Clutter suppression method of non-positive side-looking bistatic MIMO radar
A non-side-looking, clutter suppression technology, applied in the radar field, can solve the problems of inability to realize real-time processing, large amount of calculation in full-dimensional processing, and large number of independent and identically distributed clutter samples.
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[0063] refer to figure 1 , illustrating a clutter suppression method for a non-front-looking bistatic MIMO radar of the present invention.
[0064] Step 1, the bistatic MIMO radar receives the echo data y of the mth range unit in the non-side-looking situation NSL,m , the mth distance cell is divided into N c clutter point.
[0065] In the geometric configuration model of bistatic MIMO radar, is the angle between the flight direction of the transmitter and the axis of the transmitting array element, is the angle between the flight direction of the receiver and the axis of the receiving array element. when and is the side-looking situation of the bistatic MIMO radar, when and When at least one of is not equal to 0, it is the non-side-looking situation of the bistatic MIMO radar. Clutter points are also called clutter scatter points.
[0066] Step 2. Construct the normalized emission spatial frequency f of the i-th clutter point in the m-th range cell t,i , the ...
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