SimulateOpe

本文首先介绍了逆变电源的发展现状及趋势。文中分析了适合数字控制的基于DSP 处理器 TMS320F2812 和智能功率模块（IPM）的逆变器硬件；介绍了 SVPWM逆变技术的基本理论，详细推导出了五种具体的 SVPWM 实现模式，并通过比较说明不同实现模式的优缺点，得到本课题采用的一种优化模式，设计研究了基于 SVPWM控制方式的软件；介绍了 Q 格式的基本理论，在程序中变量间的运算采用 Q 格式，提高了系统数据运算的速度和精度，实现了在定点处理器上进行高性能的浮点运算；详细讨论了片上模数转换模块的转换误差来源及影响，研究了减小转换误差的方法，采用了软件方法来对转换结果进行实时校正，提高了模数转换的准确度。(In the first, the current situation and development trends of the inverters are presented in the paper. Following is the analyses of hardware of the inverter suiting for digital control based on digital signal processor TMS320F2812 and the intelligent power module(IPM) the basic theory of space vector pulse width modulation (SVPWM) is introduced, five specific SVPWM modes of implementation are educed detailedly, following by the comparison which shows the advantages and disadvantages of different patterns, an optimization mode is got which is used in this project, and the software is designed based on SVPWM control pattern the basic theory of Q format is presented, variable Q format is adopted during the procedure for the calculation which improves the operation of the system data speed and precision, achieving the targeted processor for high-performance floating-point operation in the fixed-point DSP the error sources and effects of the on-chip analog-to-digital conversion module(A)

此程序实现了稀疏傅里叶变换全过程,包括频谱重排，窗函数滤波，算法重构(it realizes the sparse fft)

说明：  LMH5618驱动 stm32 建议结合datasheet一起调试(LMH5618 Driver STM32 Recommends debugging with Datasheet)

对信号进行fft加窗插值处理，信号的频率、幅值、相位可以设定(The signal FFT and window interpolation processing)

多线程UDP通讯例子( Multi-thread UDP communication example )

TMS320VC5509A&CCS3.3，内部timer程序，输出定时，输出信号可在XF检测，调试成功(TMS320VC5509A & CCS3.3, the procedures of internal timer, output timing, output signal available in the XF detection, the debugging of successful)

5、大整数除法 Description 求2个大的正整数相除的商 Input 第1行是测试数据的组数n，每组测试数据占2行，第1行是被除数，第2行是除数。每组测试数据之间有一个空行，每行数据不超过100个字符 Output n行，每组测试数据有一行输出是相应的整数商 Sample Input 3 2405337312963373359009260457742057439230496493930355595797660791082739646 2987192585318701752584429931160870372907079248971095012509790550883793197894 10000000000000000000000000000000000000000 10000000000 5409656775097850895687056798068970934546546575676768678435435345 1 Sample Output 0 1000000000000000000000000000000 5409656775097850895687056798068970934546546575676768678435435345 (5, large integer division Description demand two large positive integer dividing the business Input line 1 is the number of test data set n, each test data and 2 lines, line 1 is the dividend, in line 2 is the divisor. Each test data have a blank line between each row of data does not exceed 100 characters Output n lines, each line of output test data with the corresponding integral operators Sample Input 3 2405337312963373359009260457742057439230496493930355595797660791082739646 2987192585318701752584429931160870372907079248971095012509790550883793197894 10000000000000000000000000000000000000000 10000000000 5409656775097850895687056798068970934546546575676768678435435345 1 Sample Output 0 1000000000000000000000000000000 5409656775097850895687056798068970934546546575676768678435435345)

Visual.C#.NET.网络核心编程(Visual.C#. NET. The core of the network programming)

此demo演示了如何判断当前windows用户是否是远程用户还是本地用户(This demo demonstrates how to determine whether the current windows user remote users or local users)

qtd代码 实现graphicsview 数控机床(qt graphicsview cnc-master)