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STEERING VECTOR ESTIMATION FOR MINIMUM VARIANCE DISTORTIONLESS RESPONSE (MVDR) BEAMFORMING CIRCUITS, SYSTEMS, AND METHODS
STEERING VECTOR ESTIMATION FOR MINIMUM VARIANCE DISTORTIONLESS RESPONSE (MVDR) BEAMFORMING CIRCUITS, SYSTEMS, AND METHODS
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机译:最小方差失真无响应(MVDR)波束形成电路,系统和方法的转向矢量估计
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摘要
A method of estimating a steering vector of a sensor array of M sensors according to one embodiment of the present disclosure includes estimating a steering vector of a noise source located at an angle 0 degrees from a look direction of the array using a least squares estimate of the gains of the sensors in the array, defining a steering vector of a desired sound source in the look direction of the array, and estimating the steering vector by performing element-by-element multiplication of the estimated noise vector and the complex conjugate of steering vector of the desired sound source. The sensors may be microphones.
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