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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:信号多路分解装置,信号多路分解方法以及存储信号多路分解程序的非暂时性计算机可读介质
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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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