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随着Web平台越来越成熟，我们可以发现有越来越多的令人兴奋的技术出现，这些技术使地理信息系统(GIS)的显示应用达到了一个功能强大且应用广泛的新高度，通过把最新的功能强大的技术整合到GIS系统中去，我们得到了高效率执行的结果，随之赋予了更多的功能。在目前基于浏览器应用程序的开发技术中，AJAX(Asynchronous Javascr ipt and XML)无疑是最新的技术。在本文中，我们介绍了一个通用的，高效的架构，这个架构把AJAX模型整合到了GIS Web Services显示系统中。-
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Pipeline synchronization is a simple, low-cost, highbandwidth,highreliability solution to interfaces between synchronous and asynchronous systems, or between
synchronous systems operating from different clocks.-Pipeline synchronization is a simple,
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This paper presents several low-latency mixed-timing
FIFO (first-in–first-out) interfaces designs that interface systems
on a chip working at different speeds. The connected systems
can be either synchronous or asynchronous. The designs are the
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This paper investigates the use of different techniques for fault detection in voltage-fed asynchronous machine drive systems.
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A fast and accurate method for the-direct cakdation of noncharacteristic frequencies
occurring around HVDC links is presented. The technique calculates small signal linearised
frequency crosscoupling interrelationships for both converters about a
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Practical Design of Globally-Asynchronous Locally-Synchronous Systems
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A PERFORMANCE COMPARISION BETWEEN BRUSH AND BRUSHLESS DOUBLY FED ASYNCHRONOUS GENERATORS FOR WIND POWER SYSTEMS
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本文主要对ＭＣ在电机系统中应用的研究现状进行综述。首先对ＭＣ在异步电机、同步电机以及在航空作动器等电机驱动系统中的研究现状进行了评述，然后介绍了ＭＣ应用于基于燃气轮机的分布式发电系统和大功率风力发电中的发展现状，最后对ＭＣ在工业界的发展情况进行介绍。本文的内容对矩阵变换器的进一步研究及其推广应用具有参考价值。-This paper focuses on research status MC in the motor system applications are reviewed. First
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In this dissertation, there are four main aspects included: energy reservation on
MAC layer, secure improvement for DoS attacks on MAC layer, query processing with
uncertainty for sensor systems, and throughput maximization on MAC layer
for ult
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The training techniques, allows a wide range of use of the asynchronous machine with good
performance, tell her great robustness, reliability and electromagnetic low cost. The vector control
strategy takes into account the dynamic structure of
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本标准适用于具有串行比特数据编码传输的远动设备和系统，用以对地理广域过程的监视和控制.制定远动配套标准的目的是使兼容的远动设备之间达到互操作. 本配套标准利用了国际标准IEC 60870-5的系列文件. 本标准规定了IEC 60870-5-101的应用层与TCP/IP提供的传输功能的结合. 在TCP/IP框架内，可以运用不同的网络类型，包括X.25，FR(帧中继)，ATM(异步传输模式)和ISDN(综合服务数据网络). 根据相同的定义，不同的ASDU，包括IEC 60870-5全部配套标准(例如
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