Simulation method for object detection of pulse system radar in microwave anechoic chamber
A technology of radar targets and microwave anechoic chambers, which is applied in radio wave measurement systems, measurement devices, radio wave reflection/reradiation, etc., and can solve problems such as difficult to achieve effective echo reception
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[0071] The present invention will be further described below in conjunction with the accompanying drawings. A pulse system radar target detection simulation method in a microwave anechoic chamber of the present invention, such as figure 2 As shown, the steps are as follows:
[0072] The first step is to use the intermittent sending and receiving method to obtain target echo signals.
[0073] In the mode of intermittent transmission and reception, the alternate work process of transmission and reception can be abstracted as a square wave signal p(t) to control the radar pulse signal, p(t) can be expressed as
[0074]
[0075] Where τ is the working period of the transmitting channel, T s is the intermittent sending and receiving cycle, δ(·) is the unit shock function, and n represents the nth shock pulse function.
[0076] Using the property of Fourier transform, the frequency domain form of p(t) is
[0077]
[0078] Among them, f s =1 / T s , sinc(x)=sin(πx) / (πx). ...
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