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The meteor trail interference worsens the performance of the sky wave OTHR. The interference greatly reduce target detection capability. An approach based on Gabor coefficient and binary hypothesis to restrain the meteor trail interference is developed in this paper. The approach is used to process the real measurement data of a Chinese sky wave radar and show effectiveness.
In this paper, we adopt the α-μ distribution to approximate the statistic distribution of the sum of independent and possibly non-identically distributed lognormal variables, and obtain the shape and scale parameters using both the moment matching method and Non-linear Least Square Method. Finally, we evaluate the performance via numerical simulations, the results illustrate that the α-μ approximation...
The effects of velocity change, refraction and absorption all must be considered for through-the-wall radar, which can displace the target and defocus in imaging. Based on signal propagation model in presence of the wall and the system concept, the relationship is obtained among the transmit signal, target position and the wall transfer function. In this paper, we will present a method to estimate...
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