Arrangement in a radar system for correction of phase and amplit

Details Arrangement in a radar system for correction of phase and amplit Arrangement in a radar system for correction of phase and amplit

1981-08-31

1984-11-20

Wilbur, Maynard R.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 5NQ, G01S 740

Patent

active

044841949

ABSTRACT:
An arrangement is provided for correcting the phase and amplitude errors occurring in the quadrature detector of a Doppler radar system. A correction unit (KE) is connected to both analogue-digital converters (AD1, AD2) in the I and Q channels to receive a radar signal which has been received by the system antenna and phase-detected in the quadrature detector (FD1, FD2, FS). The output of the correction unit (KE) is connected to a regulating network (RN) for sensing the output signals from the correction unit (KE) and controlling the latter so that the amplitude and phase errors (a' and .theta.') will be zero.

REFERENCES:
patent: 3794998 (1974-02-01), Pearson, Jr. et al.
patent: 3883870 (1975-05-01), Kunz
patent: 3950750 (1976-04-01), Churchill et al.
patent: 4003054 (1977-01-01), Goldstone
patent: 4079329 (1978-03-01), England et al.
patent: 4083015 (1978-04-01), Popodi
patent: 4093949 (1978-06-01), Evans
patent: 4122448 (1978-10-01), Martin
patent: 4132990 (1979-01-01), Di Domizio

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