| 基于相位差的方位估计(英文) |
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| 摘 要： |
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Phase difference method for DOA estimation |
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| Authors: | Zhi-fei Chen Jin-cai Sun Hong Hou |
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| Institution: | 1.College of Marine,Northwestern Polytechnical University,Xi’an,China |
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| Abstract: | The phase difference method (PDM) is presented for the direction of arrival (DOA) estimation of the narrowband source. It
estimates the DOA by measuring the reciprocal of the phase range of the sensor output spectra at the interest frequency bin.
The peak width and variance of the PDM are presented. The PDM can distinguish closely spaced sources with different and unknown
center frequencies as long as they are separated with at least one frequency bin. The simulation results show that the PDM
has a better resolution than that of the conventional beamforming. |
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