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ISARchengxiangfangzhen
设定雷达和目标参数，选取目标中心与雷达的距离为参考距离，采取dechirp方式接收信号，直接对回波信号进行二维FFT得到的成像结果，并采用Keystone法（即重采样法）校正越距离单元徙动。(Set the radar and the target parameters, select the center of the target and the distance from the radar as the reference distance, take reception dechirp signal, directly on the echo signals, the imaging results obtained by the two-dimensional FFT, and the Keystone method (i.e., re-sampling) Vietnam correction range cell migration.)
- 2013-05-20 15:43:22下载
- 积分：1
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beijingquzao
利用小波变换，EMD以及两者的综合分别进行轴承信号背景噪声去噪分析(Using wavelet transform, EMD and the combination of the two separate bearing signal denoising of background noise)
- 2021-04-05 10:59:03下载
- 积分：1
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EMD_EEMD_VMD
说明： 可用于信号的EMD、EEMD、VMD分解，里面都加了自己的注释，通俗易懂(It can be used for signal EMD, EEMD, VMD decomposition. Because the algorithm adds its own annotations, it's easy to understand)
- 2017-07-08 09:20:13下载
- 积分：1
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97wavelettansform
9/7 二维整数小波变换，可以实现图像的无损恢复。(9/7 two-dimensional integer wavelet transform, you can realize non-destructive restoration of images.)
- 2008-07-27 17:57:49下载
- 积分：1
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fft
说明： 用于计算一个实数或复数序列的离散傅里叶变换和一个复数序列的逆离散傅里叶变换(fast fourier transform subroutine for real valued series)
- 2020-06-24 20:00:02下载
- 积分：1
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wave
用于进行小波变换，对原始的光谱图像数据进行预处理(Used wavelet transform, the original spectral image data preprocessing)
- 2014-01-07 22:55:01下载
- 积分：1
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bpskd
使用matlab实现的BPSK信号产生和加入噪声前后的频谱对比以及FFT测频和一阶差分法测频对比(Using matlab to achieve the BPSK signal generator and adding noise before and after the spectrum contrast and FFT frequency measurement and first-order differential method to measure the frequency contrast)
- 2012-11-07 23:11:33下载
- 积分：1
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Ch1999
小波变换在故障诊断中的应用 441
18.1 引言 441
18.2 基本原理 442
18.3 小波变换在轴承故障诊断中的应用 444
18.3.1 轴承外环故障诊断 444
18.3.2 轴承滚动体故障诊断 448
18.4 小波变换在齿轮故障诊断中的应用 450
18.5 小波包在轴承故障诊断中的应用 452
18.5.1 轴承外环故障诊断 453
18.5.2 轴承滚动体故障诊断 454(wavelet transform fault diagnosis of Introduction 441 18.1 441 18.2 442 basic tenets 18.3 wavelet transform bearing fault diagnosis of 444 18.3.1 ring bearing 444 1 Fault Diagnosis 8.3.2 rolling bearings Fault Diagnosis 448 18.4 wavelet transform in Gear Fault Diagnosis of 450 1 8.5 wavelet packet bearing fault in the diagnosis of 452 18.5.1 ring bearing fault diagnosis 453 18. 5.2 roller bearings Fault Diagnosis 454)
- 2007-03-27 18:48:57下载
- 积分：1
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waveletanalysis
利用全局去噪和分层去噪实现信号的小波去噪，实现成功(Implementation of wavelet denoising, global denoising and level-dependent denoising)
- 2010-11-19 17:18:33下载
- 积分：1
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denoising
该程序主要是通过小波变换来实现对心音信号的去噪处理(The program is mainly achieved by wavelet denoising of heart sound signals)
- 2011-11-27 09:47:43下载
- 积分：1
