Clutter free synthetic aperture radar correlator

Communications: radio wave antennas – Antennas – Balanced doublet - centerfed

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343 5CM, 343100CL, G01S 1389, G01S 1390

Patent

active

043718736

ABSTRACT:
A synthetic aperture radar correlation system including a moving diffuser located at the image plane of a radar processor. The output of the moving diffuser is supplied to a lens whose impulse response is at least as wide as that of the overall processing system. A significant reduction in clutter results.

REFERENCES:
patent: 3344419 (1967-09-01), Lund
patent: 3355579 (1967-11-01), Robertson
patent: 3398269 (1968-08-01), Williams
patent: 3483557 (1969-12-01), Skenderoff et al.
patent: 3526893 (1970-09-01), Skenderoff et al.
patent: 3560973 (1971-02-01), Kazel
patent: 3889226 (1975-06-01), Hildebrand
patent: 3953822 (1976-04-01), Vilkomerson
patent: 4019184 (1977-04-01), Dorey
patent: 4042928 (1977-08-01), Altes
"Speckle Removal by a Slowly Moving Diffuser Associated with a Motionless Diffuser", by S. Lowenthal et al., Journal of Optical Society of America, vol. 61, No. 7, p. 847, (1971).
"A Speckle--Free Rear--Projection Screen Using Two Closed Screens with Slow Relative Motion", J. Optical Society of America, vol. 66, p. 176, (1976).

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