spi方面的文章，不错的

qpsk modulator demodulator

经典基于FPGA的LCD显示器的控制模块-FPGA-based LCD display control module

介绍PID控制算法，并有详细的实例，包括系统设计方案和实现方法-Introduction PID control algorithm, and detailed examples, including system design and implementation method

设计7阶有源椭圆滤波器，附加电路图与设计思路-design stage seven active elliptic filters, and additional circuit design

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

此文件是对两款can协议控制芯片的介绍并进行很好的比较。-C250251 TJA1040

编译原理中算符优先表的生成，其中包含了每步骤的显示，进栈和出栈的过程都能完整的显示出来，仅供大家学习借鉴-compiler Principle operator of the priority list generation, which contains every step, into stacks and stack up the integrity of the process can show up only to learn from you

网络远程教学观摩方案（校内版），基于IP网络视频应用。-distance learning network to watch programs (school edition), the IP-based network video applications.

SP200S的的51烧录器资料和程序，还有原理图-51 of SP200S burner information and procedures, as well as schematic

采用ARM和FPGA组合，共同实现电脑横机控制器-The use of ARM and FPGA combination of a common computerized flat knitting machine controller