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REFERENCE SIGNAL GENERATING DEVICE, AND ACTIVE NOISE CONTROLLER AND ACTIVE NOISE CONTROL SYSTEM EQUIPPED WITH THE REFERENCE SIGNAL GENERATING DEVICE
REFERENCE SIGNAL GENERATING DEVICE, AND ACTIVE NOISE CONTROLLER AND ACTIVE NOISE CONTROL SYSTEM EQUIPPED WITH THE REFERENCE SIGNAL GENERATING DEVICE
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机译:参考信号产生装置,以及配备有参考信号产生装置的有源噪声控制器和有源噪声控制系统
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摘要
PROBLEM TO BE SOLVED: To provide a reference signal-generating device capable of generating a reference signal of a reference microphone to control active noise efficiently and effectively; and to provide an active noise controller and an active noise control system having the reference signal-generating device.;SOLUTION: The reference signal-generating device for generating reference signals x1(t), x2(t) being input signals of an active noise control system outputted from the reference microphones R1, R2 for detecting noise includes a signal generating means connected with output side of a plurality of reference microphones R1, R2 and generating a reference signal of the other reference microphones to reduce a signal component correlated to the reference signal of the reference microphone 1 so that only active noise control for inputting the reference signal of the reference microphone being the closest to a noise source is performed based on the law of causality.;COPYRIGHT: (C)2011,JPO&INPIT
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