But the demand of recording far-field wavelet can't be met when water depth is only tens meters in ultra-shallow sea area.
但是在水深只有几十米的极浅海海域，无法满足记录远场子波的要求。
A simple method for wavelet simulation was presented. Shape and spectrum of the wave simulation are very similar to the known far -field wavelet. It can meet the need of Marine seismic exploration.
提出一种简单的子波模拟方法，由此得到子波的形态和频谱与已知远场子波相似，可以满足海上地震勘探的要求。
Wavelet analysis is a novel research field in the world. To study the new theory, methods and applications of wavelets is of great theoretical significance and practical value.
小波分析是国际上新兴的一个前沿研究领域，研究小波的新理论、新方法以及新应用具有重要的理论意义和实用价值。
Convolution method is a filtering method used to extract fault information from observed gravity field by adopting known theoretical wavelet.
褶积法是用已知理论子波从重力观测场中提取断层信息的一种滤波方法。
It is an attractive application field for wavelet transform because the signal is expressed by the comprehensive behavior of wavelet transform of singularity spot in multi-dimensional space.
由信号小波变换的奇异点在多尺度上的综合表现来表示信号是小波变换引人注意的另一应用领域。
Through the multiresolution decomposition and compression of operator matrix and seismic wave field matrix, we proposed a new method of seismic modeling in wavelet domain.
通过对算子矩阵和地震波场矩阵进行多分辨分解和压缩，得到了小波域中地震波场正演模拟算法。
Moreover, based on the analysis of the existed wind field retrieval methods of single Doppler radar, we derive a novel algorithm for wind field retrieval from wavelet analysis.
此外，在对现有的单多普勒雷达风场反演方法进行对比分析的基础上，提出了一种基于小波分析的单多普勒雷达风场反演方法。
The time domain field distribution on the surface of Huygens' box was decomposed using wavelet, and the quantified coefficient of the wavelet decomposition was saved.
利用小波分解对惠更斯表面的时域切向场分布进行分解，存储经过阈值量化后的小波系数达到压缩编码的目的。
Study the international research in the field, it has used surface acoustic wave device or switched-capacitor circuits to realize wavelet transform and its reconstruction devices.
从目前国内外对该领域的研究状况来看，已经有应用声表面波器件及开关电容电路进行小波变换及重构器件的实现。
The studies of the wavelet structures of the molecular excitations with the high intense laser are very active in the strong laser field physics.
利用强激光场电离和离解分子来研究分子激发态的波包结构是强场物理的重要研究方向。
But now the field is finite that wavelet analyses is used in the ultrasonic testing signal processing, and the problem of selecting the best wavelet didn't be considered in the application of wavelet.
但目前小波分析处理超声检测信号的应用领域还很有限，并且应用过程中没有考虑最优小波基的选取问题。
The technique of wavelet transform has been applied and studied in the image coding field extensively because of its good feature of time-frequency and human visual system.
小波变换技术以其良好的空间—频率局部特性和与人眼视觉特性相符的变换机制，在图像编码领域得到了广泛的应用和研究。
Aiming at a common copy-paste forgery in the research field of digital image forensics, this paper proposes a detection approach based on wavelet transform and singular value decomposition.
针对数字图像取证中一类常见的复制粘贴图像伪造，本文提出了一种基于小波变换和奇异值分解的检测算法。
The zero-crossing of the wavelet transform of the normal person pulse-wave is found out as a fact that its the wavelet transform coefficients correspond strictly to its time field characteristic.
分析了正常的人脉搏信号的小波域特征，发现脉搏信号的时域特点严格对应于其小波变换的过零点。
A regularized image restoration is the optimization for some conditional constraint, and the selection of wavelet coefficients based Bayesian statistic is on the image random field view.
正则化图像恢复是条件约束的最优化问题，而小波系数的贝叶斯统计选择是基于图像的随机场观点。
In the oil and gas exploration field, high-resolution seismic wavelet extraction technology is the important research project, which is urgent to be solved.
高分辨率地震子波提取技术是油气地震勘探领域高分辨率处理技术亟待解决的重要研究课题。
An image coding method is introduced in the field of image engineering which is a new and efficient image coding technique i. e. Embedded zero-tree wavelet EZW image coding.
介绍了图像工程领域里新颖有效的嵌入式零树小波ezw图像编码方法。
According to the characteristic of shaft-rate electric field of ships, the recognition and classification methods of ship targets based on wavelet transform and neural network were proposed.
根据舰船轴频电场信号的特点，提出了基于小波变换和神经网络的目标识别和分类方法。
The application of wavelet theory in signal processing in mechanical engineering field is also discussed and a practical technique for signal singularity detection is proposed.
研究小波分析在机械工程信号处理中的应用，提出通过二进小波变换检测信号奇异点的实用技术。
According to the characteristic of the shaft-rate electric field of a ship, this paper proposes a detection method for the target signal based on the wavelet transform.
根据舰船轴频电场信号的特点，提出了基于小波变换的目标信号检测方法。
The zero-crossing of the wavelet transform of the normal personpulse-wave is found out as a fact that its wavelet transform coefficientscorrespond strictly to its time field characteristic.
分析了正常人脉搏信号的小波域特征，发现脉搏信号的时域特点严格对应于其小波变换的过零点。
Integrating the statistical characteristics of speckle noise in SAR images with wavelet-domain Markov random field (MRF) structure of images, a new wavelet-domain spec.
基于图像在小波域的马尔可夫随机场模型(MRF)结构，结合SAR图像中相干斑噪声的统计特性，本文提出了一种新的小波域相干斑抑制方法。
According to the collected field data of blasting vibration, the time-frequency characteristic analysis for blasting vibration signals is made by use of the wavelet packet analysis technology.
基于现场实测爆破振动数据，采用小波包分析技术对爆破振动信号进行了时频特征分析。
Based on the redundancy of spherical wavelet transformation we proved that using spherical wavelet to approximate the earth gravity field has the least square properties.
将这种方法用于卫星跟踪卫星，建立了地球重力场逼近的多尺度方法。5 .基于球面小波变换的冗余性，证明了利用球面小波进行重力位逼近具有最小。
Based on the redundancy of spherical wavelet transformation we proved that using spherical wavelet to approximate the earth gravity field has the least square properties.
将这种方法用于卫星跟踪卫星，建立了地球重力场逼近的多尺度方法。5 .基于球面小波变换的冗余性，证明了利用球面小波进行重力位逼近具有最小。
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