Novel ANC Simulation Based on VSSLMS Method for Reducing the Microphonics Effects in Cavities
2021 28th International Conference on Mixed Design of Integrated Circuits and System(2021)
摘要
Active noise control (ANC) and Narrowband ANC methods with a variable step size least mean square (VSSLMS) algorithm are simulated to reduce the microphonics effects in the cavities. Adaptive filter (the LMS algorithm in the ANC method and the Filtered-x-LMS (FxLMS) algorithm in the NANC method) identifies and estimates the system coefficients based on the changes in the detuning signal. Based on the simulation results, the proposed method has a higher tracking ability and faster convergence rate than the other methods and also low computational complexity.
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关键词
VSSLMS,NANC,Microphonics,CW Mode,PID
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