ACISbook

2.4g和FM（72MHZ，40MHZ，35MHZ……）是个啥信号波，就是我们的控制内容，手拿遥控器推一推摇杆，信号波的频率就会改变(2.4g and FM (72MHZ, 40MHZ, 35MHZ ......) is Gesha signal wave is our control content, holding the remote control push, rocker, will change the frequency of the signal wave)

本书是“国际电气工程先进技术译丛”之一，该书分14章，介绍了各种大功率变频器的拓扑结构及原理、传动系统的组成，以及与此相关的各种先进控制策略。书中还同时详细地给出了多个专题的相关技术背景。可作为学术研究、产品开发等专业技术人员或产品工程师参考。介绍了大功率变频器及中压交流传动的最新发展技术，包括各种大功率变频器拓扑结构、脉冲调制方法、先进控制策略以及工业产品设计经验。包括250多个图表，对所有的主要理论和控制方法都给出了计算机仿真结果和试验波形。对实际产品设计和工业应用中各种问题，书中也进行了介绍。(This book is one of the "international electrical engineering advanced technology translations", the book chapter 14 points, this paper introduces all kinds of high-power inverter topology and principle, the components of the drive system, and the related all kinds of advanced control strategy.Is also given in detail in the book more than one project related technical background.Can be used as an academic research, product development and other professional and technical personnel, or product engineer reference.High-power inverter are introduced and the latest development of medium voltage ac drive technology, including all kinds of high power converter topology, pulse modulation methods, advanced control strategy and industrial product design experience., including more than 250 chart for all the major theories and control methods are the computer simulation results and experiment waveforms are given.For all kinds of problems in the actual product design and industrial application, th)

用PIC单片机实现带音乐播放的电压表,最高实现3.3V的电压测试(PIC mcu)

提取测量断面数据lisp源码，以便于断面图的绘制等工作开展( Extract measurement section data source lisp)

基于STM32的双串口通信程序，能实现两个串口的收发，程序默认采用串口2接收数据，串口1发送(Based on the STM32 dual serial communication procedures, can achieve two serial transceivers, the program defaults to the serial port 2 receives the data, send the serial port 1)

stc12c5a60s_spi直接驱动st7920(12864) 串口驱动、只用个IO口(stc12c5a60s_spi direct drive st7920 (12864) serial driver, only with a IO port)

说明：  基于无人机，组合导航实现联邦滤波器。代码(UAV-based, integrated navigation filter to achieve Federation. Code)

好的声文同步程序，值得学习，适合于初学者，给大家共同分享(Good sound text synchronization process, it is worth learning, suitable for beginners, for everyone to share)

说明：  该源码实现51单片机之间符合modbus通信协议的通信(This code can achieve communications between MCS51 by modbus protocol. )

一个以太网帧解析程序，实现以下功能：解析已封装好的Ethernet V2.0帧封装文件（见附件），判断有多少个帧，每个帧的所有字段内容，检测CRC校验是否正确(An Ethernet frame analysis program, the following functions: parsing the encapsulated Ethernet V2.0 frame encapsulation (see annex), to determine the number of frames, each frame contents all fields to detect CRC checksum is correct)