disizhangchegnxu

三维数字滤波器中的理想高通滤波器的matlab仿真及其结果(3 d digital filters in an ideal high-pass filter matlab simulation and the result)

无线传感器网络定位用到的无线传输模型 Regular Model, Logarithmic Attenuation Model, DOI Model, RIM Model (Wireless sensor network localization using wireless transmission model, Regular Model, Logarithmic Attenuation Model, DOI Model, RIM Model Achieve functional distance and transmission attenuation swap ~~~~~~~~~~~~~~~~~~~~~~Regular Model~~~~~~~~~~~~~~~ In this model, the radio range is a circle ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ReceivedSignalStrength=SendingPower-PathLoss e.g, RSS=Pt-Pl(d0)-10*η*log10(dist/d0) Pt:transmit power pl(d0):the pass loss for a reference distance of d0 ηis the path loss exponent above parameters are saved in ../Parameters_Of_Models.mat dist:distance between sender and receiver(m) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ typical value:Pt=0-4dBm(max),Pl(d0)=55dB(d0=1m),η(2~4)=4(indoor,outdoor) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~Logarithmic Attenuation Model~~~~~~~~~ In this model, the radio range is a circle ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ReceivedSignal)

BPSK调制解调，采用升余弦波形成形，误码性能分析(BPSK modulation and demodulation, the use of raised cosine waveform shaping, error performance analysis)

uwb无线电基础代码，第八章，超宽带信道与接收机。(based on UWB radio code, Chapter VIII, ultra-wideband channel and receiver.)

DSP.蚁群算法来解决最短路径问题,在电力系统优化问题 (algorithm to solve the shortest path problem, the optimization problems in power system )

2010 数学建模大赛 赛前matlab培训2(Lecture2 2010 Mathematical Contest in Modeling Training (matlab symbolic computation).zip)

DPSK MATLAB 通信系统仿真 误码率 误比特率 Gray编码 译码(DPSK MATLAB simulation of communication system bit error rate BER of Gray code decoding)

几种图像处理源码 程序代码说明 P0301：数字图像矩阵数据的显示及其傅立叶变换 P0302：二维离散余弦变换的图像压缩 P0303：采用灰度变换的方法增强图像的对比度 P0304：直方图均匀化 P0305：模拟图像受高斯白噪声和椒盐噪声的影响 P0306：采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 P0307：采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波 P0308：图像的自适应魏纳滤波 P0309：运用5种不同的梯度增强法进行图像锐化 P0310：图像的高通滤波和掩模处理 P0311：利用巴特沃斯（Butterworth）低通滤波器对受噪声干扰的图像进行平滑处理 P0312：利用巴特沃斯（Butterworth）高通滤波器对图像进行锐化处理 (err)

matlab的90个实例源程序包括了各种绘图源程序、各种动画程序以及一些先进的算法等(matlab source code, including 90 instances of a variety of mapping source, a variety of animation programs as well as some advanced algorithms )

Bits error rate, convolution coding, BPSK, AWGN, Simulation and theory