Method for eliminating dummy objects short-range pulse radar sensors
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United States of America Patent
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-
Sep 6, 2005
Grant Date -
Dec 2, 2004
app pub date -
Apr 2, 2003
filing date -
Jun 14, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In order to create a method for eliminating dummy objects in short-range pulse radar sensors, in which radar pulses are transmitted at a defined frequency, and the time until they are reflected by an object and received again is measured, and besides the transmitted pulse (TX pulse), a delayed second pulse (RX pulse) is generated, which avoids the known disadvantages of the prior art and with which the elimination of dummy objects in short-range pulse radar sensors can be assured, it is provided that the transmitted pulses (TX pulses) and the additionally generated second pulses (RX pulses) delayed relative to them are modulated by a binary phase-shift keying process.
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