echo canceller造句
例句與造句
- Techniques for choosing digital echo canceller
數(shù)字回音抵消器的選擇方法 - Decorrelation technique in adaptive acoustic echo canceller system
立體聲回波對消中的去相關(guān)方法研究 - The design and implementation of multi echo canceller in satellite communication system
衛(wèi)星通信系統(tǒng)群路回音消除器方案設(shè)計(jì)與實(shí)現(xiàn) - Echo canceller ec
回聲消除器 - The testing results show that the performance of the echo canceller exceeds the requirements specified by itu recommendation g . 165
測試結(jié)果表明，回波抵消器的性能超出或達(dá)到了g . 165建議標(biāo)準(zhǔn)的要求。 - It's difficult to find echo canceller in a sentence. 用echo canceller造句挺難的
- The echo canceller includes an adaptive finite impulse response filter that generates an adaptive filter weight vector
此?音消除系統(tǒng)由一適應(yīng)性有限脈沖響應(yīng)濾波器所組成，它能產(chǎn)生一組適應(yīng)性濾波器權(quán)值向量。 - In this paper , an echo canceller based on nlms algorithm and geigle algorithm is implemented on tms320c5402 digital signal processor ( dsp )
本文采用tms320c5402dsp實(shí)現(xiàn)了基于nlms算法和geigle算法的回波抵消器。 - In chapter , the echo cancellation technique in ip gateway is studied . after that , we discuss the implement of echo canceller based on dsp
最后研究ip電話網(wǎng)關(guān)上的回聲消除技術(shù)，給出基于dsp的回聲消除器的軟硬件實(shí)現(xiàn)。 - And the main focus is the design , implementation and testing of an adaptive line echo canceller and a vocoder based on multi - band excitation ( mbe ) model
主要工作是設(shè)計(jì)并實(shí)現(xiàn)電話線路自適應(yīng)回波抵消器和基于多帶激勵模型的語音編解碼器。 - In chapter 2 , many kinds of adaptive filter algorithms are discussed . this section analyzes the least mean squares ( lms ) , normalized lms ( nlms ) and recursive least squares ( rls ) algorithms , and evaluates their performance as acoustic echo canceller
分析了最小均方誤差( lms )算法、歸一化的最小均方誤差( nlms )算法和遞歸的最小二乘( rls )算法，并且結(jié)合聲回波抵消算法評估了它們的性能。 - Acoustic echo cancellation is normally achieved by means of an acoustic echo canceller , which , in its simplest form , consists of an adaptive filter which estimates the echo signal and subtracts this estimate from the microphone signal
聲回波抵消通常采用聲回波抵消器來實(shí)現(xiàn)，最簡單的聲回波抵消器由自適應(yīng)濾波器組成。我們可以借助于它宋估計(jì)回波信號，并從麥克風(fēng)信號中減掉該估計(jì)值來實(shí)現(xiàn)聲回波的抵消。 - Tele - conference , video - conference . acoustic echo cancellation is normally achieved by means of an acoustic echo canceller , which , in its simplest form , consists of an adaptive filter which mimics the transfer function of the echo path ( or room acoustic ) to synthesize a replica of the echo , and then subtracts the estimation from the combined echo and near - end speech ( or disturbance ) signal to obtain the near - end signal alone
聲回波抵消通常采用聲回波抵消器來實(shí)現(xiàn)，最簡單的聲回波抵消器由自適應(yīng)濾波器組成。具體方法是用自適應(yīng)濾波器來估計(jì)回波信號，并從麥克風(fēng)信號中減掉該估計(jì)值，從而實(shí)現(xiàn)聲回波的抵消。 - This thesis introduces the hardware module of an echo canceller test system which is designed to follow on the itu ' s g . 165 , g . 167 , g168 standards to achieve the performance of the canceller by providing the high snr output test signal to the canceller and sampling it ' s output accurately
該測試系統(tǒng)基于國際電聯(lián)g . 165 、 g . 167 、 g . 168規(guī)范，為回聲抵消器提供高信噪比測試參考信號，并對其輸出進(jìn)行高精度采樣，以獲得回聲抵消系統(tǒng)性能參數(shù)，為確定系統(tǒng)改進(jìn)方案提供定量參考。 - The improved algorithm has obtained a faster convergence rate and more stability by consuming a little more computation ~ [ 18 ] furthermore , an acoustic echo canceller has been made using tms320c542 ( fix - point dsp ) . the fast lms / newton algorithm has been implemented on this canceller in the real - time processing . it has been proved that fast lms / newton algorithm can obtain a satisfied echo cancellation result ~ [ 17 ] . the implementation of the improved fast lms / newton algorithm is going on in the lab
同時(shí)，用德州儀器公司的單片定點(diǎn)dsp ( tm [ s320c542 )構(gòu)建了聲回波對消器的硬件平臺，將快速u隨s / ne叨僅泊算法應(yīng)用在實(shí)時(shí)的聲回波對消中，經(jīng)實(shí)時(shí)處理驗(yàn)證，該算法不僅龍侄吐了實(shí)時(shí)處理的要求，而月對回聲的抑制達(dá)到了滿意的效梁切。 - This paper is organized as follows : the background knowledge about echo canceller such as echo mechanism , basic principle of echo canceller and basic components of echo canceller is introduced in chapter 1 in chapter 2 , many kinds of adaptive filter algorithms are dicussed , and their merit and demerit are analyzed
本文內(nèi)容安排如下：緒論簡要介紹了回波抵消器的背景知識，包括回波的產(chǎn)生機(jī)理，自適應(yīng)回波抵消器的基本原理和構(gòu)成，最后介紹了本文的主要工作。第二章主要討論了回波抵消器中常用的各種自適應(yīng)濾波算法。
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