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去上海培训数控的教材资料。西门子840d系统，关于硬件配置，轴调试，数据管理(NC to Shanghai training materials information. Siemens 840d systems, on the hardware configuration, shaft commissioning, data management)

基于vhdl的按键检测程序。可以有效消除抖动(vhdl key dectect program)

说明：  求解双层规划问题常用的算法有极点算法、直接搜索法、下降法和非数值优化方法(如模拟退火算法、遗传算法等)，遗传算法的求解思路是：首先对上层的决策变量编码，代人下层规划模型，通过求解下层模型的决策变量值，代入上层模型计算适应度值，然后进行交叉、变异、选择操作，最后求出最优解。(Solving Bilevel Programming Problems with pole algorithm commonly used algorithms, direct search method, descent and non-numerical optimization methods (such as simulated annealing, genetic algorithms, etc.), genetic algorithm for solving approaches: the first on the top of the decision variable coding, on behalf of the were lower programming model, by solving the lower model of decision variables values into the upper model on behalf of the fitness value, and then crossover and mutation, select Options, and finally get the best solution.)

通过串口解析MODBUS协议 读开关量型的输入信号 读保持寄存器上的内容 批量写数据到保持寄存器(Resolving MODBUS Protocol through Serial Port Input signal of reading switch type Read and hold registers Write data in batches to hold registers)

说明：  搭建 BPSK+编码+交织仿真通信链路，仿真分析在不同信道条件下的不同译 码算法的误比特率性能。基于 matlab，搭建 BPSK+卷积编码+交织通信收发链路， 仿真参数如下： 1) 信源比特速率： 100 b R kbps = 2) 卷积编码：码率为 1/2，生成多项式为（561,753） 3) 译码方式：维特比译码（硬判决译码、软判决译码（8 比特量化）） 4) 交织：行列交织，交织器深度为 100bit，宽度为 10； 5) 仿真点数：106 1. 在 AWGN 信道下，仿真并绘出该系统在硬判决和软判决（3bit 量化）两 种译码方式下的信源误比特率曲线，并进行分析。 2. 设定某种交织器结构，在单径瑞利衰落信道（ 100 d f Hz = ）下，采用理 想信道估计，仿真并绘出该系统在有无交织、不同译码方式（硬判决和 软判决）时，在不同 0 b EN下的信源误比特率曲线，并进行分析。 3. 改变交织器结构，选择三种不同的交织深度（自行决定），在单径瑞利衰 落信道（ 100 d f Hz = ）下，仿真并绘出该系统在不同交织长度时，在不 同 0 b EN下的信源误比特率曲线，并进行分析。(Build a BPSK + encoding + interleaving simulation communication link, and analyze the different translations under different channel conditions The bit error rate performance of the code algorithm. Based on MATLAB, BPSK + convolutional coding + interleaved communication transceiver link is built, The simulation parameters are as follows: 1) source bit rate: 100 b r Kbps = 2))

i8320 系统服务与组件，提取自limo操作系统内核完整源代码(i8320 system services and components extracted from the limo complete source code for the operating system kernel)

说明：  数字信号的调制识别，提取了信号的时域特征与频域特征。包含神经网络训练。(Modulation recognition of digital signal.The time-domain and frequency-domain features of the signal are extracted. Including neural network training.)

通过labview与康耐视相机的In-sight软件通讯，通过tcp/ip，可发送指令(In-sight communication software, through the LabVIEW and Cognex camera through tcp/ip, send commands)

说明：  bch 编码、解码程序，可以对任意长度的信息添加纠错码。(BCH encoding, decoding procedures can be arbitrary length of the right information to add error-correcting codes.)

matlab与tracepro通信接口文件(Working with Matlab and TracePro through Dynamic Data Exchange)