fwhm

牵引供电系统，将机车作为恒功率负荷，计算谐波电流电压(Traction power supply system uses locomotive as constant power load to calculate harmonic current and voltage.)

电力自动化产品中遥测量采集的电路图，包括PT、CT的变换及采集-power automation products distance measurement circuit diagram of the acquisition, including the PT, and the transformation of CT Acquisition

八数码问题，用c语言实现，有详细的注释！8 digital issues, using c language implementation, contains a detailed comment!-8 digital issues, using c language implementation, contains a detailed comment!

说明：  本算法利用粒子滤波算法对电池容量进行预测。(Prediction of battery capacity using particle filter algorithm)

对ADCP数据进行读取，画出其流速流向图(Read the ADCP data and draw the flow chart.)

水平二维均质、各向同性、四周封闭等厚的长方形纯油藏数值模拟 L=400m，D=800m,厚度H=20m，Φ=0.2,Pi=19.61323MPa=20kg/cm3 K=0.2D=200*10-3um2,u=1.5mPa.s,C=1.01972*10-2MPa-1=1.0*10-3(kg/cm2)-1 井位在x=350m，y=250m处，Q=78m3/d，求第676天油藏压力分 采用高斯消元法和LU分解法

说明：  这是一个基于python的gasvm程序，编写很规范，容易理解，适合初学者学习(This is a python-based gasvm program, written very standardized, easy to understand, suitable for beginners to learn)

经典VBScript学习资料，欢迎共同学习提高，(vbs)

雷达速度波门拖引用matlab编程得到，同时将仿真的结果也上传了。(The radar speed gate gate drag reference MATLAB is programmed, and the simulation results are uploaded.)

分析了永磁同步电机矢量控制的发展概况，然后从机电能量转换的角度出发，解释三相永磁同步电机的机电能量转换原理，推导拉格朗日运动方程。此外，列写出永磁同步电机在三相静止坐标系和dq坐标系下的数学模型。基于Simulink建立了转速电流双闭环矢量控制系统的仿真模型，通过对仿真结果分析，验证了永磁同步电机矢量控制系统性能的优越性(The development of vector control of permanent magnet synchronous motor is analyzed. Then, from the perspective of electromechanical energy conversion, the principle of electromechanical energy conversion of three-phase permanent magnet synchronous motor is explained, and the Lagrangian motion equation is derived. In addition, the mathematical model of the permanent magnet synchronous motor in the three-phase stationary coordinate system and the dq coordinate system is written. Based on Simulink, the simulation model of the speed and current double closed-loop vector control system is established. The simulation results are analyzed to verify the superiority of the performance of the permanent magnet synchronous motor vector control system.)