这是关于用MATLAB编写M文件求复合材料层合板性能指标的一个作业，第一个M文件是对层合板性能的分析，第二个M文件是对层合板破坏的分析。

作为图像压缩的必要步骤，本代码给出了由.dat文件读取图像，再将图像进行DCT变换，量化，反变换，量化采用两个不同量化步长的量化表，得到清晰度不同的量化图像。 本代码适合学习数字视频，数字图像的matlab初学者实验实现图像压缩，并可对比不同量化步长所带来图像的不同效果。

雨流计数法 载荷谱分析 matlab m文件 雨流计数法 载荷谱分析 matlab m文件 雨流计数法 载荷谱分析 matlab m文件 雨流计数法 载荷谱分析 matlab m文件

用谐波合成法模拟的脉动风场，采用matlab二次开发软件进行模拟

%调用格式： % %[pathstruct,pathstr]=listfiles('.\','.csv') % %[pathstruct,pathstr]=listfiles('d:\myfiles','.bmp')

涉及：QPSK信号调制（带噪声）、解调、加纳算法码元同步、科斯塔斯环载波同步。信号采样率32M 星座图显示 眼图显示

m序列_gold及m&walsh序列生成及序列相关性仿真 mod2plus用来产生gold序列，输入m序列优选对便可产生gold序列

Matlab R2011b按照正常破解会有重复激活无法使用问题。需更换破解文件，激活时用这个lic.txt替代lic_standalone.dat就可以成功激活

% Known encoding formats are the following FDSN codes: % 0: ASCII % 1: 16-bit integer % 2: 24-bit integer (untested) % 3: 32-bit integer % 4: IEEE float32 % 5: IEEE float64 % 10: Steim-1 % 11: Steim-2 % 12: GEOSCOPE 24-bit (untested) % 13: GEOSCOPE 16/3-bit gain ranged % 14: GEOSCOPE 16/4-bit gain ranged (untested) % 19: Steim-3 (alpha and untested) % % See also MKMSEED to export data in miniSEED format. % % % Author: Franois Beauducel % Institut de Physique du Globe de Paris % Created: 2010-09-17 % Updated: 2012-04-21 % % Acknowledgments: % Ljupco Jordanovski, Jean-Marie Saurel, Mohamed Boubacar, Jonathan Berger, % Shahid Ullah. % % References: % IRIS (2010), SEED Reference Manual: SEED Format Version 2.4, May 2010, % IFDSN/IRIS/USGS, http://www.iris.edu % Trabant C. (2010), libmseed: the Mini-SEED library, IRIS DMC. % Steim J.M. (1994), 'Steim' Compression, Quanterra Inc. % History: % [2012-04-21] % - Correct bug with Steim + little-endian coding % (thanks to Shahid Ullah) % [2012-03-21] % - Adds IDs for warning messages % [2011-11-10] % - Correct bug with multiple channel name length (thanks to % Jonathan Berger) % [2011-10-27] % - Add LocationIdentifier to X.ChannelFullName % [2011-10-24] % - Validation of IEEE double encoding (with PQL) % - Import/plot data even with file integrity problem (like PQL) % [2011-07-21] % - Validation of ASCII encoding format (logs) % - Blockettes are now stored in substructures below a single % field X.BLOCKETTES % - Add import of blockettes 500 and 2000 % - Accept multi-channel files with various data coding % [2010-10-16] % - Alpha-version of Steim-3 decoding... % - Extend output parameters with channel detection % - Add gaps and overlaps on plots % - Add possibility to force the plot % [2010-10-02] % - Add the input formats for GEOSCOPE multiplexed old data files % - Additional output argument with gap and overlap analysis % - C

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