Method for monitoring the earth surface
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United States of America Patent
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-
Mar 20, 2001
Grant Date -
N/A
app pub date -
Dec 9, 1998
filing date -
Apr 9, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a method for monitoring the earth's surface with a moving aircraft using a radar sensor with a synthetic aperture. In order to produce high resolution radar images, the flight parameters of the aircraft are also required. According to the inventive method, key parameters, such as speed and acceleration, are detected in the sight line of the radar sensor from the radio signals received. One of the advantages of the invention is that an inertial navigation system (INS) is no longer required for this purpose.
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