Three-dimensional radar apparatus and method for displaying three-dimensional radar image
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United States of America Patent
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Apr 3, 2001
Grant Date -
N/A
app pub date -
Jul 26, 1999
filing date -
Aug 4, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is a three-dimensional radar apparatus comprising a radar transmitting/receiving unit, a three-dimensional polygon-generating unit, and a three-dimensional graphics unit, wherein a radar transmitter/receiver outputs signals concerning orientation information, distance information, and reception intensity information on the basis of a radio wave reflected from a target, and a scan converter is used to convert the signals concerning the orientation information, the distance information, and the reception intensity information into two-dimensional radar image data composed of two-dimensional rectangular coordinates and brightness information of each of picture elements. The two-dimensional radar image data is also inputted into the three-dimensional polygon-generating unit to perform polygon-generating processing on the basis of the two-dimensional rectangular coordinates and the brightness information of each of the picture elements. Three-dimensional radar image data is prepared in the three-dimensional graphics unit on the basis of obtained polygon-based information, and it is accumulated in a frame memory. Thus, a three-dimensional radar image is displayed on a display device.
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