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基于matlab的高斯光束及传输特性分析。掌握高斯光束的光强分布特点及传播过程中光强的变化(Analysis of Gaussian beam and transmission characteristics based on matlab. Grasp the characteristics of intensity distribution of Gauss beams and the change of light intensity during propagation)

macsec 文档,IEEE标准，很难找的(IEEE standard document for MACsec protocol)

说明：  想学习黑客技术，进行逆向编程，同时提高编程技术的可以下载学习(Want to learn hacker technology, reverse programming, while improving the programming technology can be downloaded to learn)

基于STC89C52单片机，可以测量RLC的高精度的RLC测量仪的系统方案，包括原理图和PCB布线图(Based STC89C52 microcontroller, can be measured with high precision RLC RLC meter system solutions, including schematics and PCB layout)

三相异步电机经典的分步参数辨识MATLAB仿真模型，实现对定子电阻、转子电阻、漏感和互感的辨识。(The classical step-by-step parameter identification MATLAB simulation model of three-phase asynchronous motor can identify stator resistance, rotor resistance, leakage inductance and mutual inductance.)

说明：  这是有关相控阵的书籍，介绍很全面而且翔实，有关超声发射和聚焦方法介绍等(This is a book about phased arrays, the introduction is very comprehensive and informative, about the introduction of ultrasound transmission and focusing methods, etc.)

说明：  汇川plc数据采集，基于modbus协议(Data acquisition of Huichuan PLC based on Modbus Protocol)

说明：  杰理AC692X/AC692N中文开发用户手册(AC6925AB/AC6926AC/AC6921A)

大整数的运算,我再网上找刀的一些,大家一起分享(large integer arithmetic, I find the Internet a number of knives, to share with everyone)

随机产生20个学生的成绩，统计各分数段人数。(Random generation 20 students scores, the number of each band statistics. Display score on the picture1 show that the statistical results in The picture1 display. )