QPSKcos_sin

采用matlab2013的smulink自己搭建的坐标变换模块，经测试可用，包括park变换、clark变换、park逆变换、clark逆变换、三相静止直接变换到两相旋转坐标系、两相旋转坐标系变换到三相静止坐标系。(The coordinate transformation module of matlab2013 smulink to build their own, can be tested, including Park transform, Clark transform, park transform, Clark transform, three-phase direct conversion to two-phase rotating coordinate system and two-phase rotating coordinates to three-phase static coordinate system.)

说明：  在屏幕上实时显示上海期货递延黄金与白银的现价与溢价(Real-time display of the current and premium prices of Shanghai futures deferred gold and silver on the screen)

本MATLAB代码计算了两幅图像的相关系数和峰值信噪比(The correlation coefficient and peak signal to noise ratio (SNR) of two images are calculated)

Business modelling with UML

包括软件测试基础教程 测试用例分析 以及软件测试面试题整理(Including software testing analysis and test cases based tutorial software test surface finishing questions)

说明：  本段]单片机定义 　　单片机是指一个集成在一块芯片上的完整计算机系统。尽管他的大部分功能集成在一块小芯片上，但是它具有一个完整计算机所需要的大部分部件：CPU、内存、内部和外部总线系统，(This paragraph] definition of SCM is an integrated microcontroller on a single chip a complete computer system. While most of his features into a small chip, but it has a full computer most of the components needed: CPU, memory, internal and external bus system,)

《Software.Engineering.a.Practitioner s.Approach》经典的软件工程教材，第五版，清晰PDF(<Software.Engineering.a.Practitioner s.Approach> classical software engineering textbooks, fifth edition in PDF)

哈工大 C++郭勇老师授课 作业二，方便大家理解，不要照抄哦(HIT C++ Guo teachers to teach job Second, to facilitate understanding, do not copy oh)

说明：  本文介绍MATLAB环境下上位机与下位机通过RS232接口进行串行通信的实现方法 详细叙述了在MATLAB环境下使用其自带的控制工具箱中的串口事件回调函数,实时接收下位机输出串行信号的实现过程. (This article describes the MATLAB environment, host computer and the next-bit computer through RS232 serial communication interface implementation methods described in detail in the MATLAB environment, using its own control in the toolbox serial event callback function, real-time to receive the next bit machine output string line signals the implementation process.)

开环的双极性半桥电路仿真电路，运行软件为saber2007，大家可以改变voltage source的频率来改变电压输出。(Open-loop half-bridge circuit simulation of bipolar circuits, running software saber2007, we can change the voltage source to change the frequency of the voltage output.)