Through-wall radar wall parameter estimation method
A technology of through-wall radar and parameter estimation, which is applied to the reflection/re-radiation of radio waves, the use of re-radiation, measurement devices, etc. Effects of Resolution and Accuracy
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[0041] Example
[0042] Such as figure 1 As shown, a through-wall radar wall parameter estimation method is implemented through the following steps:
[0043] Step 1: The distance between the transmitting antenna and the receiving antenna of the through-wall radar to the front surface of the wall is r, the transmitting antenna is kept still, and the receiving antenna is moved M times in a fixed step along the horizontal survey line direction to obtain a total of M observation positions , Record the measurement data of N uniform frequency points at each observation position, and express the measurement data of the mth (m=0,1,...,M-1) observation position as an N×1 dimensional vector T m =[T m (f 0 ),T m (f 1 ),...,T m (f N-1 )] T , F n = F 0 +nΔf is the frequency of the nth (n=0,1,...,N-1) frequency point, f 0 Is the starting frequency of the penetrating radar system, Δf is the frequency step interval;
[0044] Step 2: Place the transmitting and receiving antennas in the free space, c...
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