TDS

说明：  多模型PLS算法，用来适应多模型的情况，避免误报漏报(PLS algorithm for multi-model, used to adapt the case of multi-model)

无刷直流电机转速电流双闭环仿真。逆变器、电机模型都是自建的，仿真精度较高。输出相电流为标准的方形波(The model is a speed-current dual-loop based simulation of BLDC. The inverter and the motor model are all built myself with high simulation accuracy. The output phase current of the motor is a standard square wave.)

潮流计算是电力学名词，指在给定电力系统网络拓扑、元件参数和发电、负荷参量条件下，计算有功功率、无功功率及电压在电力网中的分布。潮流计算是根据给定的电网结构、参数和发电机、负荷等元件的运行条件，确定电力系统各部分稳态运行状态参数的计算。通常给定的运行条件有系统中各电源和负荷点的功率、枢纽点电压、平衡点的电压和相位角。待求的运行状态参量包括电网各母线节点的电压幅值和相角，以及各支路的功率分布、网络的功率损耗等。(Power flow calculation is a term of power science. It refers to the calculation of the distribution of active power, reactive power and voltage in power network under given network topology, component parameters and generation and load parameters. Power flow calculation is based on the given grid structure, parameters and operation conditions of generator, load and other components to determine the steady-state operation parameters of each part of the power system. Usually, the given operating conditions include the power of each power source and load point, junction voltage, balance point voltage and phase angle. The parameters to be determined include the voltage amplitude and phase angle of each bus node, the power distribution of each branch and the power loss of the network.)

脉冲多普勒雷达是利用运动的物体对发射信号的产生的多普勒效应来测速和测距的，利用回波的延时可以测距，求出多普勒频率可以求出物体的速度(Pulse Doppler radar is to use the Doppler effect on the motion of an object generated by the transmission signal to the speed and distance, the distance can use the echo delay, the Doppler frequency can be calculated the speed of the object is obtained)

该程序是对飞行器的航迹进行模拟。包括3个文件，主程序是fangzhen.m，可以反映出飞行器高度、速度、攻角等参数对飞行器航迹的有效(The program is a simulated aircraft track. Includes three files, the main program is fangzhen.m, can reflect the aircraft altitude, speed, angle of attack of the aircraft trajectory parameters are valid)

一些介绍系统参数辨识方法的论文，包括迭代梯度算法，最小二乘算法等。很好的资料。(Some paper describes the system parameter identification methods, including iterative gradient algorithm, least squares algorithm. Good information.)

一个导弹拦截simulink仿真程序，内含目标运动函数、导弹运动模型、导弹制导与控制算法(A Simlink Simulation Program for Missile Interception)

频域波束成形算法，适用于所有一维和二维阵列的波束成形计算。对于采样时间较短的信号，采用了2次分段，对于采样时间足够的信号则只需要1次分段计算。计算结果包含成像图结果和各扫描点处的频谱结果(Frequency domain beamforming algorithm, applicable to all one-dimensional and two-dimensional array beam forming calculations. For shorter sampling signal, using a second segment, the sampling time sufficient signal need only 1 segment calculations. Calculation results include the results of spectral imaging of the results of each scan point)

这是一个三维图像配准算法，程序调试通过，方便大家学习！(This is a three-dimensional image registration, program debugging through, facilitate learning!)

基于BP神经网络的PID控制算法，可以实现对正弦、方波、阶跃信号的跟踪(BP neural network based on the PID control algorithm can be achieved for the sine, square, step tracking signal)