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- scaled weighted echo path loss 刻度比加权回声通道损耗
- weighted echo path loss 加权的回声通道损耗
- echo path loss 回声路径损耗
- But the premise of using the algorithm is that echo path is sparse. 但是这种算法有效的前提是回声路径是稀疏的。
- And it can get the path loss of any point on single floors of buildings. 该模型既有二维跟踪模型的快速，又有三维跟踪模型的高精度。
- Chapter 3 proposes and studies a new adaptive Algorithm (BEPNLMS) based on the sparseness of the echo path and Block-Exact Techniques. 在上一章的基础上，第三章结合回声抵消器的特点，基于回声路径冲击响应稀疏性和精确块技术，提出了一种新的BEPNLMS自适应算法；
- In this paper, a sub-band stereo acoustic echo cancellation using human auditory characteristics is proposed.This method can converge to "true" echo path more quickly than traditional methods. 摘要提出一种利用人耳听觉特性的双声道回波抵消方法，与传统方法相比能够更快地收敛到“真实”回波路径。
- It briefly presents the theory for the diffraction over terrain obstacles and describes two different path loss models, the Hata model and a FFT-based model. 本文提出一个新的数学模型，描述压力波在充满黏性不可压缩流体的等向性弹性管中的传输行为。
- The Windows-based software, AREPS3.0, is applied to compute path loss versus range in the troposphere, using atmospheric information from shipboard weather prediction station. 使用AREPS3.;0软件计算不同距离上的路径损耗，大气信息取自舰载气象站；
- The method is adaptive to different path loss models and does not require any hardware modification on network or mobile devices.Moreover, the impact of shadowing is reduced. 该方案不需要对网络设备和移动终端作任何硬件改造，就能普遍适用于各种无线环境和路径损耗模型，同时能有效降低阴影效应的影响。
- Then critical technologies of simulation system are discussed, including frame processing structure, FH sequence generator, simulation models of path loss and multipath channel, simulation of signal propagation delay and jamming signal etc. 其次，讨论了仿真系统实现的关键技术，包括帧处理结构、跳频序列发生器、路径损耗与多径信道仿真模型、信号传播延时及干扰信号的仿真等。
- However, ranging measurements are often subject to errors, induced by multipath signals and variations in path loss, unreliable hardware or antenna connectors, or imperfection in measurement models. 可是，距离测量往往容易出现错误，多径信号和路径损耗变化，不可靠的硬件或者天线连接器，或者不理想的测量模型都可能导致错误出现。
- In this paper,the performance of wireless DNC system is analyzed by testing the performance parameters of wireless signal and proposing the path loss formula of radio wave propagation in workshop. 通过测试无线信号性能参数并提出车间环境下无线电波路径损耗经验公式,分析了无线DNC系统的性能。
- They cleaved a path through the wilderness. 他们在荒原中开辟出一条路。
- She squelched along the muddy path. 她沿着泥泞小径格吱格吱地走。
- Her performance was cheered to the echo. 她的表演获得长时间的喝采。
- He was destined to plod the path of toil. 他注定要在艰辛的道路上跋涉。
- The bird-song is the echo of the morning light back from the earth. 鸟的歌声是曙光从大地反响过去的回声。
- His words aroused no echo in their hearts. 他的话未能在他们心中引起共鸣。
- I commiserate with you on the loss of your mother. 你母亲逝世，我特向你慰问。
