부가경로 전달함수의 온라인 예측에 의한 능동소음제어의 성능 향상

DOI QR코드

DOI QR Code

김흥섭;손동구;오재응
Kim, Heung-Seob;Sohn, Dong-Gu;Oh, Jae-Eung

  • 발행 : 1997.01.01

초록

In the conventional inverse modeling method for on-line modeling of the secondary path transfer function, the signal to noise ratio between the arbitrary random signal and the plant noise have to keep at -10 - -20 dB. For these reasons, the modeling can't be exactly implemented by the conventional method alone and the convergence time for modeling becomes too long. In this study, by combining the conventional inverse modeling method with an adaptive line enhancer, or with an adaptive noise canceller, a rigorous transfer functions of secondary path modeling and the control of a primary noise have been implemented simultaneously.

키워드

신호 대 잡음비;부가경로 전달함수;적응선형 증진기;적응잡음 제거기;인버스 모델링;의사 랜덤신호