雷达波束形成

说明：  非线性最小二乘法参数估计程序，利用该程序可以对已知解析解的物理过程进行参数估计，估计出线性无关的参数(Parameter estimation of nonlinear least squares method)

Matlab搭的双馈感应式风力发电系统机侧变流器、网侧变流器的控制模型，此模型中参数已给定，经调试后能运行。(Matlab ride doubly-fed induction wind power system with machine-side converter, the grid-side converter control model, the model parameters have been given, by the debugger to run.)

BPSK调制方式模拟仿真，其中加入了高斯白噪声-BPSK simulation, with Gaussian white noise

the programs are an introduction to DSP ,the programs illustrate the frequency response ,impulse response and magnitude response

关于图像滤波的一个实例应用，教会你如何通过傅里叶变换滤除单频噪声(An example of image filtering applications, teach you how to filter out single-frequency noise in Fourier transform)

说明：  纯水的负折射率计算，使用LH模型，适用频率范围小于3THz，可用于计算雨滴衰减模型(Negative refractive index of pure water calculated using the LH model for the frequency range is less than 3THz, can be used to calculate the rain attenuation model)

高斯白噪声信道下接收端对发送信号的恢复效果(Gaussian white noise channel receiver, the recovery of the transmitted signal)

车牌识别，毕业设计论文详细介绍车牌识别功能和实现(license plate recognition)

实现非负矩阵分解的程序，适合提取非负信号的特征值(A program for non negative matrix factorization, Suitable for extracting the eigenvalues of non negative signals)

在分析无刷直流电机（BLDC）数学模型的基础上，提出了一种无刷直流电机控制系统仿 真建模的新方法。在Matlab/Simulink环境下，把独立的功能模块和S函数相结合，构建了无刷直流 电机系统的仿真模型。系统采用双闭环控制：速度环采用离散PID控制，根据滞环电流跟踪型PWM 逆变器原理实现电流控制。仿真和试验结果与理论分析一致，验证了该方法的合理性和有效性。 此方法也适用于验证其他控制算法的合理性，为实际电机控制系统的设计和调试提供了新的思路。 (Based on the mathematical model of the Brushless DC motor(BLDC),a novel method for modeling and simulation of BLDC control system was proposed.In Matlab/Simulink,by the combination of the isolated functional blocks and S-functions,the model of BLDC could be established.In the double loop of control system,a discrete PID controller was adopted in the speed loop and a current controller was completed in the current loop on the principle of hysteresis current track PWM inverter.The reasonability and validity were testified by the coincidence of the simulation and experimentation results and theory analysis.This novel method is also suitable for verifying the reasonability of other control algorithms and offers a new thinking for designing and debugging actual motors. )