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synsq_toolbox_v1

于 2012-04-23 发布文件大小:98KB

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下载积分: 1 下载次数: 196

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代码说明：

同步压缩小波变换（synchrosqueezing wavelet transform）工具箱，用于信号处理时频分析(synchrosqueezing wavelet transform toolbox for time-frequency analysis in signal processing )

文件列表：

synchrosqueezing
................\compile_synsq.m,376,2011-05-03
................\curve_ext.c,3887,2011-05-03
................\curve_ext.m,894,2011-05-03
................\curve_ext.mexa64,12574,2011-04-20
................\curve_ext_multi.m,1817,2011-05-03
................\curve_ext_recon.m,1039,2011-05-03
................\curve_ext_snr.m,1206,2011-05-03
................\cwt_adm.m,885,2011-05-03
................\cwt_bd_loc.m,764,2011-05-03
................\cwt_freq.m,2427,2011-05-03
................\cwt_freq_direct.m,1455,2011-05-03
................\cwt_fw.m,3449,2011-05-03
................\cwt_iw.m,1778,2011-05-03
................\dft_fw.m,1288,2011-05-03
................\diff_mex.c,2146,2011-04-20
................\diff_mex.mexa64,8264,2011-04-20
................\example_trial.mat,13108,2010-04-29
................\gsynsq.fig,22968,2010-10-04
................\gsynsq.m,25634,2011-05-03
................\p2up.m,659,2011-05-03
................\plot_ext_curves.m,2092,2011-05-03
................\plot_ext_curves_cmp.m,2607,2011-05-03
................\readme.txt,2817,2011-05-03
................\synsq_adm.m,1377,2011-05-03
................\synsq_bd_loc.m,860,2011-05-03
................\synsq_cwt_fw.m,3624,2011-05-03
................\synsq_cwt_iw.m,1483,2011-05-03
................\synsq_cwt_squeeze.m,2418,2011-05-03
................\synsq_cwt_squeeze_mex.c,3324,2011-04-20
................\synsq_cwt_squeeze_mex.mexa64,12647,2011-04-20
................\synsq_filtered_time_quantile.m,2750,2011-05-03
................\synsq_filter_pass.m,1664,2011-05-03
................\tplot.m,5539,2011-05-03
................\tplot_power.m,3069,2011-05-03
................\trial_xo_signal.mat,12149,2010-04-29
................\wfiltfn.m,4785,2011-05-03
................\wfilth.m,2668,2011-05-03
util
....\equantile.m,2554,2011-05-03
....\plot_markers.m,1352,2011-05-03

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Matlab
说明：对脉搏波进行t波，r波进行检测，提取，再将特征值标注到原波形上(Detect and extract the T wave and R wave of pulse wave)

2020-03-24 16:32:06下载

积分：1
XIAOBOFJ
该程序可以实现对信号的小波分解、重构及各频带能量比分析(The program can achieve signal wavelet decomposition and reconstruction and the band energy than)

2013-05-10 15:28:34下载

积分：1
image_denoise
小波图像去噪源码，很不错，内有程序的运行结果(Image denoising source, very good, there are programs running results)

2010-10-16 13:41:23下载

积分：1
xiaobobianhuan
基于小波变换的去雾处理程序，附有实验图片，可以运行的，希望对大家有帮助！(Based on wavelet transform to fog handler, attached to the experimental images, you can run, I hope it can help you!)

2015-01-25 10:59:10下载

积分：1
Influence-of-ENSO
利用连续小波变换，交叉小波变换研究ENSO对长江流域径流的影响。(Using the continuous wavelet transform, ENSO cross wavelet transform research on the influence of the Yangtze river basin runoff.)

2013-09-25 11:43:36下载

积分：1
dbconstruction
任意阶daubechies小波函数的构造，包括尺度函数和小波函数以及滤波器系数的构造(arbitrary order PG wavelet function, including scaling function and wavelet function and the structure of the filter coefficients)

2020-11-10 20:19:45下载

积分：1
50
说明：多媒体技术的发展和视觉信息的飞速膨胀迫切需要对视觉信息资源的有效管理和检索。由此，基于内容的图像和视频检索技术得到了越来越多的重视，成为了多媒体信息检索和图像处理领域中的重要研究方向。CBIR技术将对大规模图像信息的管理和访问提供有力支持。本文这种介绍了内容图像检索的灰度特征实现方法，具有理论意义和实际应用价值。针对基于内容图像检索技术进行了研究，介绍了其研究现状和关键技术，讨论了其技术瓶颈和发展趋势。共生矩阵法，是对图像的所有像元进行统计调查，以便描述其灰度分布的一种方法。分析了这种基于广义图像灰度共生矩阵的图像检索方法，该方法首先将原图像作平滑处理得到平滑图像，然后将原图像和平滑图像组合得到广义图像灰度共生矩阵，提取该矩阵的统计特征量，最后将该统计量组成归一化向量用以检索。实验结果表明，本方法的效果要优于单纯的灰度共生矩阵法。在对相似图像检索时，该算法与基于共生矩阵的经典算法相当，在面临同一图像大小显著改变或发生旋转的情况下，该算法明显优于经典算法。相比较而言，该算法提高了检索的有效性。 (The development of multimedia technology and the expansion of visual information，which cries for the effective management and retrieval methods of visual information. Thus, the image and video searching technology based on content is gaining more and more attention to become a multimedia information retrieval and image processing in the field of important research direction. The technology of CBIR provides effective supports for the management and access of extensive image information. This paper introduced the content of the image retrieval method characteristics of gray, with theoretical and practical value. This paper does an extensive and in-depth study of technology based on content image retrieval to, presenting their research status and key technologies, discussing its development trends and technological bottlenecks. Co-occurrence matrix of all the pixel image survey has been conducted in order to describe a method of distribution of gray. This paper analyses this broad-based )

2009-10-21 11:44:54下载

积分：1
123
matlab实现的多相滤波器，cic抽取D=5时例子，及级联型的cic的程序。(matlab implementation of the polyphase filter, cic examples taken D = 5 时, and the cascade of cic procedures.)

2011-04-27 14:16:27下载

积分：1
Modern control
现代控制理论，卡尔曼滤波器设计，simulink控制仿真(Modern control theory, Calman filter design, Simulink control simulation.)

2021-03-09 18:19:27下载

积分：1
matlab小波变换程序
小波变换(wavelet transform，WT)是一种新的变换分析方法，它继承和发展了短时傅立叶变换局部化的思想，同时又克服了窗口大小不随频率变化等缺点，能够提供一个随频率改变的"时间-频率"窗口，是进行信号时频分析和处理的理想工具。它的主要特点是通过变换能够充分突出问题某些方面的特征，能对时间(空间)频率的局部化分析，通过伸缩平移运算对信号(函数)逐步进行多尺度细化，最终达到高频处时间细分，低频处频率细分，能自动适应时频信号分析的要求，从而可聚焦到信号的任意细节，解决了Fourier变换的困难问题，成为继Fourier变换以来在科学方法上的重大突破。(Wavelet transform (WT) is a new transform analysis method. It inherits and develops the idea of localization of short-time Fourier transform and overcomes the shortcomings that window size does not vary with frequency. It can provide a frequency-dependent The Time-Frequency window is ideal for time-frequency analysis and processing of signals. Its main feature is that by transforming some features that can fully highlight some aspects of the problem, the localization of the time (space) frequency can be analyzed, and the signal (function) can be gradually and multi-scale refined by the scaling operation, finally reaching the high frequency Time subdivision, frequency subdivision at low frequencies, can automatically adapt to the requirements of time-frequency signal analysis, which can focus on any details of the signal to solve the difficulties of Fourier transform has become a major breakthrough in the scientific method since Fourier transform.)

2018-03-05 14:32:13下载

积分：1

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