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DCT
一个有关DCT的matlab程序，采用分块的思路(DCT-a matlab program, the idea of using block)
- 2009-05-03 22:20:41下载
- 积分：1
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Inagehistogram
图像直方图均衡化的程序设计库函数验证MATLAB(Image histogram equalization procedure to verify the design of library functions)
- 2009-07-01 11:51:16下载
- 积分：1
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ch
说明： 传统分水岭分割算法，源程序，大家有需要的拿去用哈，最近在做这方面的改进，希望对大家有用(Traditional watershed segmentation algorithm, source code, we need to take it with Kazakhstan, the recent improvements in this area, we hope to be useful)
- 2011-04-11 10:45:24下载
- 积分：1
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soundsignal
将声音文件在时间轴上分割成几段，分别将段的秩序及某些段内的秩序颠倒，从而实现了对声音文件的加密。首先，先读取一个声音信号，对信号做1024点FFT变换，取完点之后，分成四个向量，四个向量组成一个矩阵，再对每一个向量进行转置，再重新整合，从而就实现了回密的过程。(Sound files on the timeline will be divided into paragraphs, each paragraph of the order and reversed the order of some paragraphs to realize the encryption of sound files. First, the first reading of a voice signal, the signal was 1024 points FFT transform, check after the completion point, divided into four vectors, the four vectors form a matrix, then for each vector transpose, re-integration, which will achieve a return to close the process.)
- 2010-05-22 11:45:10下载
- 积分：1
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DSPHOMEWORK
设信号 ，用 对x(t)采样得x(n)，是否会发生频谱混叠？现利用FFT分析其频谱。
1．编程绘制该信号的波形。
2．若令N=16，编程对x(n)做FFT运算，并绘制其幅频特性曲线。
3．令N=1024，编程对x(n)做FFT运算，并绘制其幅频特性曲线。
4．分析2、3的运算结果。
设计调试报告要求：
1．工作原理简述；
2．设计思路；
3．难点及解决方法；
4．设计、调试结果及分析；
5．程序文本及操作步骤。(based signal used to x (t) in the sample x (n), whether there will be a spectrum aliasing? FFT analysis is the use of their spectrum. 1. Programming mapping of the signal waveform. 2. If so N = 16, the programming of x (n) do FFT, and the mapping of its amplitude-frequency characteristic curve. 3. Order N = 1024, the programming of x (n) do FFT, and the mapping of its amplitude-frequency characteristic curve. 4. Analysis of two, three computational results. Design debugging reporting requirements : 1. Principle outlined; 2. Design; 3. Difficulties and solutions; 4. Design, debugging and analysis of results; 5. Text and operating procedures steps.)
- 2007-01-03 16:37:45下载
- 积分：1
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PTS-PAPR
PTS法降低OFDM系统峰值平均功率比的源代码(OFDM system PTS method to reduce peak to average power ratio of the source code)
- 2013-06-02 17:55:04下载
- 积分：1
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C8-pi4demo
这个例子将产生并显示pi/2 DQFSK系统中的一些重要信号，仿真这个系统并产生图形输出的MATLAB程序在文件夹中给出。在MATLAB的命令提示符下输入程序名c8-pi4derno后，会绷现一个菜单，用户可通过这个菜单选择以下七个选项中的一个（产生一个图形后，击空格键会显示菜单以便作另一个选择）
1.滤波前的pi/4 DQPSK信号星座图
2.滤波前的pi/4 DQPSK眼图-
3.滤波后的pi/4 DQPSK信号星座图
4.滤波后的pi/4 DQPSK眼图
5.滤波前的同相和正交信号
6.滤波后的同相和正交信号
7.退出程序(返回MATLAB命令提示符)
读者应该仔细研究文件夹中的内容，因为它阐明了很多常见的后处理过程，而且，产生各种图形的代码可用于其他仿真程序的后处理器。
(It is very difficult to describe the MATLAB procedure in english.)
- 2009-10-31 10:54:42下载
- 积分：1
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graypso
基于灰色理论的粒子群优化算法，在matlab7上进行了试用(Based on Grey Theory PSO, a trial on the matlab7)
- 2010-12-07 23:18:31下载
- 积分：1
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Filtro-3-vias
This is a model of a QPSK modulation system for transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC fi lters with excess bandwidth α = 0.18 are employed. The receiver includes an NDA timing recovery loop followed by a DD phase recovery loop. The transmitter?s symbol period is T and set to a value of 100 ms. The symbol period at the receiver is Tr. The model will produce six windows: Two constellation plots and two eye diagrams (for the real part only), at the output of the matched fi lters and after the recovery loops a plot of the phase error (output of the NCO) and a plot of the fractional timing error (used in the interpolator). The frequency off set at the receiver is denoted by deltaf. The model simulates the transmission of 8000 QPSK symbols.
- 2015-02-03 08:10:37下载
- 积分：1
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Experiment 1- Introduction to MATLAB
BASIC MATLAB CODE FOR MATHMATICAL OPERATION
- 2020-06-24 03:20:01下载
- 积分：1
