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matlab实现时间序列分析，供初学者学习(Time series analysis matlab realize, for beginners to learn)

1. 给定模拟信号：，式中，，。对进行采样，可得采样序列 选择采样频率=1 kHz，观测时间ms，观测所得序列及其幅频特性 改变采样频率=300Hz，观测此时的变化 令采样频率=200Hz，观测此时的变化 要求分析说明原理，绘出相应的序列及其它们对应的幅频特性曲线，指出的变化，说明为什么？(failed to translatefailed to translatefailed to translatefailed to translate)

the phonetic characteristics of BP neural network data classification

河北大学matlab实验指导-郑晓昆 ，包含实验指导书内容和源代码，以及部分实验结果+图示(Hebei University, matlab experimental guidance- Zhengxiao Kun, including guide books content and source code, as well as some experimental results+ icon)

分数阶傅里叶变换资料,非常有用的信号处理变换工具(Document of chirp Flouier，which is very useful for signal processing and transformation.)

i Controls 2.0 - Collection of drivers support Unicode

此源码是基于matlab编写的关于查找图像中图形的个数，及查找每个图形的重心并显示。(This source code is written in matlab based on the number of graphic image search, and find the center of each graph and display.)

关于soft matting的MATLAB代码(A closed form solution to Natural Image Matting A. Levin D. Lischinski and Y. Weiss )

卡尔曼滤波 的matlab实现 有需要的 可以看看(Kalman filter implementation matlab need to look at)

改进型的蚁群算法，能够快速求解多目标规划(Improved ant colony algorithm, fast multi-objective planning)