Frequency-coded monopulse MTI

Details Frequency-coded monopulse MTI Frequency-coded monopulse MTI

1976-07-23

1994-09-13

Buczinski, Stephen C.

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

Clutter elimination

Mti

342116, 342201, 342202, G01S 1352, G01S 1358

Patent

active

053472810

ABSTRACT:
A pulse-compression, MTI, doppler-radar system for determining target velty information from a single, frequency-coded uncompressed target-return pulse includes a coded modulator, two pulse compressors, and a phase-comparison processor. The coded modulator generates for transmission an uncompressed pulse with the first and second halves of the pulse coded with the even and odd harmonic sidebands of a pulse repetition frequency, respectively. The first and second halves of the pulse returning from the target are pulse compressed simultaneously by the two pulse compressors. The phase comparison processor then determines the phase difference between the compressed pulses to obtain the target velocity information.

REFERENCES:
patent: 3163862 (1964-12-01), Jenny
patent: 3223999 (1965-12-01), Groginsky
patent: 3249940 (1966-05-01), Erickson
patent: 3631490 (1971-12-01), Palmieri
patent: 3701149 (1972-10-01), Patton et al.
patent: 3706993 (1972-12-01), Kuck
patent: 3745571 (1973-07-01), Chwastyk et al.
patent: 3905033 (1975-09-01), Moore et al.

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