beginners_guide_to_matlab

说明：  在matlab编程中读入grd文件，绘制三维或者二维等值线图(grd)

采用四步相移方法求取相位主值，通过滤波对无效的像素点进行滤除。(With the four step phase shifting method to obtain the main phase, through the filter to filter out pixels invalid.)

首先，对太阳能光伏电池的基本原理和I-V、P-V特性进行分析。其次，建立电池的等效电路并初步设计仿真模型。(First, the basic principle and IV, PV characteristics of solar photovoltaic cells for analysis. Secondly, the establishment of the equivalent circuit of the battery and the preliminary design of the simulation model.)

合成孔径雷达（SAR)目标成像仿真，BP神经网络用于函数拟合与模式识别，计算多重分形非趋势波动分析，使用混沌与分形分析的例程，具有丰富的参数选项。( Synthetic Aperture Radar (SAR) imaging simulation target, BP neural network function fitting and pattern recognition, Calculate the multifractal trend fluctuation analysis, Use Chaos and fractal analysis routines, It has a wealth of parameter options.)

IP175A circuit application

说明：  IEEE官网上的关于UWB的源代码，由于信道仿真，对研究UWB室内定位的用户很有帮助(IEEE UWB official line on the source code, because channel simulation, the study of UWB indoor positioning the user helpful)

已知采样频率80000，通带衰减0.5阻带衰减45 通带截止频率4000，阻带截止频率20000，用双线性变换法设计数字低通滤波器 (Known sampling frequency 80000, attenuation in the passband stop-band attenuation 45 0.5 Passband cutoff frequency of 4000, 20,000 stopband cutoff frequency, using bilinear transform design digital low-pass filter)

此也是为地震信号产生的一个程序。和上一个差不多的。(This is the seismic signal generated by a program. And a similar.)

this is speech recognition file

Single phase active power filter