Wave arrival direction estimation method under array error
A technology of direction of arrival estimation and array error, which is applied in radio wave direction/bias determination systems, direction finders using electromagnetic waves, direction finders using radio waves, etc., and can solve the performance degradation and failure of super-resolution direction finding algorithms. And other issues
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[0041] Below in conjunction with accompanying drawing, the present invention is further described:
[0042] Depend on Figure 1-Figure 3 Described is the comparison between the actual value of the error matrix and the estimated value of the DOA estimation algorithm under the array error proposed by the present invention. It can be seen that the estimated value of the error matrix is very close to the actual value, which illustrates the accuracy of the algorithm proposed by the present invention. Figure 4-Figure 6 Described is the performance comparison between the DOA estimation algorithm under the array error proposed by the present invention and other algorithms. It can be seen from the figure that with the increase of the signal-to-noise ratio (SNR), the estimation error of each algorithm increases, but the estimation error of the algorithm proposed by the present invention is obviously smaller than that of the other two algorithms, which shows that the algorithm propose...
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