Device Class Definition for Human Interface Devices (HID)

IC卡电子锁,单片机开发，电子锁，嵌入式-IC card electronic lock, microcontroller development, electronic lock, embedded

uml看看就知道，设计思想和代码-uml look at that design and code

TI推出了4美元的蓝牙芯片只能在蓝牙芯片订购

分析了文件系统在嵌入式应用中的重要作用,在剖析了uCOS - II内核工作原理的基础上,借鉴FAT16文件系统,构建了一个适合嵌入式应用的文件系统FAT8,并详细介绍了如何在uCOS - II内核上实现-analysis of the file system in embedded applications of the important role in the analysis for uCOS-II core principle of work and drawing on the FAT16 file system. Construction of a suitable embedded applications FAT16 file system. and gave details of how for uCOS-II kernel to achieve

LDPC_OFDM无线高速数据传输系统研究-LDPC_OFDM wireless high-speed data transmission system

BPSKQPSK的二阶载波跟踪环,附matlab程序和dsp程序!-BPSKQPSK second order carrier tracking loop, with matlab processes and procedures dsp!

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Trace Width Based on Voltage Drop

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

一篇关于混合高斯建模的方法，很经典，从中可以学到很多东西-An article on Gaussian Mixture modeling methodology, it is classic, where you