simulation

连续投影算法MATLAB源码,很好的资料，很齐全(successive projections algorithm)

基于粒子群的神经网络优化算法的应用，在土壤水分特征曲线中的应用。(Neural network based on particle swarm optimization algorithm applied in the soil moisture characteristic curve application.)

MATLAB File for receiver design

计算诺特方程求解平面纵波入射到水平界面时的纵波反射系数与转换波反射系数 matlab图形化界面，输入上下两层介质的纵横波速度与密度即可，使用方便(Knott equations to calculate longitudinal wave reflection coefficients and converted wave reflection coefficient matlab graphical interface, enter the upper and lower layers medium density and shear wave velocity and longitudinal wave incident on a plane at the level of the interface can be easy to use)

c#实现调用matlab的DLL文件，实现两个矩阵相加的 demo.(c# implementation calls the DLL file matlab realize the sum of two matrices demo.)

使用样本协方差矩阵求逆方法仿真的波束图。使用的是均匀线列阵，信号方向为10度，有噪声，没有干扰。(Using the sample covariance matrix inversion method for the simulation beam pattern. Using a uniform linear array, the signal direction of 10 degrees, there is noise, no interference.)

说明：  matlab中的时频分析工具，包含若干函数以及演示文件(matlab in the time-frequency analysis tools, including a number of functions and presentation files)

说明：  电力有源滤波器仿真电路图子电路图之三，算法是经典的dq0算法(APF circuit simulation circuit-ter, the algorithm is the classic dq0 Algorithm)

相控阵雷达数字去斜仿真，发射信号和回波信号，混频滤波信号，正交解调，滤波器设计 使用带通滤波器，二次时延；两个目标(Phased array radar to ramp digital simulation, the transmitted signal and the echo signal, mixing the filtered signal, quadrature demodulation, filter design use a band-pass filter, the second delay two goals)

使用低通滤波器从含有噪声的信号中提取有用的正弦波 (见实验指导书 实验九 数字滤波器中的第一题) 目的：用数字滤波器从含有高频噪声的采样数据中提取正弦信号。 要求：①输入信号为一正弦波，并加入一个白噪声的干扰来模拟信号传输中的随机干扰信号（用以模拟含有噪声采样序列）。 （模拟含有噪声采样序列具体可用正弦波信号叠加高频噪声来实现，为了使滤波效果明显，本实验的高频噪声是用高频均匀分布白噪声（Uniform）通过Butterworth高通滤波器过滤生成的，高通滤波器的截止频率设为10倍输入信号频率。） ②在程序中设计一个低通巴特沃斯滤波器，以滤除信号中的噪声分量，提取输入的正弦波信号 。 ③可调节信号滤波器的截止频率和阶数，可显示滤波前与滤波后的时域信号。 ④给出滤波前与滤波后的频谱特性的显示。 (Using low pass filter extracting useful sine wave signal containing noise(see experiment instruction digital filter in the first nine questions)Objective: to use digital filter sampling data extract containing high frequency noise sine signal.Requirements: (1) the input signal is a sine wave, and add a white noise interference to simulate the random disturbance signal of the signal transmission (to simulate contains noise sampling sequence).(simulated the sampling sequence contains noise available sine wave signal superposition of high frequency noise, in order to make the filtering effect is obvious, the experiment of high frequency noise is Uniform distribution with high frequency white noise (Uniform) by Butterworth high-pass filter to filter generated, high-pass filter cutoff frequency set to 10 times the size of the input signal frequency.)(2) in the program design a low-pass butterworth filter, in order to filter out the noise in the signal component, extract the input sine wav)