同步通信

Call mode, input, output and parameters of several MPI collective communication operations in CAMPI are discussed. We have implemented barrier, broadcast and reduction operations in CAMPI and have analyzed application performance. In performance contrast, CAMPI can archive better performance improvement relative to MPICH.

通过讨论多种MPI的集合操作，给出它们在CAMPI中的函数调用方式、输入参数描述、输出参数描述、参数说明和函数说明，重点针对同步、广播和归约操作，实现了CAMPI集合通信操作库的子集，并且给出应用性能分析，在性能比较中，相对MPICH可以获得较高的性能改善。

Based on state-observer theory, a systematic approach was prompted to construct two chaotically synchronized systems.

提出了一种基于状态观测器的混沌同步方法和混沌保密通信系统。

Therefore, fast and reliablesynchronization algorithm is one of key technologies in SESS system.

因此，迅速、可靠的建立同步是自编码扩频通信最主要的环节之一。

Therefore , fast and reliable synchronization algorithm is one of key technologies in sess system

因此，迅速、可靠地建立同步是自编码扩频通信最主要的环节之一。

In the other part of the paper the OFDM synchronization under the FH condition is studied.

接下来我们讨论了在跳频通信中OFDM的同步问题。

In recent years, systems which based on fractional differential and integral fractional, have been researched extensively, involving fractional circuit, fractional digital signal processing, fractional dynamics control systems and fractional-Chaos and super-chaos, Chaos Control and fractional chaos synchronization, and security communications. And a lot of theoretical and practical results are obtained.

故而近年来基于分数阶微分和积分的分数阶系统已在动力学系统中得以较为广泛的研究，其中涉及分数阶电路、分数阶数字信号处理、分数阶动力学控制系统以及分数阶混沌和超混沌、分数阶混沌控制与混沌同步、保密通信等多个领域，取得了不少的理论和实际结果。

Utilizing feedback synchronization technology, a full duplex secure communication system based on hyperchaos is demonstrated.

应用反馈同步技术，在超混沌电路上实现信号的全双工混沌保密通信。

So it is the present weakness in researches on graphical design method of concurrent software.

由于并发软件必然是多任务的，而且这些任务之间要经常发生同步、互斥或通信。

Synchronization technique which is regarded as the one of the three keystone technique of the CDMA is very important.

摘要作为码分多址的三大支撑技术之一的同步技术在CDMA扩频通信系统中是至关重要的。

In this thesis, based on a simple piece-wise linear map, a chaotic FH code featuring good balance property, hamming correlation property and large FH span is developed.

众所周知，设计好的跳频码和在混沌跳频通信系统中实现收发双方的同步是很困难的。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。