Methods of blind source separation filter resource management
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United States of America Patent
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Jan 9, 2018
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app pub date -
Oct 18, 2016
filing date -
Oct 18, 2016
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Abstract
Systems and methods that solve the problem of scheduling the fixed filter resources of a blind source separation subsystem by choosing in real time the center frequency and bandwidth of each filter in such a way as to allow new and existing signals to be separated out in consistent channels, with as few missed signals as possible given the filter resources available. The proposed method comprises an algorithm that uses a periodic time/frequency covering map to set the center frequency and bandwidth of each filter over all time by acquiring energy measurements from the filtering subsystem using existing filter settings and continuously adaptively updating those settings while maintaining optimal coverage in time and frequency.
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