81404606enhancement

filterfor noise removing from the image matlab code

大学生数学建模2009Bmatlab程序(Mathematical Modeling 2009Bmatlab program)

包含剪切波变换（以拉普拉斯金字塔变换为尺度剖分），以及该变换的压缩感知重构测试应用程序。(Contains shear wave transform (Laplace pyramid transform for the scale subdivision), as well as the transformation of compressed sensing reconstruction test application.)

使用MATLAB编的一段程序。用于计算时间序列的盒维数。(make it in matlab and be used to analys fractal demination)

信号与系统基础知识包括连续信号与模型、离散信号与模型；常用信号变换包括Z变换、Chirp Z变换、FFT变换、DCT变换和Hilbert变换等；离散系统结构包括IIR、FIR和Lattice结构；IIR滤波器设计包括模拟和数字低通、高通、带通与带阻滤波器设计，以及基于冲激响应不变法和双线性Z变换法的IlR滤波器设计等；FIR滤波器设计包括基于窗函数、频率抽样法和切比雪大逼近法的FIR滤波器设计；平稳信号分析包括经典功率谱估计、基于参数模型的功率谱估计和基于非参数模型的功率谱估计；非平稳信号分析包括STFT变换、Gabor展开、Wigner-Ville分布与Choi-Williams分布；非高斯信号分析包括基于非参数法的双谱估计、基于参数模型的双谱估计，以及双谱估计的应用；信号处理的GUI实现包括滤波器设计与分析的FDATool工具和滤波器设计与信号分析的SPTool工具。(signals and systems based on knowledge, including continuous signal with the model, discrete signal and model; Common signals include transform Z transform, chirp Z-transform, FFT transform. DCT and Hilbert transform; Discrete system architecture including IIR, FIR and Lattice structure; IIR filter design, including analog and digital low-pass, high-pass, band-pass and band stop filter design, Based on the impulse response of the same law and bilinear Z transform the IlR filter design; FIR filter design including on the basis of the window function, frequency sampling and snow all over the big approximation of FIR filter design; stationary signal analysis include classical power spectrum estimation, Based on the model parameters of the power spectrum estimation and non- parametric model b)

hi this is a program to dezine to program on face detection and face recogintion

单纯型搜索MATLAB程序，用于搜索多变量函数的局部极小值。(Search MATLAB simple procedure used to search for multi-variable function of the local minimum value.)

近场声全息仿真程序 二个点声源的近场声全息技术(Nah emulator two point source of near-field acoustic holography)

航天相关，计算卫星的轨道,是个Kalman滤波算法(space orbit Kalman filtering algorithm,)

说明：  主要介绍QPSK的matlab编程，初步学习matlab语言在通信中的运用(the introduction of QPSK)