在移动网络上开展流媒体业务，最大的问题是无线环境的时变性容易引起丢包时延，导致缓冲过多、图像质量差和播放中断。
The most troublesome problem in deploying streaming media service is the package-lost delay, which results in too much buffer, low-quality image and interrupted play.
在本论文中，首先对移动传播环境作了描述，特别是对小尺度多径传播造成的幅度衰落，多径时延和多普勒频移进行了分析；
The wireless propagation environment is described first: analyzing the small-scaled fading, including amplitude fading, multi-path time delay and Doppler spectrum spread.
声波信号时延的准确估计是实现强噪声环境下声学法高精度测温的关键。
Precisely estimated time delay of acoustic wave signal is very important to implementing the most accurately measurement of temperature using acoustical method in the strong noise environment.
仿真结果表明该协议能在水声环境下取得优良的吞吐性能和较低的分组传输时延。
Simulation results show that the proposed protocol can obtain higher throughput performance and lower packet transmission delays under the circumstances of underwater acoustic.
仿真结果表明，与传统方案相比，自适应选择重传方案在高误帧率环境下以较低的误包率、略大的传输时延获得了较高的TCP吞吐量。
Numerical results demonstrate ASR-ARQ can achieve much lower packet error rate with slightly longer delay and higher TCP throughput than the conventional scheme.
结果显示，无论在微移动或宏移动环境中，该机制都可以有效的减少切换时延和分组丢失。
The result shows that, the proposed mechanism reduces the handoff delay and the packet loss ratio both in micro-mobility and macro-mobility environments.
针对同时存在网络时延和数据包丢失的网络环境，研究了一类非线性网络控制系统的鲁棒故障检测问题。
With the presence of time-delay and packet dropout effects in the network, the problem of robust fault detection for a class of nonlinear networked control systems is investigated.
该算法能够使路由器中的队列长度快速零误差地跟踪上参考队列长度，并且在长时延网络环境和动态流量网络环境中均具有快速的响应性能。
It can make the queue length in the router track the reference queue length with non-error, and also has fast response performance both in large delay networks and dynamic traffic networks.
主要表现为在高速网络环境下，现有的协议算法不能保证低的包丢失率和低的时延及时延抖动等服务质量需求。
It is mainly exhibited as in the high bandwidth network environment, the current protocol algorithms can't guarantee nicer service quality of low packet loss rate, RTT and dithering of RTT.
但是，传统的遥操作控制方法受系统时延影响较大，且对于环境的适应能力也较差，这直接影响了空间机器人遥操作系统的性能。
However, long time delay and unadaptive to environment is a general obstacle in traditional teleloperation, which directly affects performance of space telerobotics system.
不同环境下网络对数据吞吐量和网络时延的要求不同。
Data throughput is different in different circumstances and networks and the requirement of network latency also changes.
不同环境下网络对数据吞吐量和网络时延的要求不同。
Data throughput is different in different circumstances and networks and the requirement of network latency also changes.
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