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Machinery-Diagnosis
子波分析是一种日益获得广泛应用的信号处理新技
术, 具有良好的时-频局部化特性, 尤其适用于时变及非平
稳信号。本文简述了子波函数与子波展开的基本概念, 利用
展缩子波和调和子波将信号及信号均方值进行时-频两维
分布。最后采用了三种子波分析方法对轴承故障进行诊断,
即使对现有各种方法尚难以诊断的滚动体故障, 也能获得
满意的结果, 说明子波分析的确为机械故障诊断提供了强
有力的分析手段。(Wavelet a nalysis, as a new technique of signal processing , possesses ex cellent characteristic
of time-frequency localization and is suitable for analyzing
the time-var ying or transient signals. In this paper , the basic concepts of wavelet function and
wavelet expansion are briefly introduced. The time frequency
distribution of signal and its energy are obtained by decomposition via dilating wavelet and harmanic wavelet. )
- 2012-01-02 03:56:37下载
- 积分：1
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Channel_Eq_Wavelet
利用小波变换进行通信信道自试验均衡，介绍了算法设计理论并给出了算法详细描述及实验结果。(Wavelet transform from the test communication channel equalization, introduced the theory of algorithm design and gives a detailed description of the algorithm and experimental results.)
- 2010-10-04 03:24:57下载
- 积分：1
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Ant_clony_of_alogrithm
基本蚁群聚类算法及其改进算法[带Matlab源代码]
该算法，解决了不收敛的问题，聚类效果非常好（效果图如附件图片所示）。
改进的蚁群算法是基于遗传算法的改进，在基本遗传算法的基础之上，加入了变异因子，
产生变异，从而更快的收敛。
(The basic ant clustering algorithm and its improved algorithm with Matlab source code of the algorithm to solve the non-convergence problems, the clustering effect is very good (image such as shown in the attached images). Improved ant colony algorithm is a genetic algorithm-based improvements in the basic genetic algorithm based on the added factor of variation, mutation, and thus faster convergence.)
- 2012-08-12 13:46:23下载
- 积分：1
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characteristics
matlab 分类程序 金融工程 股票 (matlab matla)
- 2012-08-31 18:32:55下载
- 积分：1
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IMU
惯性测量单元的C源代码 用于测量物体的姿态变化 可应用与惯性导航 小飞机等设计(IMU(inertial measurement unit) source code)
- 2014-02-20 16:05:33下载
- 积分：1
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ssc_lithium_cell_1RC
说明： Lithium Battery Cell - One RC-Branch Equivalent Circuit
- 2019-05-05 19:06:46下载
- 积分：1
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hafu
利用hough变换函数求取5条最长的直线方程,并重新绘制这5条曲线——hafu.m(Hough transform function used to obtain five longest straight line equation, and re-draw the five curves- hafu. M)
- 2010-07-19 10:20:08下载
- 积分：1
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mosaic---Copy
I want to find out how to use SURF code in MATLAB to detect SURF features and number of matched points between two images.
I found the following package OpenSURF_version1c which you can download from
- 2014-11-07 01:50:25下载
- 积分：1
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choosestar
选星程序
用于天文导航选取恒星用于导航,适用于火星探测等等(the program for choose star )
- 2020-09-29 15:57:46下载
- 积分：1
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lin
[linqua n]matlab编的一个时钟界面 比较小([linqua n] Matlab a series of relatively small clock interface)
- 2005-06-08 15:23:49下载
- 积分：1
