在相干声场中,很难将各个声源产生的声压分离开来,所以常规波叠加法不能用于相干声场的全息重建与预测。
The routine wave superposition approach cannot be used in reconstruction and prediction of a coherent acoustic field, because it is impossible to separate the pressure generated by individual sources.
实验结果表明,对富含直线边缘的图像来说,与小波图像编码算法相比,该算法获得了较高的边缘重建质量。
Experimental results show that for the straight line-rich images this algorithm can get better edge reconstruction quality compared with the traditional wavelet-based image coding.
算法结果,相比通常所使用的基于可分离MRA的小波重建算法基本相同的局部重建特性,重建质量和运算速度都优于后者。
This algorithm not only has the same local reconstruction characteristics with the algorithm based on separable MRA, but have better image quality and can be obtained by shorter working time.
小波框架的冗余可导致鲁棒性,冗余使得低精度下获得的小波系数能在相对高的精度下重建原始信号。
Wavelet frame redundancy leads to robustness, that wavelet transform coefficient obtained in low accuracy can be used to reconstruct original signal in comparative high accuracy.
钻孔电磁波法有“不完全投影数据的重建图象”的问题,此问题可用压缩恢复法来弥补。
In the borehole electromagnetic wave techniques exist problems on "Imagereconstruction from incomplete projections data", the problems can be treated via "Squashing".
小波变换提供了一种图像的多分辨率分解重建的表示形式,这种小波分解能够有效的利用人类视觉系统的特性压缩图像。
Wavelet provides a compact multi-resolution representation and reconstruction of image, which makes it possible to exploit the property of Human Visual System for image coding.
乔治,玛萨,帕特茜和约翰组成了新家庭。婚后不久,一家人在波拖马可河畔的维尔努山的乔治庄园重建了他们的家园。
The new family consisted of George, Martha, Patsy, and John who soon after the marriage made their home at George's estate, Mount Vernon, on the Potomac River.
在算法中,小波滤波器直接修正重建滤波器,重建得到各种细节图像,并能快速地得到重建图像的轮廓。
The filters of reconstruction are revised directly by wavelet filters in this algorithm and the reconstruction gives us various detail images and coarse images very quickly.
以其他波段的几何信息辅助噪声污染波段重构,经过相应的小波重构滤波器滤波,获得该波段图像的重建以进行消噪。
Assisted by other bands high frequency geometric information, reconstruct noise band image with wavelet reconstruction filter to de-noise noise band image.
研究了VR - GIS地质地形景观重建中,运用小波变换进行地质图像的无损压缩、分解和增强的处理。
Wavelet transform is applied to compress and decompose and buildup geology image without losing the information, etc. in the VR-GIS geology landscape reconstruction in this paper.
分析了小波双线性插值中高频外推阈值门限与重建图像峰值信噪比的变化关系,提出了峰值信噪比最大小波双线性插值迭代算法。
The variable relationship between the threshold of the extrapolation and its correspondent Peak of the Signal-to-Noise Ratio (PSNR) in the Wavelet Bi-linear Interpolation Algorithm is deeply analyzed.
在基准面重建时,利用CRS运动学波场参数可将CRS叠加剖面校正到一选定的水平面上。
The CRS-stacked zero-offset section can be corrected (redatumed) to a given planar level by kinematic wave field attributes.
欧氏距离法的重建效果比小波变换法要差一些,所用时间比小波变换法要少的多;
The performance of Euclidean Distance is inferior to Wavelet Transform, but using much less time, Maximal Distance gets the worst result , while taking the least time.
在布拉德利和彼得关注陶波现在的活动的同时,科林在重建它的过去,他们都希望它的未来能变得更明朗。
While Bradley and Peter keep an eye on Taupo's present behavior, Colin reconstructs its past. They all hope its future will become clearer.
虽然落空啦某些QRS波尖峰旌旗灯号地高频重量,可是重建地旌旗灯号与注入波形地本来外形契合得相当好。
While losing some of the high frequency components of the QRS spike, the reconstructed signal conforms rather well to the original shape of the injected waveform.
利用小波变换理论首先将谐波图像与基波图像进行分解,然后利用基于窗口的融合规则进行融合,最后利用小波逆变换重建图像。
The harmonic image and fundamental image are decomposed into sub-images with wavelet transform. Fusion is completed with rules based on Windows. Then fusion image is reconstructed.
基于复杂地表的CRS叠加不需对叠前数据做静校正,可以利用叠加得到的波场参数剖面实现基准面重建。
CRS stack based on a complex top surface topography can process pre-stack data without static correction. Then data redatuming can be performed with the kinematic parameters produced by CRS stack.
然后以主分量对小波系数进行重建的平均能量作为局部噪声能量的估计;
Second, the wavelet coefficients are reconstruct based on the top few principle components and the local noise energy is estimated based on the mean energy of reconstructed wavelet coefficients;
我们要重建美国破损不堪的道路、桥梁和堤防水坝。这样,新奥尔良和明尼亚波利斯的悲剧就不会重演。
Jobs that rebuild our crumbling roads, bridges and levees and dams, so that the tragedies of New Orleans and Minneapolis never happen again.
主要终点事件包括心脏性死亡、Q波性心梗、再发心绞痛需要再次血运重建等。
The primary end point was defined as cardiac mortality, Q-wave myocardial infarction (MI), or refractory angina requiring revascularization.
主要终点事件包括心脏性死亡、Q波性心梗、再发心绞痛需要再次血运重建等。
The primary end point was defined as cardiac mortality, Q-wave myocardial infarction (MI), or refractory angina requiring revascularization.
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