondo
patent: 3344426 (1967-09-01), Long
patent: 3487406 (1969-12-01), Howard
patent: 3898660 (1975-08-01), Munster
patent: 4037159 (1977-07-01), Martin
patent: 4101891 (1978-07-01), Fletcher et al.
patent: 4123719 (1978-10-01), Hopwood et al.
patent: 4142189 (1979-02-01), Gleason
patent: 4161732 (1979-07-01), Longuemare, Jr.

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