Airborne thinned array antenna downward-looking three-dimensional imaging radar system and imaging method
A sparse array and three-dimensional imaging technology, which is applied in the radio wave measurement system, radio wave reflection/re-radiation, and re-radiation, can solve the problems of limited observation width, narrow sub-array beam, and increased number of sub-arrays. Achieve high-precision motion compensation, realize motion compensation, and improve the effect of imaging quality
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[0041] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.
[0042] For such as figure 1 The airborne downward-looking three-dimensional imaging radar system shown in the present invention is designed from the perspective of analyzing the array layout form of its orbiting direction, so as to realize high-resolution wide-range imaging of the observation scene.
[0043] Specifically, the airborne sparse array down-view three-dimensional imaging radar system of the present invention includes an airborne platform, a sparse array antenna system, and a distributed POS (Position and Orientation System).
[0044] The carrier platform is an aircraft for carrying the sparse array antenna system and distributed POS. The aircraft can be equipped with array antennas in the middle and both sides, a...
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