Electronic automatic plotter

Details Electronic automatic plotter Electronic automatic plotter

1978-08-16

1980-06-17

Hubler, Malcolm F.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 902

Patent

active

042086574

ABSTRACT:
A system for electronically producing and displaying target position history trails in a PPI radar. Digital target positions within a selected sector zone from all targets meeting predetermined amplitude and duration criteria are stored in a memory for single azimuth scans at predetermined intervals. The data from the scans are interleaved and read out of the memory for display with the real time PPI targets. When the memory is filled, the oldest plots from each target are dropped to make room for new plots.

REFERENCES:
patent: 3151322 (1964-09-01), Hildebrandt
patent: 3403396 (1968-09-01), Van Popta et al.
patent: 3571479 (1971-03-01), Horattas
patent: 4068233 (1978-01-01), Pease et al.

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