Target detection method and apparatus for reducing range-smearin

Details Target detection method and apparatus for reducing range-smearin Target detection method and apparatus for reducing range-smearin

1975-06-16

1977-03-22

Wilbur, Maynard R.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 5DP, 343 7A, 343 8, G01S 906

Patent

active

040140229

ABSTRACT:
Pulse returns received as discrete range samples are averaged, summed with ach new range sample and stored individually in cells of a shiftable register. Undesirable range smearing due to relative movement of the target is avoided by aligning each new range sample with the closest of the previously-stored sums. A control signal is generated to represent the estimated relative movement of the target for a particular interpulse period. Alignment is achieved by then shifting the register responsively to the control signal so that the closest stored range sample is summed or integrated with the new, incoming range sample.

REFERENCES:
patent: 3550125 (1970-12-01), Fierston et al.
patent: 3789396 (1974-01-01), Taylor, Jr.
patent: 3881101 (1975-04-01), Pederson et al.
patent: 3891987 (1975-06-01), Jensen
patent: 3900850 (1975-08-01), Ulman et al.
patent: 3905032 (1975-09-01), Truel et al.

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