结果，向水中送回一个返射波，但这是一种稀疏波。
As a result a reflected wave is sent back into the water, but this is a rare faction wave.
本文介绍了在双驱动激波管中运用稀疏波破膜的技术。
This paper presents an experimental technique of diaphragm bursting by virtue of the rarefaction wave in double driver shock tube.
气相爆轰波在右壁面反射后，右行稀疏波加速反射激波。
After gaseous detonation reflects on the right wall, the right-traveling rarefaction waves accelerate the reflected shock.
溃坝洪水波通常为迅变或间断流动，同时兼有急流和缓流、压缩波和稀疏波等流态。
Dam-break flood waves often vary rapidly or even discontinuously, with both rapid and tranquil flow behaviors, as well as both compression and rarefaction waves.
在第二部分，我们给出一个新的关于稀疏波的测度，而且给出了三阶非线性双曲守恒律关于这个测度的精确估计。
In the second part of Chapter 2 we give a new measure about the rarefaction waves, and a sharp decay estimate of the new measure is established for the cubic nonlinear system of conservation laws.
在讨论了这种近似的适用条件后，分别用它就一维流的情况研究了连续流、稀疏波和压缩波以及激波等运动形态。
After discussing the conditions under which this approximation could be used, it is applied to study various 1-dimensional flows: continuous flows, rarefaction, compression waves and shock waves.
本文主要研究高维空间中带有退化粘性的标量守恒律方程的光滑解的整体存在性，以及该解逼近强平面稀疏波的衰减率。
This paper is concerned with the decay rates of the solution to the strong planar rarefaction waves for scalar conservation laws with degenerate viscosity in several space dimensions.
讨论了半空间中满足无渗透边界条件的一维黏性可压缩热传导流体的流动，给出了在小扰动和非等温条件下稀疏波的渐进稳定性。
The asymptotic stability of the rarefaction wave has been established for the impermeable wall problem under small perturbation conditions and non-isothermal conditions.
祖母家外面有棵松树，在稀疏的树荫下我读起了哈波。李写的这部小说。肥胖的小猎犬在我身边磨蹭着，我却不曾注意。
I began reading Harper Lee's novel in the skimpy shade of a pine outside my grandmother's house, fat beagles pressing against me, begging for attention, ignored.
这里与波弗特海接壤，偏远荒凉的地带稀疏地散落着几座小村庄。
Only small villages are thinly scattered in this remote and inhospitable region of Arctic tundra bordering the Beaufort Sea.
说明：曲波变换是图像处理领域中稀疏表示最常用的一种字典，其中MCA分解模型中经常用到。
Bo transform the field of image processing is the most common kind of sparse representation dictionary MCA decomposition model which is often used.
该变换具有最优稀疏约束条件，能使一次波在一组基函数上的投影能量尽可能小。
The transform is characterized by optimum sparseness constraint condition that makes the mapping energy of primary reflections on a set of basis function as small as possible.
方向性小波理论为图像处理提供了一种新的稀疏表示方法，能够更有效地捕捉图像中的几何结构。
The directional wavelet theory provides a novel sparse representation method for image processing, and it can capture geometrical image structures more efficiently.
基于提升方法构造的整数小波变换，采用行索引稀疏存储方案，可以对海量影像数据进行高保真的压缩。
The method of sparsely row-indexed storage has been used to compress large volumes of image data, on the base of integer wavelet transform constructed by lift scheme.
该文采用小波矩量法求解导电平面上的三维腔体散射，利用小波变换稀疏化矩量矩阵，加速其求逆，减少了腔体散射的总体计算时间。
Scattering from three-dimensional cavities is solved using the wavelet-MoM method, while the moment matrix is sparsified with help of the wavelet transform.
小波阈值降噪技术利用小波变换表示信号的稀疏性质，使用对角形式的阈值滤波器达到信号降噪的目的，这个方法在很多信号空间上是近似最优的。
Wavelet thresholding technology is using the sparse property of wavelet representation and diagonal filter for signal denoising . This method is nearly optimal in many signal spaces.
计算结果表明，在弯管小曲率半径壁面附近，由于膨胀稀疏作用，爆轰波强度减弱，在局部出现前导激波与放热反应区的解藕以及二次起爆现象；
From the numerical results it is observed that as the curvature of the bend changes, different detonation phenomena occurred along the wall of the bended pipe.
TEMPLAR采用最小描述长度(mdl)的复杂性正规化学习稀疏表示的小波域模板。
TEMPLAR employs minimum description length (MDL) complexity regularization to learn a template with a sparse representation in the wavelet domain.
TEMPLAR采用最小描述长度(mdl)的复杂性正规化学习稀疏表示的小波域模板。
TEMPLAR employs minimum description length (MDL) complexity regularization to learn a template with a sparse representation in the wavelet domain.
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