Instantaneous frequency measurement method based on adaptive filtration theory
A technology of adaptive filtering and adaptive filter, which is applied in the direction of frequency measuring device, measuring device, measuring electrical variables, etc., to achieve the effect of eliminating noise interference
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[0034] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0035] figure 2 is the input non-stationary multi-frequency component signal S, and its signal expression is
[0036] S ( t ) = sin ( f 1 * 2 πt / f s ) + sin ( f 2 * 2 πt / f ...
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