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The paper examines the performance of correlative interferometer direction finder using cosine function. The explicit expressions describing the bias and variance of the method are developed. The analytical results are shown to be excellent predictors of empirical results obtained from computer simulations.
DOA identification is the most pivotal section in frequency channelized direction finding system. It can be regarded as a special application of data clustering for correctly identifying the incident directions of received communication emitters. In this paper, a clustering algorithm is developed for DOA identification, which only employs the estimated elevation and azimuth angles at all the signal-occupied...
We consider herein the problem of active direction finding in imaging the massively scalable sensor networks in which the active sensor nodes reflect electronically the beacon transmitted by a collector node. Very large number of randomly deployed sensor nodes with limited computational capability have no knowledge of their locations, while the location estimation is accomplished by the collector...
We consider a statistical multiple-input multiple-output (MIMO) radar system in which the transmit antennas are sparsely spaced to achieve spatial diversity while the receive antennas are closely spaced for direction finding. We consider the scenario where the transmitted signals are unknown. A two-step procedure is introduced to accomplish the localization of multiple targets and the estimation of...
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