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Conv_Freq_Period.. try it now-Conv_Freq_Period.. try it now....

一个win ce开发事例简单介绍,有用哦

摘要:基于通信技术的列车运行控制系统(CBTC)是铁路信号的发展方向，交频分复用 OFDM)是一种无线环境下的高速传输技术，它对高速列车控制信息传输中卞要受到的由于多 径传播引起的快衰落所产生的影响有很强的抵抗能力.本文首先介绍了OFDM技术的发展和 基本原理，然后在计算机上用M atlal〕对其性能进行了仿真，仿真中将OFDM与传统的单载波 调制方式―i1，交振幅调制( 1frQAM)对抗多径十扰的性能进行了比较，最后分析了一者的仿真结果. -Abstract: Based on the communication technology train operation control system (CBTC) is a railway signal direction for the development of cross-frequency division multiplexing OFDM) is a wireless environment of high-speed transmission technology, its high-speed train control information transmission Bian be subject to the Due to the spread of multi-path fast fading caused by the impact of a strong resistance to diseases. This paper first introduces the OFDM technology development and the basic principles, and then on the computer〕 M atlal use its performance simulation will OFDM with the traditional single-carrier modulation-i1, cross-amplitude modulation (1frQAM) against multi-path interference of the 10 properties were compared with a final analysis of

TMS320F240在有功功率变换器．测量等方面的应用科技文档及源码，来之不易，与大家共享．-TMS320F240 in the active power converter. The application of measurement science and technology documents and source code, does not come easily, and everyone shared.

详细介绍了FPGA的设计的指导性原则，FPGA的设计的具体准则，FPGA设计中的常见疑问，用FPGA的不可不看！-Described in detail the design of FPGA

SANDISK公司的SD卡产品手册，对搞SD卡驱动的同志很有帮助。-SD Card SANDISK

VT6304A6 相 关 设 计 文 件，-VT6304A6 related design documents,

基于STM32三相多功能电能表解决方案（典型的实用方案）-three phase meter based stm32 chip

Here is a complete project for buil your tv modulator with a pic16f84 and a td6359

本文简单介绍SURFER绘图软件的功能特点，以及借助其等值线绘制软件系统制作区域降雨量等值线图的方法。-paper simply introduces SURFER mapping software functions. and through its contour mapping software system produced regional rainfall contour map.