搜索资源列表
waveltnpurpose
- 该程序的功能是用小波实现图像去噪的目的,主要是自然图像,-The function of the program is the purpose of image denoising with wavelet, mainly is the natural images,
TUSLMCH3
- 该程序的功能是用小波实现图像去噪的目的,主要是自然图像,-The function of the program is the purpose of image denoising with wavelet, mainly is the natural images,
基于小波变换的不同小波基去噪
- 包含不同小波基对图像去噪效果的仿真程序及结果，包含信噪比源程序。(Including different wavelet base image denoising effect of the simulation procedures and results, including signal to noise ratio source.)
MATLAB图像与视频处理实用案例详解试读样章
- 详细讲解了25个MATLAB图像与视频处理实用案例（含可运行程序），涉及雾霾去噪、答题卡自动阅卷、肺部图像分割、小波数字水印、图像检索、人脸二维码识别、车牌定位及识别、霍夫曼图像压缩、手写数字识别、英文字符文本识别、眼前节组织提取、全景图像拼接、小波图像融合、基于语音识别的音频信号模拟灯控、路面裂缝检测识别、视频运动估计追踪、Simulink图像处理等多项重要技术(Explain in detail the 25 MATLAB image and video processing utility
齿轮箱信号处理
- 齿轮箱信号分析处理，去噪处理，小波分析，功率谱分析(Gearbox signal analysis and processing, denoising, wavelet analysis, power spectrum analysis)
--4层--db4--20db--
- 小波阈值去噪，小波变换是一种信号的时间——尺度（时间——频率）分析方法，它具有多分辨分析的特点，而且在时频两域都具有表征信号局部特征的能力(Wavelet threshold denoising)
Weak signal detection
- 针对强噪声背景中弱信号检测问题，在传统检测方法基础上，提出了基于联合去噪和频率调制的微弱信号检测方法。搭建自相关和小波阈值变换联合去噪系统，极大程度抑制了噪声对检测结果的不利影响。利用频率可调标准信号调制待测信号频率，使得被测信号与检测系统策动力信号的频率差满足检测条件，打破了利用Ｄｕｆｆｉｎｇ 振子检测系统只能检测与系统策动力频率相近信号的限制。(In order to solve the problem of weak signal detection in strong noise bac
WPsvdquzao
- 主要用于对含有噪声的信号进行降噪处理，先小波包降噪再奇异值降噪(It is mainly used to denoise the signal containing noise. First, the wavelet packet de-noising and then the singular value denoising)
自建小波去噪函数库
- 采用bmde算法计算阈值完成小波去噪，并对去噪效果进行评价(The bmde algorithm is used to calculate the threshold of wavelet de-noising, and the denoising effect is evaluated.)
faultysignal_with_noise
- 1. 构造含噪音的振动信号 faultysignal_with_noise， 2. 利用小波变换 Wavelet transform去噪，小波包 Wavelet packet transform 变换去噪， 3. 把两种去噪后的信号，分别用STFT ,FFT ,小波变换三种方法进行错误诊断(1. the vibration signal faultysignal_with_noise, which contains noise, is constructed. 2. using wavelet
小波去噪
- 利用matlab小波分析去噪 的方法 一阶小波去噪分解(Denoising using matlab wavelet analysis)
新的小波去噪程序
- 通过分析硬阈值函数的数学特性，并考察其对电能质量扰动信号的去噪过程可知， 该算法仅简单的对小波系数进行剔除与保留，在抑制噪声的同时也容易将突变点去除， 最终导致扰动定位失效，不利于分析电网故障的类型以及发生的起止时刻。(By analyzing the mathematical characteristics of the hard threshold function and investigating its denoising process to the power quality
小波去噪matlab程序
- matlab小波阈值去噪程序，设置信噪比(Matlab wavelet threshold denoising program, setting SNR.)
emd+奇异值差分谱
- 调用程序可对信号进行EMD分解，再进行奇异值分解降噪(The calling program can decompose the signal by EMD, then the singular value decomposition and denoising 2D empirical wavelet program. The calling subroutine can perform the empirical wavelet transform on the image.)
xiaobo
- 小波改进阈值去噪，并分析去噪后信号的信噪比和均方误差(Improving threshold denoising by wavelet transform and analyzing signal-to-noise ratio and mean square error of denoised signal)
dizhen4
- 基于matlab的多道地震信号合成，涉及雷克子波与反射系数，还有地震信号的加噪与去噪(Multichannel seismic signal synthesis based on matlab involves Rayleigh wavelet and reflection coefficient, as well as noise addition and denoising of seismic signal.)
小波变换
- 做地震数据处理的去噪程序，通过原始信号，加噪声的信号，以及小波变换的信号进行比较分析，并生成图像。(Do the denoising program of seismic data processing, compare and analyze the original signal, noise signal and wavelet transform signal, and generate the image.)
毕业设计（论文）-基于MATLAB小波变换的去噪应用
- MATLAB小波变换降噪，内附完整代码。有需要的可以下载看看。(Matlab wavelet transform denoising)
小波实验
- 哈尔小波转换 一维信号与二维图像的三级分解 信号去噪与重构 morlet小波连续小波变换(Haar wavelet Three level decomposition of one dimensional signal and two dimensional image Signal denoising and reconstruction morlet wavelet continuous wavelet transform)
软硬阈值函数及示例
- 小波阈值滤波去噪算法中，使用的软硬阈值函数、改进半软阈值函数及示例(In wavelet threshold filtering denoising algorithm, the soft and hard threshold function, improved semi soft threshold function and examples are used)