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TSP
解决背包问题 自动求解最大价值 利益最大化问题(Automatically solve the Knapsack Problem to maximize the interests of maximizing the value of solving the problem)
- 2009-04-20 23:24:10下载
- 积分:1
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TE_HORN
喇叭天线的内部TE模式传播的电流电压分布图,可以手动输入参数,如扫描次数和时间,能够仿真出动态图形。好好研读软件,编程能力会迅速提高的~(Current and voltage distribution inside the TE mode horn antenna transmission, you can manually enter parameters such as scan frequency and duration, can simulate the dynamic graphics. Good reading software, programming capability will rapidly increase the ~)
- 2014-09-22 10:28:38下载
- 积分:1
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PVarray
光伏阵列Simulink仿真文件 光伏阵列(PV array Simulink simulation files)
- 2021-03-27 11:09:12下载
- 积分:1
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music
关于信号处理的新算法,可以用于谐波简谐波检测等(New signal processing algorithms can be used for harmonic simple harmonic detection)
- 2013-03-29 13:53:21下载
- 积分:1
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chengxu
小波变换进行变速箱故障诊断
首先将s1和s2信号时域谱(s1代表维修前的振动信号,s2代表维修后的振动信号),画出来进行对比,会发现s1信号的振动幅值会比较高;然后对s1和s2分别进行小波分解并画出各层的时域谱,只对比s1和s2分后的最高时域谱,s2更加的具有周期性,且幅值较小,s2周期性不够明显,且振动过于密集。分析完时域谱后开始分析频谱,首先对原信号s1和s2fft转换,得到频谱图,如图,然后再对小波分析后高频部分进行fft转换,做出频谱图。对比后我们发现,在f 2375HZ出(也就是齿轮的啮合频率),s1信号频谱幅值会有急剧的升高,然后,其谐波的幅值也会增大。所以可以推断出该维修前的增速箱的齿轮可能出现问题。(Gearbox fault diagnosis based on wavelet transform s1 and s2 first time domain signal spectrum (s1 behalf of the vibration signal before maintenance, vibration signal s2 representative of repaired), drawn comparison, you will find a signal s1 vibration amplitude will be higher then s1 and s2 respectively wavelet decomposition and draw the layers of time-domain spectrum to only a maximum time domain spectroscopy s1 and s2 points after, s2 is more cyclical and smaller magnitude, s2 cyclical enough obviously, and the vibration is too dense. End domain spectral analysis after the beginning of the spectrum analysis, the first of the original signal s1 and s2fft conversion to give the spectrum, as shown, and then after the high frequency part of wavelet analysis fft transformation to make spectrum. We found that after the comparison, at f 2375HZ out (i.e. the gear mesh frequency), there will be a sharp increase in the amplitude spectrum of the signal s1, and then, the amplitude of the ha)
- 2017-01-17 19:18:02下载
- 积分:1
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fresnelDiff
说明: Fresnel 衍射的计算,光学衍射的实例,可参考(Calculation of Fresnel diffraction, optical diffraction of the examples, reference may be)
- 2011-04-02 15:00:08下载
- 积分:1
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mom-for-antenna
用矩量法计算天线辐射特性的MATLAB演示程序,程序很紧凑,执行效率很高(Moment method antenna radiation characteristics of MATLAB demonstration program, the program is very compact, high efficiency in the implementation)
- 2012-07-14 03:04:41下载
- 积分:1
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Transform-adjacent-matrix
Matlab 读取txt中的network data并转化为邻接矩阵(Matlab read txt the network data and converted into an adjacency matrix)
- 2021-02-06 08:59:57下载
- 积分:1
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1
说明: 一个基于小波变换的边缘检测程序。采用matlab编写的M文件(One based on wavelet transform edge detection procedure. Prepared using M-file matlab)
- 2009-03-27 21:46:41下载
- 积分:1
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QPSK
编程实现QPSK调制解调,计算其误码率;(QPSK modulation and demodulation programmed to calculate the bit error rate )
- 2010-12-30 12:38:35下载
- 积分:1