Fast sparse recovery-based super-resolution direction-of-arrival estimation method
A direction of arrival estimation and sparse recovery technology, applied in the field of signal processing, can solve problems such as slow operation speed, poor estimation performance, and difficulty in meeting hardware real-time requirements, and achieve the effect of high spatial resolution
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[0056] The present invention will be further described below with reference to the accompanying drawings.
[0057] refer to figure 1 , the specific implementation steps of the present invention are as follows:
[0058] Step 1. Receive data.
[0059] Collect the echo data of each element of the phased array, and store the echo data in the system memory;
[0060] Step 2. Array element denoising.
[0061] Array element denoising is performed on the received data as follows to obtain the data observation vector:
[0062] y = 1 M X x 1 H
[0063] Among them, y represents the data observation vector, M represents the number of sampling snapshots, X represents the received data of the second to Nth elements of the phased array, X represents the (N-1)×M-dimensional matrix, and N represents the phased array. the number of elements, x 1 Indicates the received ...
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