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基于rls算法的多麥克風(fēng)降噪_課程設(shè)計(jì)任務(wù)書-文庫(kù)吧在線文庫(kù)

  

【正文】 ( ) ( )y n N n?? 圖 31 自適應(yīng)干擾抵消原理圖 自適應(yīng)處理器 i《信息處理課群綜合訓(xùn)練與設(shè)計(jì)》 8 RLS 算法基本原理 RLS 算法是 FIR 維納濾波器的一種遞歸算法,它是嚴(yán)格以最小二乘方準(zhǔn)則為依據(jù)的算法。 關(guān)鍵詞: MATLAB, 自適應(yīng)濾波 , RLS 算法,麥克風(fēng)降噪 《信息處理課群綜合訓(xùn)練與設(shè)計(jì)》 4 Abstract MATLAB namely Matrix Laboratory, is a visual calculation procedure is widely used in the field of scientific puting, including numerical putation, data fitting, graphics, image processing, system simulation. Has proven the value of puting power, it also provides a professional level of symbolic putation, word processing, visual modeling and simulation and realtime control functions. The adaptive filter is an important part of statistical signal processing. In practical applications, does not have sufficient information to design a fixedcoefficient digital filter design rules in the normal operation of the filter change, so we need to study the adaptive filter. Those who need to deal with the signals generated by the result of the operation environment of unknown statistics or need to deal with nonstationary signals, the adaptive filter can provide an attractive solution, and its performance is usually far superior to the fixed filter design using the regular method . In addition, the adaptive filter can also provide nonadaptive methods can not provide a new signal processing capabilities. This course design is to use the powerful puting power of MATLAB software, the use of the RLS adaptive filtering algorithm microphone noise reduction. Aims to develop the way we use puters to handle large data, familiarity with MATLAB count information. Keywords: MATLAB, adaptive filter, RLS algorithm, microphone noise reduction 《信息處理課群綜合訓(xùn)練與設(shè)計(jì)》 5 1 設(shè)計(jì)任務(wù) 給定主麥克風(fēng)錄制的受噪聲污染的語(yǔ)音信號(hào)和參考麥克風(fēng)錄制的噪聲,實(shí)現(xiàn)語(yǔ)音增強(qiáng)的目標(biāo),得到清晰的語(yǔ)音信號(hào)。 時(shí)間安排 : 6月 20 日到 6 月 27 日 理論設(shè)計(jì)與仿真 6月 28 日到 7 月 1 日 撰寫報(bào)告 7月 3 日 答辯 指導(dǎo)教師簽名: 年 月 日 系主任(或責(zé)任教師)簽名 : 年 月 日 目 錄 《信息處理課群綜合訓(xùn)練與設(shè)計(jì)》 2 課程設(shè)計(jì)任務(wù)書 ............................................................................................................... 1 摘要 ................................................................................................................................. 3 Abstract ............................................................................................................................ 4 1 設(shè)計(jì)任務(wù) ....................................................................................................................... 5 2 設(shè)計(jì)要求 ....................................................................................................................... 6 3 基本原理 ....................................................................................................................... 7 自適應(yīng)干擾抵消原理 ...................................................
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