fanyingyi

基于单片机STC89C51和74LS164的多功能数字万用表(Based on microcontroller STC89C51 and 74 ls164 multi-function digital multimeter)

direct sparse solver for linear equations

说明：  　　 paek变换 park转换，也称派克变换，英文为Park transformation,为现在占主流地位的交流电机分析计算时的基本变换。在电力系统分析和计算中，park转换具有重要的理论和实际意义。(paek transform park conversion, also known as Park transformation, the English for the Park transformation, for the now dominant in the calculation of AC motor analysis of the basic transformation. In power system analysis and calculations, park conversion has important theoretical and practical significance.)

本人收藏的一个按键发音的程序， 很不错的源码,值得下载(My collection procedures pronunciation of a button, it is a good source, it is worth downloading)

边界盒的检测，能有效的知道边界盒的最大长度，为编程带来方便(Bounding box test, which can effectively know the maximum length of the boundary box for programming convenience)

简单的流水灯程序，另外包括按键控制led灯程序，适合初学者(Simple water lights, led lights additionally includes key control procedures, suitable for beginners)

一个模拟电子表的程序，有兴趣的可以研究研究(a simulated electronic watches the proceedings, interested can studies)

Microsoft Visual Studio 2010 Express 快速功能鍵(Microsoft Visual Studio 2010 Express Keybinding Brochures)

pca 用于定时器功能 pca可用于捕捉，定时，pwm输出等功能(pca pca can be used to capture, timing, pwm output for timer function)

汽车横、轨道衡,电子汽车衡技术协议说明文档资料(Automotive Wang, railroad track scale, electronic truck scale information technology agreement documentation)