echo canceller造句
例句与造句
- Techniques for choosing digital echo canceller
数字回音抵消器的选择方法 - Decorrelation technique in adaptive acoustic echo canceller system
立体声回波对消中的去相关方法研究 - The design and implementation of multi echo canceller in satellite communication system
卫星通信系统群路回音消除器方案设计与实现 - Echo canceller ec
回声消除器 - The testing results show that the performance of the echo canceller exceeds the requirements specified by itu recommendation g . 165
测试结果表明，回波抵消器的性能超出或达到了g . 165建议标准的要求。 - It's difficult to find echo canceller in a sentence. 用echo canceller造句挺难的
- The echo canceller includes an adaptive finite impulse response filter that generates an adaptive filter weight vector
此?音消除系统由一适应性有限脉冲响应滤波器所组成，它能产生一组适应性滤波器权值向量。 - 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实现了基于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电话网关上的回声消除技术，给出基于dsp的回声消除器的软硬件实现。 - 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
主要工作是设计并实现电话线路自适应回波抵消器和基于多带激励模型的语音编解码器。 - 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
分析了最小均方误差( lms )算法、归一化的最小均方误差( nlms )算法和递归的最小二乘( rls )算法，并且结合声回波抵消算法评估了它们的性能。 - 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
声回波抵消通常采用声回波抵消器来实现，最简单的声回波抵消器由自适应滤波器组成。我们可以借助于它宋估计回波信号，并从麦克风信号中减掉该估计值来实现声回波的抵消。 - 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
声回波抵消通常采用声回波抵消器来实现，最简单的声回波抵消器由自适应滤波器组成。具体方法是用自适应滤波器来估计回波信号，并从麦克风信号中减掉该估计值，从而实现声回波的抵消。 - 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
该测试系统基于国际电联g . 165 、 g . 167 、 g . 168规范，为回声抵消器提供高信噪比测试参考信号，并对其输出进行高精度采样，以获得回声抵消系统性能参数，为确定系统改进方案提供定量参考。 - 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
同时，用德州仪器公司的单片定点dsp ( tm [ s320c542 )构建了声回波对消器的硬件平台，将快速u随s / ne叨仅泊算法应用在实时的声回波对消中，经实时处理验证，该算法不仅龙侄吐了实时处理的要求，而月对回声的抑制达到了满意的效梁切。 - 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
本文内容安排如下：绪论简要介绍了回波抵消器的背景知识，包括回波的产生机理，自适应回波抵消器的基本原理和构成，最后介绍了本文的主要工作。第二章主要讨论了回波抵消器中常用的各种自适应滤波算法。
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