调整数据包丢失比例，模拟测试环境中的网络传输错误。
Adjust the amount of packet loss to simulate network transmission errors in your test environment.
这是由于在分组交换数据网络中传输语音时发生了数据包丢失。
This is usually the result of packet loss when transmitting voice over a packet-switched data network.
最后，研究了网络控制系统有数据包丢失情况下控制器的设计。
Finally, the controller design of networked control system with data dropouts is investigated.
在这种情况下，数据包丢失频繁，这将大大影响网络编码的性能。
In this case, there is a frequent data packet loss, and it will largely affect the performance of the network coding.
数据包丢失或延迟到达情况下将启用阻塞控制，进一步限制性能以避免更多全局网络问题。
Packet loss, or late arrival, enables congestion control, which further limits performance to avoid more global networking issues.
多媒体在因特网络中实时传播，常因网络的带宽限制造成传输过程中数据包丢失。
Transmissions of real-time video always have packets loss by bandwidth limited in Internet network.
通过最优输出补偿的方法和鲁棒极点配置的方法来克服数据包丢失对系统性能的影响。
The optimal data dropout compensation and the robust pole assignment in networked control systems are used to overcome the undisadvantage due to data dropouts.
如果一个数据包丢失或数据包到达的顺序混乱，那么应用程序应检测和依赖自己纠正此问题。
If a packet gets lost or the packets arrive out of order, then the application should detect and remedy the situation on its own.
基于一定的数据包丢失率和恒定时延，系统被建模为由结构事件率约束的异步动态切换系统。
Based on fixed data packet dropout rates and constant time-delay, the NCS is modeled as an asynchronous dynamical-switched system constrained by configuration event rates.
由于网络带宽的限制以及网络的不可靠传输等特点，不可避免的使系统中存在数据包丢失的现象。
Due to the bandwidth constraint and the unreliable transmission of network, data-packet dropout exists inevitably in networked control system.
对于同时存在网络诱导时延和数据包丢失的网络控制系统进行了建模、稳定性分析和控制器的设计。
Modeling, stability analysis and controller design are done for the NCSs with both network-induced time delay and packet-dropout synchronously.
利用全阶线性观测器稳定同时具有网络诱导时延和数据包丢失的网络化控制系统并提高系统的动态性能。
A full-order linear observer was utilized to stabilize the networked control systems with network-induced delays and data packet losses and improve their dynamic performance.
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.
由于低功耗无线通信不确定性、链路质量不稳定性以及节点失效等问题，传感器网络很容易导致路由数据包丢失。
But the link quality of WSN is unstable and the network easily has nodes failures, so the data loss is an open problem in wireless sensor network.
将数据包丢失看成一种特殊的时延，研究了同时具有网络诱导时延和数据包丢失的网络化控制系统的稳定性问题。
Stability of the networked control systems with network-induced delays and packet losses is investigated by considering a packet loss as a special kind of delay.
在同时考虑网络诱导时延和数据包丢失的基础上，研究了动态输出反馈网络控制系统指数稳定性和控制器设计问题。
Exponential stability and controller design problem for dynamical output feedback networked control systems (NCSs) with network-induce delay and data packet dropout is studied.
但同时将网络引入控制环路，也产生了一些不可避免的问题，其中最主要的问题就是网络产生的延时和数据包丢失。
But at the same time, the network introduced to the control loop will induce some problems that can not be avoided, of which, the most important is the time-delay and packet lost.
对于由链路出错所引起的数据包丢失，可以明显加快发送窗口的恢复速度，从而大大提高卫星链路中tcp的吞吐量。
For the packet loss caused by the link error, it can recover the congestion Windows quickly, so the goodput of TCP in satellite net can be improved.
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.
但网络的引入也使得网络控制系统产生了如网络诱导时延、数据包丢失等许多新的问题，限制了网络控制系统性能的发挥。
But unfortunately, introduction of network also brings a lot of new problems such as network-induced delay, data packet dropout and so on, which has limited full play of the system performance.
因此，数据包丢失和时变时延是网络控制系统必须解决的问题，研究网络化控制系统的鲁棒控制具有重要的理论和实际价值。
Therefore, packets loss and time-varying delay of network control system must be addressed. The study of robust control of networked control systems has important theoretical and practical value.
给出了单输入单输出和多输入多输出网络控制系统中存在数据包丢失情况下均方随机稳定的充分条件和丢包边界的确定方法。
The sufficient stability conditions of SISO and MIMO networked control system with data dropouts are presented, data dropout rate is determined to ensure stability of NCS.
如果主机是已知的，但是用户抱怨这个主机本身或它上面运行的应用程序没有响应，那么使用ping并查看数据包丢失率是否为0%(见清单6)。
If a host is known but you find that users are complaining that the host itself or an application running on it isn't responding, use ping and look for 0% packet loss (see Listing 6).
正如前面提到的，不应该把速度作为可靠的性能指标，但是丢失的数据包数量是有意义的。
As already mentioned, the speed should not be relied upon, but the dropped packet counts can be a useful metric.
在所有情况下，都要寻找比较高的错误数据包、重新传输或丢失数据包传输数量，这些都说明网络忙。
In all cases, you are looking for a high level of error packets, retransmissions, or dropped packet transmission, all of which indicate that the network is busy.
根据定义，使用无连接传输机制发送的数据包并不保证能够到达目的地，在通信中允许丢失数据包。
By definition, packets sent using connectionless transport are not guaranteed to reach their destination, and so dropped packets are allowed in the communication anyway.
UDP数据包可能会丢失，或者不按顺序发送给接收的应用程序；必须在应用程序层进行错误处理。
UDP Datagrams can be lost or delivered in a different order to the receiving application; the error handling must be done at the application layer as well.
RSCT实际上探测跨所有网络发送的心跳数据包是否丢失并判断准确的丢失(网络、NIC或节点故障)。
RSCT detects the loss of heartbeat packets that are sent across all the networks and determines the exact loss (network, NIC or node failure).
如果与发送的数据包相比丢失的数据包数量比较高，可能说明网络忙。
A high number of dropped packets in comparison to the packets sent probably indicate that the network is busy.
如果与发送的数据包相比丢失的数据包数量比较高，可能说明网络忙。
A high number of dropped packets in comparison to the packets sent probably indicate that the network is busy.
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