通信系统

This paper based on the author's practical development experiences, details some important elements desiring consideration in the dual-processors mobile terminal system integration in physical layer such as how to choose the system architecture,how to inter-connect so many chips with perfect power group organization and interface power level deployment and also some basic low-level communication protocols between master processor and co-processor or other blocks.

本论文基于作者在移动终端研发领域的实际开发经验，详细的阐述和探讨了双处理器架构移动终端系统物理层集成时要考虑的很多因素，如系统架构的选择，芯片互联时的一系列物理层通信协议，芯片互联时电气特性的匹配要求和系统电源系统的配置等问题，其中互连协议是很关键的因素。

The CDAS realtime telemetry and attitude determination system of meteorological satellite FY2 is a system of multifunction long life time and high reliability ,based on multiprocessor concurrent processing and multilevel faulttolerant architecture.It implements integrally realtime processing of analog telemetry including demodulation of accurate sun pulse,realtime determination of satellite's attitude,coding telemetry demodulation and realtime data processing,satelliteground loop simulation test,a...

介绍了风云二号卫星指令与数据获取站实时遥测定姿系统，该系统是一个采用多级容错、多处理器并发运行体系结构，统一实现包括精太阳脉冲解调在内的模拟遥测信号实时处理、卫星姿态实时确定、编码遥测信号解调和数据实时处理、卫星星－地回路仿真测试及系统大容量数据、图形、字符实时处理、通信、记录等多功能、长寿命、高可靠实时遥测定姿系统。

In this paper,we simply introduces the whole design scheme of security network access server; subsequently, we deeply analyse the principle and structure model of RADIUS and TACACS in the distributed security authentication system, and more explain the idea and implementation of design. On the other hand, in order to authencating、authorizing and accounting more securely, efficiently and accurately to the remote users, we put forward a series of key techniques which are used in analysis such as MD5 encryption arithmetic、packet retransfer、buffer storage、interprocess communication and so on, and prove the compatibility of the system through employing the commercial software Shiva AccessManager.

本论文首先简要介绍了《安全网络访问服务器》的总体设计方案；之后，深入分析了分布式安全认证系统RADIUS和TACACS的原理与结构模型，并进一步详细阐述了安全认证模块的设计思想和实现，深入剖析了系统中引用的MD5加密算法、数据包重发机制、缓冲区存储、进程间通信等技术，这些技术使得系统能安全、高效、准确地对远程用户进行认证、授权和计费，而且通过使用商用软件Shiva AccessManager的测试验证了该系统的通用性。

C Supports both Firmware Hub and LPC Memory Read and Write Cycles Auto-detection of FWH and LPC Memory Cycles C Can Be Used as FWH for Intel 8xx, E7xxx, and E8xxx Series Chipsets C Can Be Used as LPC Flash for Non-Intel Chipsets Flexible, Optimized Sectoring for BIOS Applications C 16-Kbyte Top Boot Sector, Two 8-Kbyte Sectors, One 32-Kbyte Sector, Three 64-Kbyte Sectors C Or Memory Array Can Be Divided Into Four Uniform 64-Kbyte Sectors for Erasing Two Configurable Interfaces C FWH/LPC Interface for In-System Operation C Address/Address Multiplexed Interface for Programming during Manufacturing FWH/LPC Interface C Operates with the 33 MHz PCI Bus Clock C 5-signal Communication Interface Supporting Byte Reads and Writes C Two Hardware Write Protect Pins: TBL for Top Boot Sector and WP for All Other Sectors C Five General-purpose Input Pins for System Design Flexibility C Identification Pins for Multiple Device Selection C Sector Locking Registers for Individual Sector Read and Write Protection A/A Mux Interface C 11-pin Multiplexed Address and 8-pin Data Interface C Facilitates Fast In-System or Out-of-System Programming Single Voltage Operation C 3.0V to 3.6V Supply Voltage for Read and Write Operations Industry-Standard Package Options C 32-lead PLCC C 40-lead TSOP

0第0页，本页显示记录0-0，共0条记录分0页显示C支持两种固件中心和LPC内存读取和写入周期自动的FWH和LPC的记忆圈C检测可以用于英特尔8xx系列，E7xxx，E8xxx系列芯片组和C可以用作FWH与至于非英特尔芯片组的BIOS应用柔性优化扇区开放16字节热门引导扇区，两个8 - Kbyte的，一个32字节部门，3个64 - Kbyte的C或存储阵列，线性预测编码闪光可分为四个统一为两个可配置的接口擦除的FWH / LPC接口为64 - Kbyte的行业，系统运行C地址/地址多路复用在制造过程中用于编程接口的FWH /线性预测编码界面C与33 MHz的PCI总线时钟 5信号通信接口进行操作，支持字节读取和写入引导扇区的顶部和WP C两硬件写保护引脚：任务型为所有其他部门 5个通用输入的系统设计的灵活性识别的多种设备选型部门登记销锁定为个别部门读取和写保护的A /阿复用界面C 11引脚复用引脚地址和8引脚的数据界面C促进快速系统内或外的系统编程的单电压3.0V至3.6V的操作供应的读取和写入操作业界标准的封装选项电压 32 -引脚PLCC 40引脚的TSOP

The whole PPT-reports of the Forum have put into "Complex Network Science Forum Circle" on Science Network in China (Please see: hettp//www.sciencene.cn/g/ComplexNets ) and also appear on the CCAST-WL Webside (Please see: www.ccast.ac.cn/workshop ). Main issues of the Forum are associated main subject of Network Science with application, including: review and outlook of network science ,spreading model of the H1N1 influenza virus , dynamics of neural network , brain functional networks,dynamics of topological structure, military network science with application, space structure of complex networks, community structure,,stationary e fficiency of coevolutionary networks , significance of community structure,,relationshipe between structure and dynamics of complex network, generalized synchronization and control, consensus of multi-agent systems, evolutionary game and friendship network, s preading of epidemic based on human and animal mobility pattern, complex network engineerings, and so on.

本届论坛文集共收编了32篇 ppt 报告，已经公布在中国科学网"复杂网络论坛圈"上（请看： hettp//www.sciencene.cn/g/ComplexNets 并且也发表在中国高等科学技术中心网站上（ the CCAST-WL Webside ）(请看： www.ccast.ac.cn/workshop )，这些报告内容丰富，各具特色，颇有创新，基本涵盖了近年来我国网络科学领域若干重要课题的研究进展和丰硕成果，课题研究颇有深度，不仅具有现实意义的重要课题（如甲型流感全球大爆发之经验统计及其传播模型），而且有前沿课题：生物神经网络系统的动力学与大脑网络，还有一系列重要课题：网络拓扑结构的动力学识别与估计、军事网络科学、网络科学在工程应用、多个体一致性、网络结构与动力学之间关系、同步-协同-中性稳定性和流型的稳定性、网络系统的协调动力学与控制、复杂网络的空间结构、连续系统和离散系统中的广义同步、疾病免疫算法、网络节点匹配、电力网、供应链网、化工网、通讯网与保密通信，等等。

Shelter accessories: shelter air conditioner, electromagnetic screen, EMC professional manufacturer, electromagnetic shielding chamber, shielded gate, shielded machine room, NMR shielding chamber, high-voltage partial discharge shielding, electromagnetic protection chamber, copper mesh shielding room, shielding cabinet, microwave unreflected chamber, filter, honeycomb air-vents window, satellite earth station antenna, communication electronics, information system; large-screen command and control system; ruggedized computer technology and equipment, computer information system safety products; dual-use radar system, weather radar, microwave device and RF and microwave components, dual-use electron component and cable, connector and sensor etc.

方舱附件：方舱空调、电磁屏蔽、EMC专业制造商、电磁屏蔽室、屏蔽门、屏蔽机房、核磁共振屏蔽室、高压局放屏蔽、电磁防护室、铜网屏蔽房、屏蔽柜、微波暗室、滤波器、通风波导窗、卫星地面站天线、通信电子、信息系统；大屏幕指挥与控制系统；加固计算机技术与设备、计算机信息系统安全产品；军民两用雷达系统、气象雷达、微波器件及射频微波产品、军民两用电子元器件及线缆、连接器、传感器等

Is coaxial actuates a alternator based on Simens PLC and its the network direct current velocity modulation system by a direct current motor, the direct current motor to actuate with the direct current velometer and to be loaded with revolves the encoder examination rotational speed; The generator electricity generation voltage after the numeral demonstrated the table demonstrated and delivers to the PLC simulation quantity load module.

在工业控制过程中，继电接触器控制系统因其没有运算、处理、通讯等功能，而不能完成复杂的控制方式，20世纪60年代PLC控制系统应运而生，它综合了计算机技术、自动控制技术和通信技术等现代科技，是当今工业自动控制的标准设备之一；70年代以后，又相继出现了集散控制系统DCS、现场总线控制系统FCS，现在以及今后很长一段时间内会是三种控制方式并存的局面，在这一背景下该文分析PLC控制的现状及发展前景。

The related technology of video conferencing is explored and analyzed by this article; the development and present situation of the video conferencing system at home and abroad are also described in this article; the system's communication technology as well as the enabling technology of audio and video synchronization are analyzed and discussed, as well as the architecture of research and development of video conferencing system is also put forward and summarized.

本文分析和探讨了视频会议的相关技术，介绍了视频会议系统在国内外的发展和现状，并对该系统中的通信技术进行了分析。在对系统中的音频和视频同步的实现技术上，做了分析和讨论，对视频会议系统的研发做了架构和总结。

GPS has been widely adapted as the main positioning tool nowadays after development for more than 20 years with a new generation updating. The applications of areas and prospects dimension of GPS have exceeded its original purpose. It has become a very important technical method and solution way in almost every field of transportation, communication, metrology, aerologic and so on.

全球定位系统GPS作为新一代的卫星导航定位系统，经过二十多年的发展，已发展成为一种被广泛采用的系统，它的应用领域和应用前景已远远超出了该系统设计者当初的设想，目前，它在航空、航天、军事、交通、运输、源勘探、通信、气象等几乎所有的领域中，都被作为一项非常重要的技术手段和方法，用来进行导航、定时、定位、地球物理参数测定和大气物理参数测定等。

The main content of this article are the theories of fuzzy control system and data acquisition system for micro aerial vehicle . we can let a aeroplane model aviate with some sensors and one microcontroller , at the same time , the remote control is used .. when the model make a landing , we could get some useful data from the model

在信号采集系统的基础上，对微型飞行器模糊控制系统的具体实现进行了探讨，并分析了单片机与pc机串行通信的方法，进一步强调信号采集系统与模糊控制系统之间综合设计的合理性和必要性。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。