子波
- wavelet
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用直方图加子波增强炭素材料X射线图像
Using Histogram and Wavelet Fusion to Enhance X-ray Images of Carbon Material
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子波处理方法的研究NET实现上述功能。
On wavelet processing NET programming .
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用子波变换提取CO2焊焊穿信息特征的研究
Study on characteristics extraction of burn through in CO 2 welding by wavelet transform
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基于子波变换的SAR图像边缘提取研究
SAR Image Edge Withdraw Research Based on Wavelet Transform
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合成地震记录的子波选择和脉冲函数的确定PC1500计算机应用一例
Wavelet selection of synthetic seismic records and determination 0f impulse function & an example of PC-1500 Computer Application
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文章最后结合九类自然纹理图像,分别基于标准子波特征、子波包特征用BP神经网络进行了分类识别。
Finally , nine kinds of natural images are classified successfully based on wavelet feature using BP neural network .
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本文介绍用子波变换法(wavelettransform,WT)进行非特定人汉语四声的识别。
In this paper , a method of tone recognition of Chinese based on wavelet Transform was introduced .
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Bark子波变换的改进及其在水声目标分类中的应用
Improvement of Bark Wavelet Transform and Its Application in Underwater Acoustic Targets Classification
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二维正交子波变换的VLSI并行计算
VLSI Parallel Computation of 2-D Orthonormal Wavelet Transform
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这里的系统参数是指ARMA子波参数。
Here , the system parameters mean ARMA wavelet parameters .
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该文在Bark子波的构造的基础上,提出一种改进的子波变换。
This paper describes a new wavelet transform and its application in underwater acoustic targets classification .
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光学FT和子波变换在指纹实时识别中的应用研究
Research of application of optical Fourier transform and wavelet transform for real time fingerprint recognition
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带时间参量t~产的Fourier变换只能分辨不同震相的子波频谱,但不能从根本上把不同的子波分开。
Fourier transform with time parameter t favours identifying the wavelet frequency spectra of different phases , but fails to part different wavelets .
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VSP资料中震源子波的分析和处理
The analysis and processing of VSP source wavelet
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一种VSP子波整形方法
A method for VSP wavelet shaping , OGP
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多尺度方程的求解是子波与多分辨分析的基础,本文提出了用M-带子波神经网络求解多尺度差分方程(MultiscaleDifferenceEquation,MSDE)的新方法。
In this paper , a new method for solving multiscale difference equation by the M-band wavelet neural networks is proposed .
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VSP子波反褶积及其效果
Wavelet deconvolution of VSP and its effects
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水文序列Hurst系数的子波估计
The wavelet estimation of Hurst coefficient in hydrological time series
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输入图像尺寸和伸缩因子对二维Morlet子波变换的影响
Effect of input image size and elastic factor on 2D Morlet wavelet transform
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先测定一个于波标准到达时间的相位移曲线,并与实际记录比较,求出子波延迟时间t和相位移r以及角频率ω;
Standard phase shift curves of a wavelet are determined , then compared with real seismic wavelet so as to pick the delay time t , phase shift r and circular frequency ω;
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在Cauchy准则稀疏反演求解中,应用预条件共轭梯度法实现反射系数和子波同时迭代反演。
Under the Cauchy criteria , estimating reflectivity and wavelet simultaneously is implemented by the Pre-conditional Conjugate ( PCG ) schemes .
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基于光学子波变换的SDF匹配滤波器
SDF matching filter based on optical wavelet transform
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基于子波变换及其WD倒谱法的肾组织超声散射微结构特征分析
Analysis of ultrasonic backscattering microstructural feature of human kidney based on wavelets transform and WD cepstrum
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利用WD的这些特性,可以对测井信号进行子波分离和波速估计。
These properties can be used to estimate wave velocity and to separate wavelet from well-logging signal .
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从时间域和深度域的地震波场描述出发,对深度域的子波、褶积和Fourier变换等基本问题,进行分析探讨。
Based on the description of seismic wave field in time domain and depth domain , this paper discusses basic problems in depth domain such as wavelet , convolution , Fourier transform .
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提出了一种用于直接扩频通信系统(DSSS)快速捕获,新型组合声表子波(SAW)卷积器序列搜索码捕获方案。
A new combined Surface Acoustic Wave ( SAW ) convolver , or a serial searching code acquisition scheme for direct sequence spreading spectrum ( DSSS ) communication system is presented .
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Ricker子波和衰减余弦子波的等熵时频分布
Isentropic time frequency distribution of Ricker wavelet and attenuation cosine wavelet signals
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在水文序列的研究中引入了Hurst系数的子波估计法;
In order to describe the correlative configuration of annual flow peak series , the wavelet estimation method of Hurst coefficient is introduced .
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一维谐振子不确定关系的一种简明推导方法简谐振子波函数的代数解及Hermite多项式的递推
A Simpler Deduction of the Uncertainty of the One-dimensional the Harmonic Oscillator ; Algebraic Approach to Wave Function of Harmonic Oscillator and Recursion Relations of Hermite Polynomial
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用子波分析法研究Sitka台地磁长期变中的加速度阶跃
Detection of geomagnetic jerks for the Sitka Observatory using wavelet analysis