搜索资源列表
wavelet97
- 利用97小波变换进行图像压缩,用matlab仿真,实验证明它具有较高的压缩比-using wavelet transform image compression using Matlab simulation experiment to prove that it has a higher compression ratio
tuous
- 我编写的利用trous(多孔算法)实现小波变换,利用‘db4’小波函数分解两层,其中卷积运算采用频域的fft算法,给出了仿真信号的处理结果。-prepared by the use of trous (porous algorithm) to achieve wavelet transform, use 'db4' wavelet decomposition layers, which used convolution operators fft the frequency do
wannnpid532
- 完善网络结构将RBF网络的径向基换成小波函数,调整权值以及公式的变更, 可望在仿真结构中添加非奇异项以验证小波网络的辨识精度和能力,输入层加权值进行调整~..~-to improve the network structure of the RBF network replaced wavelet Radial Basis Functions, value and the right to adjust the formula change, the simulation structure
tuxiangfuyuan
- 该程序为盲源分离的仿真程序,对卷积模型的混合图像信号进行分离-The program for the blind source separation of the simulation program, a mixed model of convolution image signal separation
matlabEcg01
- 关于心电信号的仿真模型,包括滤波、平滑等信号处理-On the ECG of the simulation model, including filtering, smoothing and other signal processing
matlabECG02
- 心电信号仿真数学模型建立,包含心电图波形的检测-ECG simulation of mathematical model-building, including the detection of ECG waveforms
walelet-line
- 使用小波变换提取信号的特征值,实现故障信号的视频分析,利用matlab进行仿真,证明判据的真实可信-wavelet based fault line detection
cdm-and-littlewood
- 该程序是利用matlab来对一个序列dcm差分编码,也包含译码程序。可用于通信仿真.同时包含一个小波仿真的例程-This function use matlab to simulate the function of dcm, this can be used in communication simulation.
xiaobo
- 资料中含有几篇经典的关于基于小波的时频分析技术及其发展现状,并配有一个简单的matlab小波仿真程序。-Information contained several classic on the frequency analysis of wavelet-based technology and its development status, and with a simple wavelet matlab simulation program.
小斜视角RDA
- 利用MATLAB仿真小斜视角情况下理想点目标的合成孔径雷达回波数据,并利用RDA算法进行点目标成像。(the echo data of the ideal point target from small oblique Angle is simulated, and the target image is obtained by using RDA.)
参考
- 里面包含了本人做小波课题的实例,程序完整,实例清楚,仿真结果也有,文字说明也有,欢迎下载学习参考(Which contains examples of wavelet I do, the program integrity, clear examples, simulation results also have, text descr iption also, please download the study reference)
Desktop
- 小波脊仿真,别人写的,仅供参考,不是我想要的那种,不用下载。(rigid simulation Wavelet ridge extraction in a single ridge with ridge extraction procedure)
3971002xiaobo
- 小波变换分析,含有小波源程序和仿真主程序,适用于非平稳冲击振动信号的时频特性分析。(The wavelet transform analysis, which contains the small wave source program and the simulation main program, is suitable for the analysis of the time-frequency characteristic of the nonstationary shock vibra
故障诊断与容错控制课程设计报告
- 针对滚动轴承这种非平稳振动信号采用的小波包分解的方法来检测故障的存在,运用神经网络来实现故障的分类,还结合D-S理论融合了多个传感器的诊断结果,提高了故障诊断的准确性并通过实验仿真证实。(This course's job is to use the wavelet packet decomposition method for non-stationary vibration signals of rolling bearings to detect the presence of fault
小波神经网络
- 小波神经网络动量修正的matlab仿真程序
MATLAB
- matlab仿真小波变换实现语音增强源码(Matlab wavelet transform to achieve speech enhancement source code)
simu
- 脉象信号去除基线漂移simuink仿真,小波变换去除基线漂移(Simink simulation of removing baseline drift from pulse signal,Removal of Baseline Drift by Wavelet Transform)
FIR,IIR滤波器对语音信号的滤波处理matlab仿真
- 本资源实现了基于LSB算法的语音信号的数字水印,内有测试的载体音频,水印音频,代码几乎每一句都有详细的解释,采用了重新量化,使得载体的数据量和水印的数据量不易冲突,附GUI。另外还加入了两种抗干扰处理,一种是低通滤波,另一种是30db的高斯白噪声,外带一段录音的小程序。LSB由于其本身的特点,对两种攻击的抵抗都不是很好。另外,我还有一个资源是关于DWT小波变换的,可以去看看,DWT方法相比于LSB方法的抗干扰性强了不是一点半点。
心电信号检测与分类算法的研究
- (1)心电信号预处理 心电信号是一种低频且含有众多噪声干扰的信号。针对心电信号存在的 噪声干扰问题,本文采用了平稳小波变换结合双变量阈值的方法对其进行去 噪处理。通过对心电信号进行八层平稳小波变换,得到不同的小波系数,采 用双变量阈值函数表达式对其进行处理得到新的小波系数,最后进行逆平稳 小波变换实现小波重构,完成心电信号去噪。Matlab 仿真结果显示,本文算 法的准确率较高,信噪比达到 84.5934dB。 (2)心电信号波形识别 反映心电信号的特征部分往往是信号的突变点,因此需
dt-cwt
- 能够实现双树复小波包变换,有一段仿真例子可以供大家参考(Realization of dual tree complex wavelet packet transform)