Signal processing apparatus, signal processing method, and signal processing program
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United States of America Patent
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Aug 18, 2020
Grant Date -
Oct 26, 2017
app pub date -
Nov 6, 2015
filing date -
Nov 10, 2014
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Abstract
A wideband signal is enhanced or suppressed to the same extent at each frequency without increasing the size of an overall sensor array. To achieve this, there is provided a signal processing apparatus including a direction estimator that obtains a direction of arrival of a signal for signals received from a plurality of sensors and each containing a target signal and noise, a first gain calculator that calculates a first gain using the direction of arrival of the signal, an integrator that obtains an integrated signal by integrating the signals received from the plurality of sensors, and a multiplier that multiplies the first gain by the integrated signal.
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