Method of operating synthetic aperture radar

Details Method of operating synthetic aperture radar Method of operating synthetic aperture radar

1977-01-03

1978-04-11

Buczinski, S. C.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 5DP, 343 171PF, G01S 902

Patent

active

040841588

ABSTRACT:
A method, and apparatus for performing the method, of compensating for the effects of Doppler accelerations due to the orientation of the beam in a squinted synthetic aperture radar used for mapping terrain underlying an aircraft are described. According to the disclosed method, compensation is achieved by calculating the Doppler frequency shifts to be experienced by echo signals from points on the terrain to be mapped and then, in accordance with such calculations, varying the pulse repetition frequency of the squinted synthetic aperture radar to eliminate the effects of Doppler acceleration from the echo signals.

REFERENCES:
patent: 3341847 (1967-09-01), Fried et al.
patent: 3737900 (1973-06-01), Vehrs, Jr.
patent: 3768096 (1973-10-01), Dentino
patent: 3787848 (1974-01-01), Laundry et al.
patent: 3987285 (1976-10-01), Perry
patent: 4034370 (1977-07-01), Mims

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