daolibai

The research paper on the watermarking algorithms for compressed video MPEG-2

Designs a linear phase FIR lowpass filter such that it: - minimizes maximum stopband attenuation - has a constraint on the maximum passband ripple This is a convex problem (when sampled it can be represented as an LP). minimize max |H(w)| for w in the stopband s.t. 1/delta <= |H(w)| <= delta for w in the passband ( where H is the frequency response function and variable is h (the filter impulse response). delta is allowed passband ripple. )

Extract bus trajectories from VISSIM vehicle record files

应用MATlAB语言处理数字信号与数字图像（陈桂明 编著），一本学习信号处理的书籍，包含了应用MATLAB处理信号的各种问题和方法。(Application MATlAB language processing digital signals and digital images (Chen Guiming ed.), a learning signal processing books, including the application of MATLAB signal processing issues and methods.)

radiation pattern of monopole

MATLAB LSB İ MPORTANT

程序仿真得图为原信号与u律压扩信号的互补累积函数曲线图。仿真参数：子载波N=128，采用QPSK调制。(The photo shows the original simulation program was u-law signal and the signal of the complementary cumulative function expansion curve. Simulation parameters: sub-carriers N = 128, using QPSK modulation.)

对输入的语音信号进行分帧处理，低通滤波，中心削波，求自相关函数最后得到基音轨迹。(Speech input signal framing processing, low-pass filtering, center clipping, seeking autocorrelation function finally got the pitch trajectory.)

pattern recognition using neural network

一个基于matlab的fsk仿真，加入了高斯白噪声(Fsk the matlab-based simulation, by adding a Gaussian white noise)