1.
Comparative Study on Continuous and Discrete Wavelet Transform for Low Signal-to-noise Ratio Signal
低信噪比信号的连续与离散小波变换比较研究
2.
contrast variation
对比（度）变换（法）
3.
The Application and Comparison of Fourier Transformation and Laplace Transformation in Differential Equation;
Fourier变换与Laplace变换在求解微分方程中的比较
4.
A Comparison of Application to Harmonic Analysis by Wavelet Transform and Fourier Transform
小波变换与傅立叶变换在谐波分析中应用比较
5.
A scaling transformation only alters the size of an object.
（比例变换仅改变一个物体的大小。）
6.
The rates could become lower by the time the automatic conversion is made.
当自动转变的时候，转换比例可能更低。
7.
Using Walsh transform to improve signal-to-noise ratio of seismic data
利用沃尔什变换提高地震资料信噪比
8.
Comparison between two ZVS modes of AHB DC/DC converter
2种ZVS方式AHB直流变换器比较
9.
Comparison of Dual Switch Flyback DC/DC Converters based on NCP1207 and UC3844
基于NCP1207与UC3844的双管反激变换器比较
10.
A high efficiency, high step-up FlyBoost converter
一种高效、高增益比FlyBoost直流变换器
11.
A Novel Method of Aspect Ratio Conversion Based on Region of Interest
基于感兴趣区域的幅型比变换新方法
12.
Comparison of Fourier Transforms and Continuous Wavelet Transforms on Three Concrete Signals;
连续小波变换与几种具体信号的傅立叶变换的比较
13.
Comparative Study on Decreasing Noise Between Wavelet Transform and Fourier Transform;
小波变换与傅立叶变换在信号消噪中的对比研究
14.
Comparison of wavelet transform and Fourier transform in analyzing signal frequency;
小波变换和傅立叶变换在信号频率分析中的比较
15.
Comparative Study on WPT and DWT Based Techniques for Harmonic Measurement
对比研究基于小波包变换和离散小波变换的配电网谐波检测技术
16.
Research and Comparison on the Application of Hilbert-Huang Transform and Wavelet Transform to Fault Feature Extraction
希尔伯特-黄变换与小波变换在故障特征提取中的对比研究
17.
The Semantic Structure of Sentence with Words of Comparison and Its Connection with Two Altered Diverged Changes of Meaning;
比字句的语义结构以及与两种变换歧变的联系
18.
Research on the variation law of transmission ratio and frame alternation of planetary gear train
行星轮系的机架变换与传动比变化规律的研究