通信性

It can improve the spectral efficiency and robustness of communications. It is also important in military area.

该技术不仅有助于提高通信的有效性和鲁棒性，还在信号侦收领域具有重要的意义。

By using complementary variable method to analyze the state-changing equations of this queueing system, the generating function of stationary probablity distribution of retrial queue length, some performance indexes such as three different stationary state probablity,stationary availability, and stationary failure frequence of the transfer-unit are derived.

研究通信网络中交换单元的可修模型M1，2，3/G/1，呼叫的到达是重试性的，利用补充变量法对排队系统的状态转移方程作了分析，求得了重试队列稳态队长概率分布的母函数以及交换单元的处于三种不同状态下的稳态概率、稳态可用度及稳态故障频度等性能指标。

The study of the vanishing process of stationary noise and interference after cyclic correlation is made, in the case of finite size of data.

尤其在信号种类繁多的通信信号中，绝大部分都具有各种各样的循环平稳性。

With the technical development of electron and computer, including the perfect step by step in the fault tolerance and fault avoidance technique and theory, computer interlocking system has replaced the relay interlocking system.

计算机联锁系统除了具有可靠性、故障—安全性、实时性、结构模块化与标准化外，还具有故障诊断与分析、重演、远程通信以及其他管理功能。

The properties concerning the symmetry and conjugation of complex multi-variable telecommunication systems, together with their number of states and transfer intensities are also investigated in the paper.

对于多元件的复杂通信系统，本文分析了其对称性、对偶性方面的性质和在状态数、转移强度数等方面的若干数量关系。

The Beidou navigational system is characterized by the technical dominance of locating and navigation, data communication, noting time and also by the features of all-day-and-night long, totipotent, real time and continuity.

北斗卫星定位导航系统是我国完全自主知识产权的军民共用卫星定位导航系统，北斗导航系统具有集定位导航、数据通信、授时三大功能为一体的技术优势和全天候、全能性、实时性、连续性的工作特点。

Very High Frequency/ Ultra High Frequency communication is good at mobility and flexibility, and it also appears with features of moderate transmitting power, reasonable equipment cost, very sound anti-destroying ability and great security.

短波/超短波通信不仅具有很好的机动性和灵活性，而且其发射功率小，设备简单，抗毁性强。

The invention relates to a method for information transmission in a coexistent wireless communication system and a device thereof.

本发明涉及一种共存性无线通信系统中的信息传输方法及装置。

The computation and communication complexity of the improved transmission sub-protocol was reduced by a factor of M (the number of users within a group), and that of the sub-protocol with fairness by a factor of A. It can be proved that the anonymity of the improved protocol is based on the Decisional Diffie-Hellman assumption.

改进后传输子协议的计算和通信复杂度降低为原来的1/M，而公平性子协议的复杂度降低为原来的1/λ，并且可以证明改进协议的匿名性建立在判定性Diffie-Hellman假设基础之上。

Thus, in OFDM communication sytems, carrier frequency offset must be estimated and compensated at the receiver to minimize the effects of intercarrier interference and maintain orthogonality.

因此，在正交频分复用通信系统中，接收信号必须进行频率偏移估计和补偿来减小载波间干扰并维持子载波之间的正交性。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。