Rank cell array structure for sorting by each cell comparing the

Details Rank cell array structure for sorting by each cell comparing the Rank cell array structure for sorting by each cell comparing the

1989-08-16

1993-01-12

Lee, Thomas C.

Boots, shoes, and leggings

3642231, 3642592, 3649225, 3649234, 3649510, 364DIG1, 3401462, 371 671, 342 93, G06F 708, G06F 702

Patent

active

051797127

ABSTRACT:
A rank cell array for ranking a series of sample values including a number of identical rank cells (RC1, RC2. . . ) permitting ready modification of the sorting window size in an OS CFAR radar application, for example. Each rank cell (RC1, RC2. . . ) includes a multiplexer (49), a D flip-flop (41), first and second comparators (43, 45), and a multiplexer controller (49). Each clock interval, the foregoing circuitry examines the sample value entering the sorting window, the sample value leaving the sorting window, the sample value in the preceding rank cell, and the sample value in the succeeding rank cell to determine the sample value in the rank cell during the next clock interval.

REFERENCES:
patent: 4110837 (1978-08-01), Chen
patent: 4514826 (1985-04-01), Iwata et al.
patent: 4567572 (1986-01-01), Morris et al.
patent: 4649394 (1987-03-01), Minker et al.

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