Abstract
A passive synthetic array (PSA) using a single moving sensor is formed to estimate direction of arrival (DOA). And co-prime array is used to form a virtual L-array. The impact of the passive synthetic aperture on the DOA estimation under different conditions is simulated and analyzed. Numerical simulations show that the initial time error has no obvious effect on the DOA estimation in the condition of Tr≤Tc. Nevertheless, the DOA estimation becomes more inaccurate with the initial time error increasing, in the condition of Tr≤Tc.
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