时间域的保证是对传输数据的时效性保证，取决于网络的延时和延时抖动特征。
Time domain quality is effectiveness for given the period of time, which is fixed on the delay and delay-jitter of the network.
在考虑系统噪声和网络诱导延时大于一个采样周期的情况下，给出了多包传输的网络控制系统模型。
The model of NCS with multiple-packet transmission is presented considering system noise and network-induced delay longer than one sampling period.
本文通过分析网络信息传输时延对网络服务质量的影响，得出信息包延时是影响网络服务质量的主要网络特征的结论。
This paper analyzes how the delay of network information transfers affect the Qos, As a result, the delay of information packet is the mainly characteristic affecting network Qos.
避免了使用传统TCP协议进行语音通信实时性差的缺点，减小了网络延时，改善了语音传输质量。
This avoids the disadvantage for real-time when audio-data is transmitted based on TCP, minishes the delay of network, improves the quality of audio-data transmission.
其次，在考虑系统噪声和延时可以大于一个采样周期的情况下，提出了单包传输和多包传输的网络控制系统的模型。
Secondly, the model of NCS with single-packet and multiple-packet transmission under considering system noise and network-induced delay longer than one sampling are proposed.
光突发交换网络实验平台上的TCP传输实验还表明了OBS物理层带来的额外延时对上层TCP带宽有极大的影响。
TCP transmission experimental results also point out that the extra round trip time caused by OBS layer has great influence on the available TCP bandwidth.
而在处理实际问题时，有必要在细胞间引入信号传输延迟，这种带延迟项的系统称为延时细胞神经网络。
It's necessary to induce delays, among cell when transmitting information in solving real problems. This is so called Delayed Cellular Neural Networks (DCNNs).
在考虑了单包传输、多包传输、数据包丢失、延时、随机干扰等情况下，用一种统一的形式，建立网络控制系统的模型。
An uniform model is developed to describe the augmented plant considering single-packet transmission, multiple-packet transmission, packets dropout, network-induced delay and noise etc.
拥塞又会造成网络数据传输的延时，进一步使拥塞加剧，严重时网络将产生崩溃。
Congestion would cause network data transmission delay, further increasing congestion, the network will have a serious crash.
因此，就网络控制系统中的传输延时控制策略的研究显得尤为重要。
So it is important to study the control scheme for the networked control systems with transmitting time delays.
在信息物理系统中如何能够减少不必要的能量消耗，保证较小的传输延时，提高网络的整体性能，是目前所面临的首要挑战。
The primary challenge at present is how to cut down unnecessary energy consumption, guarantee less time lapse in transmission, and improve the overall performance of the network.
然而，由于无线网络的带宽相对较小、传输功率有限、路径不唯一，使得延时、丢包、出错等网络现象更为明显。
However, as bandwidth and transmission power are limited and the uncertain paths in wireless networks, delays, packet dropouts and errors are more likely to take place.
同时也采用了反应器、专有通道等技术，减少了网络传输延时，达到实时网络传输的效果。
Also several optimized methods adopted to decrease the latency and reach the real-time transfer.
通过对系统的整体测试，视频电话的效果良好，网络传输延时低、无明显抖动，实现了利用IP视频电话进行语音视频通话的功能。
The result of the test shows that the whole system works well; the transmission is low delay and no significant jitter and achieves the function that IP video Phone is used for voice and video calls.
通过对系统的整体测试，视频电话的效果良好，网络传输延时低、无明显抖动，实现了利用IP视频电话进行语音视频通话的功能。
The result of the test shows that the whole system works well; the transmission is low delay and no significant jitter and achieves the function that IP video Phone is used for voice and video calls.
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