Raster display system

Details Raster display system Raster display system

1985-10-07

1989-05-09

Tubbesing, T. H.

Communications: directive radio wave systems and devices (e.g.,

With particular circuit

Display

342176, G01S 744

Patent

active

048293083

ABSTRACT:
An echo receiving system is provided for periodically scanning a region for echo returns obtained in polar coordinates and for providing a visual display of such received echo returns in a rectangular raster format, such system comprising: a scan converter, responsive to the echo returns obtained in polar coordinates for converting such returns into rectangular coordinates; and, means for modifying such coordinate converted returns and for displaying such modified, coordinate converted returns in the rectangular raster format with displayed data being a function of the scan-to-scan change in echo returns from objects in the second region. With such arrangment, target build-up and target decay may be presented in the digitally generated raster display in a manner similar to that presented in an analog PPI display.

REFERENCES:
patent: 4165506 (1979-08-01), Brands et al.
patent: 4179681 (1979-12-01), Zehner et al.
patent: 4383258 (1983-05-01), Morin
patent: 4387365 (1983-06-01), Berry et al.
patent: 4397008 (1984-02-01), Ziese
patent: 4412220 (1983-10-01), Aanstoot et al.
patent: 4434422 (1984-02-01), Kenol et al.
patent: 4443797 (1984-04-01), Cramp et al.
patent: 4547803 (1985-10-01), Richards

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