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서지반출
Adaptive Precompensation of Wiener Systems
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취소
  • Adaptive Precompensation of Wiener Systems
  • Adaptive Precompensation of Wiener Systems
저자명
Kang. Hyun-Woo,Bae. Ki-Taek,Cho. Yong-Soo,Youn. Dae-Hee
간행물명
The journal of the Acoustical Society of Korea
권/호정보
1996년|15권 |pp.50-59 (10 pages)
발행정보
한국음향학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

In this paper, an adaptive precompensator, which can reduce the distortion of a Wiener system effectively, is proposed. The previous techniques for adaptive precompensation, based on the Volterra series modeling to compensate the distortion of a nonlinear system, are not suitable for real-time implementation due to high computational burden and slow convergence burden and slow convergence rate. This paper presents an adaptive precompensation technique for the class of nonlinear subsystem, referred to as Wiener system. An adaptive algorithm for adjusting the parameters of a precompensator, structured by a hammerstein model, is derived using the stochastic gradient method. Also, an adaptive precompensatin technique which can effectively reduce nonlinear distortion in μ-law type of saturation characteristics is proposed. The validity of the proposed algorithm is confirmed through simulation by applying it to known Wiener systmes and a typical loudspeaker model.