Ocean underwater channel is a stochastic acoustic propagation channel with its multipaths, time variety, and frequency spread.
海洋水声信道是多途、时变和频散的信道。
Typical indoor wireless channel is Ricean fading, and can be decomposed into the sum of an LOS propagation channel and a scattering channel.
典型的室内传播信道为莱斯衰落信道，可将其分解为LOS传播信道和散射信道。
The obstacles set in gas flame propagation channel have acceleration action on the gas-phase flame. The acceleration mechanism can be attributed to …
在沿火焰传播的通道上设置障碍物，对气相火焰具有加速作用，这种加速作用的机理可归功于障碍物诱导的湍流区对燃烧过程的正反馈。
Effective designing, assessment, and installation of a radio network in an indoor environment require an accurate characterization of radio propagation channel.
室内环境中无线网络的有效设计、评估和安装是建立在对无线传播信道的准确描述之上。
The effective design, assessment, and installation of a radio network in an indoor environment require an accurate characterization of the radio propagation channel.
有效的设计、评估和安装室内无线网络需要准确地描述室内无线信道特性。
A physical model of nonlinear evolution of chaotic signal propagation in optical fiber is presented by coupling chaotic laser system with optical fiber channel.
通过耦合激光混沌系统和光纤传输信道，提出光纤混沌信号传输的非线性演化物理模型。
The proper sound propagation model is the basis of transfer function prediction of underwater acoustical channel.
合适的水声传播模型是水下声信道传递函数预报的基础。
Then it analyzes the wireless mobile communication propagation environment and gets the characters of timing varying fading channel.
然后讨论了无线移动通信的传播环境，得到时变衰落信道的特点。
The coherence bandwidth of shortwave channel is calculated by using the density profile and wave propagation features in ionosphere.
从该电子密度模式和电离层波传播特性出发确定多径分量，计算短波信道相干带宽。
The protocol reduces the normalized propagation delay of control channel.
本协议中控制通道的传播时延很小。
The experiments demonstrated that the possibility of pin failure propagation due to a block-age in the channel could be excluded.
试验表明，由于堆芯流道堵塞而引起元件损坏事故蔓延的可能性可以排除。
From integrated physical model test on the scale of 1:30, the effect of a deep water channel on propagation of diagonal incident wave is studied.
通过1：30比尺的整体物理模型试验，研究了深水航道对斜向入射波浪传播的影响。
Conventional method in radio propagation prediction is based on the fading channel models, with the aid of computer, mass of data were analyzed to make the propagation model localization.
常用的电波传播预测方法，一般是以路径损耗为预测模型，结合大量的测试数据，利用计算机进行辅助分析，实现传播模型本地化。
In particular, a large number of propagation paths between transmit and receive antennas can be utilized to combat channel fading effect and gain link reliability.
特别地，能够利用发送天线和接收天线之间的多径分量来抵抗信道衰落影响，并且改善通信链路可靠性。
OFDM is a high transmission technology in the wireless propagation environment. It is fitted to transmit high-speed data in the wireless channel which has multi-path delay and Doppler frequency shift.
OFDM是一种无线传播环境下的高速传输技术，适合在多径传播和多普勒频移的无线信道中传输高速数据。
The main contents of the thesis are displayed as follows: 1. Wireless channel model has been established by analyzing the signal propagation characteristics in wireless channel.
论文主要工作有：1。通过分析信号在无线信道的传播特性，建立了无线信道模型。
To solve low channel utilization problem caused by long propagation delay in wireless networks, a fast reservation on-demand transmission (FRODT) medium access control (MAC) protocol is proposed.
为解决无线网络中长传播时延所带来的信道资源利用率低的问题，提出一种基于快速预约按需发送（FRODT）的媒质接入控制（MAC）协议。
The problems mainly exhibit to be multi-path propagation in the wireless fading channel, signal fading caused by the scattering and Inter-Symbol Interference caused by the long multi-path time delay.
其中主要为无线衰落信道中的多径传播和散射引起的信号衰落，以及大的多径时延而引起的符号间干扰。
The definition of the propagation characteristics (channel parameters), as well as with the frequency of residential location.
定义了传播特性(信道参数)以及同频小区的位置。
Then, the paper introduced the basic concepts of wireless channel transmission mechanism as well as the characteristics of radio wave propagation in underground tunnels;
然后介绍了无线信道的传播机制基本概念以及井下巷道电波传播特性；
So the main work in this dissertation is compiling and debugging the program for solving the field distribution in channel waveguides using three-dimensional finite-difference beam propagation method.
为此，本文重点完成了利用三维有限差分束传播法求解条形波导中场分布的计算程序的编写和调试。
Time variant multipath propagation in acoustic channel causes serious intersymbol interference (ISI), which makes high speed data transmission over acoustic channel very difficult.
但水声信道的时变多途效应造成接收数据严重的码间干扰（I S I），使得高速水声通讯的实现十分困难。
Based on the propagation regularity of land mobile communication in Beijing, this paper gives the computer simulation model of M-distribution fading wave channel.
根据北京地区移动通信无线电传播规律，在信号快衰落幅度服从m衰落的基础上，给出了M衰落波形信道的计算机仿真模型。
Chapter 1: the background of the study of propagation of ultrashort intense laser in plasma channel and a survey of the interaction of laser with plasma were introduced.
第一章：本章介绍了超短强激光在等离子体隧道中传输研究的背景，并回顾了激光和等离子体相互作用物理。
Radio propagation in ocean wireless channel is different from the way in land. The ocean surface is roughness which is conformed to some statistical law.
无线遥测电波在海浪环境传播时不同于陆地，海浪的表面起伏不平，表现为一定的统计规律。
The wireless channel is usually unreliable, and it mainly suffers from time-varying fading due to multi-path propagation.
它具有由于时变多径传输产生的衰落、时间延迟扩展等有害影响。
Because of the coupling between surface channel and SOFAR channel, sound propagation in two, axis underwater channel is complex and calculation of acoustic fields is difficult.
由于表面声道与深海声道间的耦合效应，声波在双轴海洋声道中的传播比较复杂，因此求解双轴海洋声道中的声场就比较困难。
Because of the coupling between surface channel and SOFAR channel, sound propagation in two, axis underwater channel is complex and calculation of acoustic fields is difficult.
由于表面声道与深海声道间的耦合效应，声波在双轴海洋声道中的传播比较复杂，因此求解双轴海洋声道中的声场就比较困难。
应用推荐