High-order cumulant-based method for multi-path propagation and separation of acoustic signals
A technology of high-order cumulant and separation method, applied in the field of multi-path propagation acoustic signal separation based on high-order cumulant
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[0035] The technical scheme of the present invention is described in detail below in conjunction with accompanying drawing:
[0036] In the point-to-array structure, according to the propagation of the sound ray path in the medium, using parameters such as the direction of arrival, a mathematical model that can reasonably describe the physical process of the multi-path propagation of the sound signal is established. Assuming that the number of signal sources is P and the number of sensors is M, the signal received by the mth sensor can be expressed as:
[0037] x m ( t ) = Σ p = 1 P a p e ( t - τ m , p )...
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