vani

在MATLAB中求图像纹理特征，主要是基于mtlab的程序，基于matlab GUI界面设计。( In the MATLAB image texture feature, Mainly based on the mtlab procedures, Based on matlab GUI interface design.)

用matlab对模糊控制进行讲解，及其仿真的练习(Using matlab to explain to the fuzzy control, and simulation exercises)

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)

channel estimation for ofdm systems, in lte ofdm i s used on downlink, so estimation has to be near to real

Alamouti transmit diversity

给灰度图加入白噪声和椒盐噪声，并设计了几种去噪的算法实现对噪声的降低(Adding white noise to the grayscale and salt and pepper noise, and designed several denoising algorithm for noise reduction)

Function uses Standard Hough Transform to detect circles in a binary image. According to the Hough Transform for circles, each pixel in image space corresponds to a circle in Hough space and vise versa. upper left corner of image is the origin of coordinate system.

bfgs算法中需要用到的步长规则嗬嗬嗬嗬(the BFGS method)

matlab based indexed image calculation

船舶航向PID控制的Simulink仿真，采用NOMOTO模型(ship course control base on PID )