svdPicture

用matlab做的指纹提取的源码，具有很好的借鉴作用。(Using matlab to do the fingerprint extracted from source code, with a very good reference.)

1.题目：数字滤波器的设计与应用 2.设计要求：利用 Matlab 软件,以复合信号分离为例,对 “数字信号处理” 课程中 的谱分析 、数字滤波器设计和信号滤波这三个过程进行了仿真实现,给出了仿真结果。 3.具体步骤： （1）构造原始信号s(t) （2）画出s(t)的频谱 （3）设计ellipse数字滤波器(IIR)，包括低通，带通，带通，并显示幅频特性 （4）用得到的滤波器进行滤波，分离出三路信号，观察时域波形和幅频特性 （5）用三路信号s1,s2,s3尝试重新合成原始信号 4.问题：为什么重新合成的信号和原信号不相等呢？谁能解释一下？谢谢,QQ:664519036( 1. Title: Digital Filter Design and Application 2. Design requirements: use of Matlab software to composite signal separation, for example, on "Digital Signal Processing" course Of the spectral analysis, digital filter design and signal filtering process carried out three Simulation, the simulation results. 3. Concrete steps: (1) construct the original signal s (t) (2) Draw s (t) of the spectrum (3) design ellipse digital filter (IIR), including low pass, band pass, band pass, and shows amplitude-frequency characteristics (4) filtering with a filter obtained by the isolation of three signals, observed time-domain waveform and frequency characteristics (5) with a three-way signal s1, s2, s3 try to re-synthesis of the original signal 4. Question: Why is re-synthesized signal and the original signal is not equal to it? Who can explain? Thank you, QQ: 664519036)

實現點掉在網格中，可以被內插出來的weight(Point out in a grid, can be interpolated from weight)

全相位离散频谱校正的matlab程序，能得到多频率信号的频率，幅值，相位。(All Phase discrete spectrum correction matlab program, to get multi-frequency signal frequency, amplitude and phase.)

说明：  1/3倍频程的实现，先fft然后计算上下限频率。(The realization of 1 / 3 octave, FFT first and then calculate the upper and lower frequency.)

说明：  线性调频信号匹配滤波器的设计与实现，详细(LFM matched filter design and implementation details)

用来评估信号去噪的效果，采用模拟评估法，matlab程序(Used to assess the effects of signal de-noising, analog Assessment Act, matlab program)

IEEE research paper for m.tech students

blasius problem to find the skin friction

good examples of kalman filters for the learners(good examples of kalman filters for the learners......)