plecs_standalone_svpwm

说明：  地震合成记录的wavelets, contourlets and curvelets比较分析。本文不仅论述了三种方法的原理，而且提出一种联合方法，并且应用于地震信号处理(Synthetic seismic record wavelets, contourlets and curvelets comparative analysis. This article discusses the three methods is not only the principle and proposed a joint approach, and applied to seismic signal processing)

说明：   本单片机系统采用AT89S52控制，整个硬件系统由A/D、D/A转换、LED显示、键盘、串行通信等模块组成。(ok)

about mathematics calculator project

带串行控制的10位模数转换器TLC1549在8051系统中的应用(with serial control of the TLC1549 10 Analog to Digital in 8051 System of)

说明：  永磁同步电机双闭环控制MATLAB仿真程序(MATLAB permanent magnet synchronous motor double closed-loop control)

Battery Energy Storage System for Variable Speed Driven PMSG for Wind Energy Conversion System

介绍了变压器差动保护接线的问题，系统讲解了保护原理，解决方案以及效果等等。(jieshao le bianyaqi chadong baohu jiexian de wenti。xitong jiangjie le baohu yuanli，jiejue fang an yiji xiaoguo etc)

a good paper to understand the metasurface directivity

说明：  气象雷达Weather Radar通用测试台的设计实现(Universal Weather Radar Test Bench Design and Implementation)

矢量控制与直接转矩控制是当前主要的两种电机变频调速控制方法，已在两相交流感应电机中得到 了应用。分析了两相不对称电机矢量控制和直接转矩控制原理以及两相三桥臂逆变器的SVPWM实现方法； 运用Matlab的Simulink建立了两相不对称交流感应电机矢量控制和直接转矩控制调速系统的仿真模型，并 对两种控制系统进行了仿真研究，给出了仿真波形，进行了特性比较． 关键词：两相电机；矢量控制；直接转矩控制；SVPWM；MATLAB；仿真(Vector Control and Direct Torque Control is currently the main method of frequency control of two motors, has been in two-phase AC induction motor has been applied. Analysis of asymmetric two-phase motor vector control and direct torque control principle and two-phase SVPWM inverter arm Bridge Implementation the use of Matlab in Simulink to establish a two-phase AC induction motor asymmetry of vector control and direct torque control modulation speed of system simulation models, and the two control system was simulated, the simulation waveform characteristics were compared. Key words: two-phase motor vector control direct torque control SVPWM MATLAB Simulation)