高数据传输速率以及终端的高速移动，导致无线通信信道具有时间选择性与频率选择性两个特征。
High data transmission rates and high mobility give rise to time - and frequency - selectivity in wireless communication channels.
当信道上没有数据传输时，通信双方应每隔时间C发送链路检测包以维持此连接。
When there are not data being transmitted on the channel, both sides shall send link test packets every time interval C to maintain the connection.
阐述了IEC 61850对逻辑节点、通信信息片、事件时间、传输时间、报文的类型和性能级的定义。
The definitions given by IEC 61850 on logical nodes (LNs), PICOM, event time, transfer time, types and performance classes of message are expounded.
在视频医疗系统中，由JMF提供一个统一的架构和通信协议来管理基于时间媒体的获取、处理和传输。
In video service system, JMF provides a unified construction and correspondence agreement to manage the gain, processing and the transmission of the time-based media.
该通信模型，在空间、时间、传输、功能方面都是松散耦合的。
The communication model, in space, time, transmission, functions are loosely coupled.
传统地面标记系统采用串口通信方式进行时间同步及数据传输，操作繁琐，工作量大。
Because of adopting serial communication to synchronize time and transfer data, the old AGM system is perplexing and ineffective.
然后根据通信实时性等要求，设计一种局部路由优化方案，该方案减少了报文传输时间，但可能导致绑定更新开销的增加。
Then according the timeliness, a kind of local route optimization scheme is designed. Although it can reduce the time of transmission, yet the cost of binding increase.
数据帧的等待传输时间（延迟）的均值和二阶矩是衡量一个实时通信网络的重要的性能参数。
The mean and second moment of frame's waiting time are important performance parameter for real time communication network.
由于消息传输机制及协议处理都需要时间，切换将导致通信暂时中断，数据分组丢失。
Due to information transmission and agreement disposal taking much time, handover causes some packets are lost for the temporary interrupt of communication.
返回式二进制搜索算法可以缩小标签搜索范围，从而大大减少阅读器与标签之间的通信时间和传输的数据量。
At the same time, recoverable dynamic binary search algorithm can narrow the scope of the search tag, thus greatly reducing communication time and data between reader and tags.
月球车遥操作中最主要的问题是空间与地面通信中的时间延迟以及有限的数据传输带宽。
The major problem of the lunar rover teleoperation is time-delay and the limited data transportation bandwidth between communication of the space and ground.
容迟网络的通信具有机会性，且传输时间受到严格限制。
The communication is opportunistic in delay-tolerant network, and the nodes spend limited time in sending data.
容迟网络的通信具有机会性，且传输时间受到严格限制。
The communication is opportunistic in delay-tolerant network, and the nodes spend limited time in sending data.
应用推荐