wavelet transform的例句大全

They are the method of wavelet transform filter, the method of soft or hard threshold noise reduction, and the method of modulus maximum value.

软、硬阈值消噪法；基于模极大值的小波去噪方法，进行了比较研究。

Second, under the bridge to monitor signal and the characteristics of wavelet transform features, wavelet transform modulus maxima de-noising and wavelet threshold de-noising the signal, and compares three different threshold de-noising results.

其次根据桥梁监测信号的特点结合小波变换的特性，采用小波变换模极大去噪和小波阀值对信号进行去噪处理，并比较了三种不同阀值去噪方法的结果。

With wavelet transform, the accuracy of feature of feature parameter detecting of emission signal has nothing to do with threshold level switch, so the sensitivity of feature parameter detecting of emission signals is improved.

用小波变换来检测声发射信号的事件计数特征参数，其准确率与域值电平的取值大小无关，从而可大大提高声发射信号特征参数检测的准确率。

The tidal period is decomposed from the in-situ observation time series through wavelet transform analysis and empirical mode decomposition.

通过小波变换和经验模分解变换的方法，从原位观测时间序列中解析出潮汐周期。

Discrete wavelet transform has tight relationship with filter banks in born. Multi-resolution analysis showed QMF banks are equivalent to quadrature wavelet transform.

滤波器组理论与离散小波变换有着天然的联系，正交小波多分辨分析理论明确地指出共轭镜像滤波器完全刻画了标准正交小波变换，而且快速离散小波变换可以通过级联这些共轭镜像滤波器运算来实现。

The fast wavelet transform ( FWT) algorithm in wavelet analysis was introduced in the paper. With quadrature mirror filters ( QMF) associated with popular wavelet bases, the fast wavelet decomposition and reconstruction for signals were implemented.

介绍了小波分析中的快速小波变换算法，通过与常用小波基相对应的正交镜像滤波器组，实现了对信号的快速小波分解和重构。

The concept of-the discrete case of continuous wavelet transform in time-scale plane is introduced.

接着对连续子波变换在时间尺度平面上的离散化的概念作了扼要描述。

Moreover, in combination with the reliability measure, a multi-level simultaneous time differential is performed for the reliable light-stream constraints of the images via the rapid wavelet transform.

同时结合可靠性检验，对通过了可靠性检验的光流约束利用快速的小波变换，进行多层并行的时间微分。

The time frequency distribution of radar echoes of airplanes has been analysised by the wavelet transform.

本文利用小波变换对五种飞机目标的雷达回波进行时频分析，得到了回波信号的时频分布图。

Our analysis indicates that multiresolution analysis has the disadvantage of miss some scatterers, especially for relative regular scattering, however, using the time frequency graph of continuous wavelet transform can obtain the better result.

分析结果表明，对规则性较强的散射体用多分辨分析容易产生漏检，而利用连续小波变换时频图则可以得到较好的效果。

Real Time Pattern Recognition with BR Based Joint Wavelet Transform

基于菌紫质膜联合子波变换的实时模式识别

Redundant Haar wavelet transform and time series forecasting based on improved lifting scheme

基于提升方案的冗余Haar小波变换与时间序列预测

Kalman Filtering in Satellite Time Transfer Based on Wavelet Transform

基于小波变换的卡尔曼滤波卫星授时方法

Implement an arithmetic of detecting ECG waves, using wavelet transform combined with the time-domain analysis.

研究中以小波变换为基础，结合时域分析技术，实现了完整的心电波形检测算法。

Results showed that wavelet transform could be used to improve signal-to-noise ratio and to provide more perfect time-domain and frequency-domain information than conventional signal processing methods.

结果表明，在对小波系数的合理解释情况下，小波变换能有效地提高信噪比，并能提供比传统方法更为完整的时域和频域信息。

Lifting wavelet transform is a new wavelet transform method that can not use Fourier transform as major analysis tool. it can construct directly the wavelet in time-domain and frequency-domain.

提升小波变换是一类不依赖傅立叶变换的小波变换新方法，可以在时域或空域中直接实现小波的构造。

Determination of potentiometric titration end-point by using continuous wavelet transform

连续小波变换用于滴定终点的确定

A new algorithm for digital image watermarking based on binary operation in the wavelet transform domain is proposed, and the original image is not required for detecting the watermark.

研究了在数字图像中实现水印的方法，提出了一种在小波变换域内基于二值运算的数字图像水印嵌入与检测算法，且水印的检测不需要原始图像。

An adaptive digital image watermarking algorithm based on binary discrete operation was proposed in the wavelet transform domain.

论文提出了一种在小波变换域内基于二值离散运算的自适应数字图像水印算法。

Analog CMOS High-Frequency Continuous Wavelet Transform Implementation by Instantaneous Companding Circuit

瞬时缩展模拟CMOS高频连续小波变换电路