小波变换

用小波变换结合神经网络检测ECG信号的P波

Detection of P Wave Through Wavelet Transform and Neural Network

用FPGA实现（5,3）小波变换

Accomplish of ( 5,3 ) wavelet transform with FPGA

光学小波变换（OpticalWaveletTransform）是基于小波变换的基本理论利用光学技术与方法对信号与图象的小波变换处理。

Optical wavelet transform realize wavelet transform of signal and image through optical technology and method-based wavelet transform theory .

对Fourier变换、Gabor变换和小波变换进行比较。

Fourier transform , Gabor transform and wavelet transform were compared .

提出了应用DSP处理器实现二维离散小波变换，进行图像的压缩存储的解决方案；

A DSP solution for image compression using two-dimension discrete wavelet transform is proposed in this paper .

小波变换在埋弧焊V型坡口信息检测中的应用

The Application of Wavelet Transform in Signal Detecting of Visual Sensor Used in V-Groove Submerged Arc Welding

窗口Fourier变换与小波变换

Windows Fourier transform and wavelet transform

离散小波变换（DWT）是有效的DSP工具。

The discrete wavelet transform ( DWT ) is an efficient DSP algorithm .

一种基于FFT计算离散小波变换的方法

Discrete Wavelet Transform Algorithm-Based on Fast Fourier Transform Algorithm

分析结果表明，Harmonic小波变换在不同频率处时间及频率分辨率均保持不变。

The results showed that the time and frequency resolution hold the line in different frequency when using Harmonic wavelet transform .

文章主要提出了一种新的基于小波变换对高分辨率合成孔径雷达（SAR）图像相干斑噪声抑制的算法。

This paper mainly deal with a new speckle reduction algorithm in high resolution SAR images based on wavelet transform .

VLSI可编程整数小波变换处理器

VLSI programmable integer wavelet transform processor

提出一种基于色彩空间变换和离散小波变换（DWT）的彩色图像水印算法。

A color image-watermarking algorithm based on color spatial conversion and DWT is proposed .

把小波变换技术和移动窗口积分技术应用于心电信号（ECG）的QRS波的起、终点检测。

Wavelet transform and moving window integration were used to detect the onset and offset of QRS wave of ECG .

整数Haar小波变换及其在无失真图像压缩中的应用

Integer Haar Wavelet Transforms and lossless Image Compression

（9,7）小波变换的MMX实现方法

( 9,7 ) wavelet transform implementation based on Intel MMX technology

第六章提出了基于Haar小波变换的图像无失真压缩编码算法。

In chapter 6 , the image lossless coding algorithm based on Haar wavelet transformation are discussed .

小波变换（wavelettransform，WT）作为在Fourier变换的基础上发展起来的新型学科，经过十多年的发展，在许多学科得到广泛应用。

The wavelet transform as a new-type subject which comes from Fourier transform has been used widely in a lot of subjects and fields after more than ten years of development .

利用小波变换实现图像的多分辨率分解，然后再对变换后的小波图像进行动态Huffman编码，最终实现压缩比较大的图像无失真压缩编码。

Wavelet transform was involved in multi-resolution dissection , and then dynamic Huffman code was performed to gain expected image .

通过由Gabor小波变换系数表示的若干个人脸模板和人脸图像之间的匹配来确定特征点的近似位置；

Facial feature points are located roughly through the matching between certain face templates which are represented by Gabor wavelet transform coefficients and a face image .

提出了基于小波变换的生理信号预处理算法，并采用本文预处理算法对真实采集到的生理信号进行了预处理，提出了自适应小波变换模极大值的R波提取算法。

We proposed a physiological signal preprocessing algorithm based on wavelet transform . Preprocessing the acquired physiological signal with our algorithm , we propose an algorithm of R wave extraction by self-adaptive wavelet transform for the subsequent analysis .

结合二树复数小波变换和H？Curve准则做了相关的去噪实验，对实验结果进行了分析比较，说明本文算法能取得更好的去噪效果。

So combing the dual-tree complex wavelet transform and H-Curve criterion , some relative denoising tests are carried out , and after the results are analyzed and compared , it shows that this algorithm can produce a better denoising effect .

针对小波变换多分辨分析（MRA）的特点，本文提出一种多尺度分级的自适应模糊权重中值滤波的去噪方法。

According to the feature of the MRA , this paper presents a noise filtering method of adaptive fuzzy threshold for wavelet classification base on multi resolution .

小波变换提供品质因数Q恒定的滤波器分析，能够精细刻化M电平相移键控（MPSK）信号在码元转换时刻的相位跳变。

Wavelet transform ( WT ) provides a constant-Q filter analysis that is suitable for transient detection and characterization of M-ary phase shift keying ( MPSK ) signal .

对于SAR原始数据，主要研究了基于变换域的压缩算法，如基于提升小波变换和基于离散余弦变换的量化与编码算法等；

For the SAR raw data , the dissertation mainly discusses data compression algorithms in the transform domain , such as , algorithms based on the lifting wavelet transform or discrete cosine transform ( DCT ) .

由小波变换编码实现的视频压缩在具备高压缩比的基础上，仍拥有较高的主观视觉效果，避免了由分块DCT变换引起的方块效应。

An advantage of wavelet-based Video compression is that it offers more graceful image degradation at high compression ratios , and it also eliminates the block artifacts seen in DCT compression .

进而讨论了基于IHS变换的图像融合算法，并依据实验结果选定了最优的IHS融合形式；讨论了基于小波变换的融合算法，并对融合过程中小波基及分解层数的选择进行了研究；

Then discussed some fusion algorithms based on the IHS transform , and found out the best IHS fusion model according to the experiment results ;

分析了短时傅立叶变换（STFT）、维格纳瑞利分布（WVD）及小波变换（WT）等时频分析方法各自的特点。

The characters of short time Fourier transform ( STFT ), Wigner Ville distribution ( WVD ) and wavelet transform ( WT ) are analyzed .

通过对信号作固定尺度下的小波变换，提取PSK信号符号间的相位瞬变信息。

Through obtaining WT 's coefficient of PSK signals , the phase changes between different symbols can be effectively extracted . Information collection and using ;

小波变换是一个时间和频率的局域变换，因而能有效的从信号中提取信息，通过伸缩和平移等运算功能对函数或信号进行多尺度细化分析，解决了Fourier变换不能解决的许多困难问题。

Wavelet transform is a time and frequency local transformation and it can withdraw the information from the signal . Through the calculate function making the muti-scale analysis it resolves many difficult problems which Fourier transformation can 't resolve .