正弦调频连续波雷达数字中频信号处理机的设计

采用ADC＋FPGA＋DSP模式设计了一种正弦调频连续渡雷达数字中频信号处理机。该处理机利用了数字接收机和恒虚警检测（CFAR）原理实现了目标多普勒信号提取、检测和存储，具有体积小、功耗低、可靠性高等特点，且具有一定的灵活性和可扩展性。介绍了处理机各组成部分的功能及参数选择，并分析了处理机所用的恒虚警检测算法。测试结果表明，该处理机克服了采用模拟接收电路的固有缺点，提高了通道一致性和测量精度。     

航空传感器综合处理机的开放式体系架构

航空传感器综合处理机主要用于完成机载各种传感器的信号与信息处理及控制功能,为适应技术的高速发展、降低装备寿命周期成本,航空传感器综合处理机采用开放式设计思想。本文论述了航空综合处理机开放式设计原则及其对分布式背板总线的要求,给出了一种开放式综合处理机体系架构设计思路。     

弹载小型化高速信号处理机设计方案

弹载处理机受特殊的平台功能、环境条件等因素制约,具有高性能、小型化等特点。弹载小型化高速信号处理机采用基于多通道宽带采样技术和多核心高速并行处理技术的设计方案,解决了高速高密度小型化电路设计和高速浮点数字信号处理器（DSP）多核心协同工作两大关键技术,并在不影响处理机实时性的前提下,设计出了一种基于嵌入式操作系统设计理念的多核心协同工作框架软件。弹载处理机可满足弹载多领域的功能和指标需求。     

基于ATCA架构的可重构通信处理机设计

随着数据通信的飞速发展,各种业务需求日益剧增,基于先进电信计算机架构(ATCA)平台,选择可重构的嵌入式系统处理机就显得非常有必要。结合ATCA架构的特点,选择MPC8548E处理器作为处理机,提出了基于1000M以太网和PCI-E数据交互的通信系统模型,设计并实现了一种可重构的通信系统处理机,为基于ATCA架构的电信产品提供了灵活的应用选择。测试结果表明,该处理机无论在电气特性方面,还是在数据的处理能力方面都达到了业内相对领先的地步。     

i2920单片数字信号处理机体系结构及其应用设计

本文详细介绍Intel公司的2920单片数字信号处理机的体系结构;叙述2920工作原理和指令系统;还列举了三个应用实例,说明其设计方法。最后简单介绍2920的开发系统。     

半导体人工神经网络的研究与发展

本文论述了发展半导体神经网络研究的重要性，讨论了半导体神经网络研究的内容和重点发展方向，比较了全模拟量处理、全数字量处理和数字量模拟量混合处理方式实现通用神经网络处理机的优缺点，提出了现阶段我国通用神经网络处理机研究的一些思路。     

基于Fabric网络平台的中间件设计

基于Fabric网络拓扑及其传输特点,设计了模块级综合化信号与信息处理机的网络通 信中间件模型,详细描述了其中的Fabric通信模型、网络管理模型和图形化配置监控模型。 该中间件通过映射Fabric物理端口为多个逻辑通信端口,屏蔽网络链路的容错细节,以及静 态逻辑连接关系和应用部署的动态绑定,实现了位置无关的网络通信、应用部署、容错控制 、配置及监控维护等处理机平台基础设施,减小了系统应用与机器平台的设计耦合,增强了 系统应用的设计灵活性,可以显著提高系统应用的集成效率。     

10cm信标机信号实时采集及处理系统

本文介绍了用单片微处理机对１０ｃｍ信标机的信号频率进行实时采集和处理的工作原理。文中详细地讨论了如何利用微机处理机采集组信标机信号频率值，并计算出其频率准确度和频率稳定度，采集的数据和处理的结果通过微型打印机输出。文中还介绍了软件工作过程以及设计思路。     

用于多处理器系统的32位可编程信号处理机

本文叙述了32位可编程信号处理机的结构、系统设计及程序操作,它可以用于单处理器或多处理器系统的场合。本处理机设计的特点包括:较高的吞吐量;通过可编程的输入/输出(I/O)矢量中断或分布式直接访问内存(DMA)实现通用输入一输出结构;编程相当简易以及使用的部件数量少。     

第四讲 数字信号处理机

在这一讲中,我们准备讲述在第一讲中图1.2所示数字信号处理的第2层,即处理机的实现方法,以及处理机与应用范围之间的关系。     

Public Financial Expenditure——A Reflection of the Livelihood Improvement

In recent years.China's public finance put social construction high on the agenda and attaches more importance on livelihood insurance and improvement.The 2003-2007 public financial expenditure reflects a fact that the government isputting more emphasis on livelihood andissues concerning the people.     

Voices from the MPC and CPPCC

"Crucial for economic growth.energy utilization has its role in all economic sectors and every aspect of people's daily life.Now we are in dire need of a new profession,namely energy manager.We not only need to have passion and responsibility,but also a scientific approach to conserve energy and cut emissions.APpropriate legislation should be in place.and a special profession should be introduced to ensure the implementation of these laws and regulations."     

Slowdown Trade Surplus Growth

According to Ma Kai＇s economic planning report submitted to the NPC session on March 5th,（Ma Kai is the Minister in charge of the National Development and Reform Commission）,the government has listed the slowdown in trade surplus growth and the steady expansion of external investment as major tasks for 2008.     

Ouyang Riping： A Hero Besides Entrepreneur

A bout fifty years ago. a baby＇s cry broke the sky of quietness, in a small and beautiful town of Hunan province, which surroundcd by green hills and clear water. Though his .birth brought his family great happiness and hope just as any new life, nobody knew that the little boy would get great achievement when he grow up. even start his business oversea, and earn international honor. Let＇s share with you the entrepreneur Ouyang Riping＇s story, which may insights thcsc people who want to succeed and complete oneself in favorite condition or adversity rather leave things to so-called fate.     

Belarus, A Chinese Fort in Europe

＂In recent years, we＇ve found increasing interest from Chinese investors in the Belarus economy. Please let China know, Belarus is always ready to be a true friend to China. We have built a fort in Europe for China,＂ the President of Belarus, Alexander Lukashenko told Zhou Xiaochuan, President of the Bank of China, during his visit to the capital of Minsk, on January 8th, he expressed his high praise and firm confidence in the development of Sino-Belarusian relations.     

What＇s Behind Spring Festival？

Similar to what the Christmas Day means for the westerners,the Spring Festival is the most important celebration for Chinese people.This big event according to Chinese traditional lunar calendar relaxes and pleases the whole country as the happiest gathering time of the year.National-wide crusade for going back home,too-difficult-to-get train tickets,generous family-going-out shopping,Miaohui laundering,New Year Eve reunion dinner,visiting friends and relatives,watching annual TV gala......each piece of clue reminds us of the smell of Chinese Spring Festival.     

KEY WDRDS for Foreign Investment in China

FDI(Foreign Direct Investment),a component of a country's national financlal accounts,is investment of foreign assets into domestic structures,equipment,and organizations.It does not include foreign investment into the stock markets,concession and subcontract.FDI iS thought to be more useful to a country than investments in the equity of its companies because equity investments are potentially "hot money"which can leave at the first sign of trouble,whereas FDI is durable and generally useful whether things go well or badly.     

Universal Coverage, Pinpoint Illustration and Profound Impact HTC 2008 Intermedia Recommendation and Introduction Meeting

Holding 88 percent of train media resources across China, based on "Time Cube", on the 2008 Intermedia Recommendation and Introduction Meeting on December 19, 2007, HTC announced its high-profile strategy of tour marketing and tapping the immeasurable potentials on the train. Meanwhile, HTC officially launched its brand new product Olympic Train on the meeting, providing a fabulous platform for all the brands that are prepared to do a smart marketing on the occasion of 2008 Olympic Games.     

Market presence in China strengthened Network growth and Dual-Chinese-Hub Strategy More frequet Flyer Benefit——Air China and shanhai Airlines Join Star Alliance

In the end of 2007, Air China Limited (hereinafter "Air China") and Shanghai Airlines, formally joined Star Alliance at a ceremony held in the new Terminal Three at Beijing Capital International Airport. With the addition of the two Chinese airlines, Star Alliance now has 19 member carriers operating 17,000 daily flights to 897 destinations in 160 countries.     

Brown＇s Blossom in Britain-China

The overall strategic relationship between U.K. and China is ＂better than ever＂, China- Britain relations have maintained good momentum, with increased high-level exchanges and the reinforcement of strategic mutual trust, with more room for growth in the future.