METHODS AND SYSTEMS FOR IMPROVED MEASUREMENT, ENTITY AND PARAMETER ESTIMATION, AND PATH PROPAGATION EFFECT MEASUREMENT AND MITIGATION IN SOURCE SIGNAL SEPARATION
First Claim
1. A method of processing a signal comprising:
- taking a signal recorded by a plurality of signal recorders;
applying at least one super-resolution technique to the signal to produce an oscillator peak representation of the signal comprising a plurality of frequency components for a plurality of oscillator peaks;
computing at least one Cross Channel Complex Spectral Phase Evolution (XCSPE) attribute for the signal to produce a measure of a spatial evolution of the plurality of oscillator peaks between the signal recorders;
identifying a predicted XCSPE curve (PXC) trace corresponding to the frequency components of the oscillator peaks and at least one XCSPE attribute of the plurality of oscillator peaks; and
utilizing the identified PXC trace to determine a spatial attribute corresponding to an origin of the signal.
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Accused Products
Abstract
A method of processing a signal includes taking a signal recorded by a plurality of signal recorders, applying at least one super-resolution technique to the signal to produce an oscillator peak representation of the signal comprising a plurality of frequency components for a plurality of oscillator peaks, computing at least one Cross Channel Complex Spectral Phase Evolution (XCSPE) attribute for the signal to produce a measure of a spatial evolution of the plurality of oscillator peaks between the signal, identifying a known predicted XCSPE curve (PXC) trace corresponding to the frequency components and at least one XCSPE attribute of the plurality of oscillator peaks and utilizing the identified PXC trace to determine a spatial attribute corresponding to an origin of the signal.
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Citations
21 Claims
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1. A method of processing a signal comprising:
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taking a signal recorded by a plurality of signal recorders; applying at least one super-resolution technique to the signal to produce an oscillator peak representation of the signal comprising a plurality of frequency components for a plurality of oscillator peaks; computing at least one Cross Channel Complex Spectral Phase Evolution (XCSPE) attribute for the signal to produce a measure of a spatial evolution of the plurality of oscillator peaks between the signal recorders; identifying a predicted XCSPE curve (PXC) trace corresponding to the frequency components of the oscillator peaks and at least one XCSPE attribute of the plurality of oscillator peaks; and utilizing the identified PXC trace to determine a spatial attribute corresponding to an origin of the signal. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system comprising:
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a plurality of signal recorders configured to receive a signal; and a non-transient computer readable medium storing instructions that when executed by a processor cause the processor to; apply at least one super-resolution technique to the signal to produce an oscillator peak representation of the signal comprising a plurality of frequency components for a plurality of oscillator peaks; compute at least one Cross Channel Complex Spectral Phase Evolution (XCSPE) attribute for the signal to produce a measure of a spatial evolution of the plurality of oscillator peaks between the signal recorders; identify a predicted XCSPE curve (PXC) trace corresponding to the frequency components of the oscillator peaks and at least one XCSPE attribute of the plurality of oscillator peaks; and utilize the identified PXC trace to determine a spatial attribute corresponding to an origin of the signal. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method of processing a signal comprising:
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taking a signal recorded by a plurality of signal recorders; applying at least one super-resolution technique to the signal to produce an oscillator peak representation of the signal comprising a plurality of frequency components for a plurality of oscillator peaks; computing at least one Cross Channel Complex Spectral Phase Evolution (XCSPE) attribute for the signal to produce a measure of a spatial evolution of the plurality of oscillator peaks between the signal recorders; identifying a known predicted XCSPE curve (PXC) trace corresponding to the frequency components and at least one XCSPE attribute of the plurality of oscillator peaks; measuring deviations away from the PXC trace of a plotted position for each of the plurality of oscillator peaks; and determining a path propagation effect (PPE) based, at least in part, on the deviations and an amount of reverberation in the original signal. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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Specification