Android-multi-threaded-HTTP-download

直流斩波变化的仿真和一些参考文献 可以学习一下(The simulation of dc chopper change and some references can learn )

51单片机开发步进电机源代码及报告解释说明(a progress of 51MCU introduction)

上位机发送数据包，下位机实现简单数据接，然后可以存储到其他位置(PC to send data packets, lower machine simple data connection, which can then be stored in a different location)

3/4码率的TCM-16PAM编码程序，已在VISUAL DSP++环境下优化(3/4 rate of the TCM-16PAM coding process has been VISUAL DSP++ environment, optimizing)

将BAL网站的BA算法的输入数据转换为sba算法可用的相机和点分开的数据文件(The BAL website BA algorithm input data into sba algorithm available camera and point separate data files)

使用Atmega16单片机和Att7022计量芯片检测有功功率，有详细的校表过程，在此程序基础上可已开发更多功能(Att7022 Atmega16 measured using microarray microcontroller and active, detailed calibration process, this procedure can be developed on the basis of more features)

说明：  一个用于 AD采集的程序和电路,可以直接看到相应的作用(ADC0809)

针对多电机同步控制中传统环形耦合 PID 控制存在抗扰动性不强 扰动下同步误差较大等问题， 提出了一种带前馈控制的滑模变结构多电机相邻耦合控制策略， 建立了3 台永磁同步电动机同步控制仿真模 型， 通过 Lyapunov 稳定性理论证明了滑模控制算法的稳定性， 并进行了交变负载 突变负载实验 仿真分析和 实验结果表明， 该控制策略相比传统环形耦合 PID 控制 相邻耦合 PID 控制具有更高的同步精度和更好的抗扰 动性能(Abstract: Aiming at the problem of poor anti-disturbance capability and big synchronization error under disturbance of traditional ring-couple PID control method in multi-axis synchronization control，a sliding mode variable structure with feed-forward control for relative coupling control strategy is proposed． Three Permanent Magnet Synchronous Motor ( PMSM) for synchronized control simulation modl is set up． The stability of the proposed control algorithm is proved according to Lyapunov stability theory． The control strategy is tested by alternating load，and mutant load experiment． Simulation analysis and experimental results show that the presented control strategy has higher synchronization accuracy and better anti-disturbance capability in camparison with the traditional ring-couple PID control and relative-couple PID control．)

MQ-7烟雾模块 DHT11模块 430单片机驱动 数字量 非模拟量 1602显示(MQ-7 DHT11 430F149 1602)

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)