Grating lobe ambiguity resolution method applied to sparse array broadband phased array
A broadband phased array and sparse technology, applied in the field of grating lobe defuzzification, achieves the effect of simple method, low interception and simple system
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[0015] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0016] The steps of a grating lobe defuzzification method applied to a wideband phased array with sparse arrays are as follows:
[0017] Step 1: Sparsely arrange the wideband phased array within the working bandwidth range, divide the frequency of the working bandwidth into N parts, and the frequencies are F1 to FN in turn, where the relative bandwidth = (the highest frequency of the working bandwidth - the lowest frequency of the working bandwidth) / (The highest frequency of working bandwidth + the lowest frequency of working bandwidth), and the relative bandwidth > 5%, the interval of N frequency is B, and B is greater than one-tenth of the working bandwidth, that is, N = (the highest frequency of working bandwidth - the lowest frequency of working bandwidth) / B, the sparse array broadband phased array transmits the transmit signal with the frequency...
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