z

用Remez算法设计一个低通滤波器,分别满足性能参数: 滤波器1 滤波器2 滤波器3 采样率Fs: 20kHz 20kHz 20kHz 通带: 0-3 0-4kHz 0-5kHz 带内波纹: 0.1dB 0.1dB 0.1dB 带内衰减: 60dB 60dB 60dB (With the Remez algorithm to design a low pass filter, respectively, to meet the performance parameters: filter 1 filter 2 filter 3 of the sampling rate Fs: 20kHz 20kHz 20kHz pass band: 0-3 0-4kHz 0-5kHz in-band ripple : 0.1dB 0.1dB 0.1dB in-band attenuation: 60dB 60dB 60dB)

自编程序产生FSK信号的函数源代码，可以实现函数调用，载波频率可以修改的！(FSK signal generated by ourselves to a function of the source code, function call, the carrier frequency can be modified!)

this is a simple and comfort system for recording voice

关于短时傅立叶变换的实验 其中有补0的相关分析 希望会对大家有帮助(On short-time Fourier transform of the experiment which fill 0 correlation analysis we hope will be helpful)

1. Consider the FIR system described by H(z) = 1/16(-1 + 9z--2 + 16z-3 + 9z--4 - z-6), and plot the pole-zero locations in the z-plane.(1. Consider the FIR system described by H(z) = 1/16(-1+ 9z--2+ 16z-3+ 9z--4- z-6), and plot the pole-zero locations in the z-plane.)

沿直线最小化优化学习率的梯度下降法matlab版本的一个实例源代码，带轨迹收敛图。(a source code of steepest descent with learning rate to minimize along the line by matlab)

说明：  本代码采用了adaboost算法进行仿真进行人脸检测，很好的给出了仿真图。(it uses adaboost to dtecte face. and it shows the pictures.)

非常好的MATLAB入门软件，一定要看哦，非常好的。加油，加油 (Getting very good MATLAB software , be sure to look oh , very good. Come on , come on)

ucr character recongize(ucr character recongizee)

MATLAB程序------材料力学简支梁剪力、弯矩及强度校核、截面设计(MATLAB program------ Mechanical Charpy shear, moment and strength check, cross-sectional design)