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SIGNAL DEMULTIPLEXING DEVICE, SIGNAL DEMULTIPLEXING METHOD AND NON-TRANSITORY COMPUTER READABLE MEDIUM STORING A SIGNAL DEMULTIPLEXING PROGRAM
SIGNAL DEMULTIPLEXING DEVICE, SIGNAL DEMULTIPLEXING METHOD AND NON-TRANSITORY COMPUTER READABLE MEDIUM STORING A SIGNAL DEMULTIPLEXING PROGRAM
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机译:信号解复用装置,信号解复用方法以及存储信号解复用程序的非暂态计算机可读介质
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摘要
Provided is a signal demultiplexing system that can minimize losses in demultiplexing performance even if signals unsuited to demultiplexing are inputted. The provided signal demultiplexing device contains: an input signal analysis means for determining whether or not a plurality of input signals are suited to demultiplexing; a data memory means for storing data from frequency-domain input signals which result from transformation of the aforementioned input signals into frequency-domain signals; a selection control means for storing the frequency-domain input signals in the data memory means if the input signal analysis means has determined that the input signals are suited to the generation of a demultiplexing matrix for demultiplexing; and a demultiplexing matrix generation means for generating a demultiplexing matrix using frequency-domain input signals including the most recent and older frequency-domain input signals stored in the data memory means.
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