当高速行进的超新星冲击波与稀薄的星际气体相撞时，气体受到压缩和加热，因此而发光。
As the supernova blast wave slams into tenuous clouds of interstellar gas, the resulting collision heats and compresses the gas, causing it to glow.
火球最初的迅速膨胀剧烈地压缩着周围的大气，产生了威力巨大的冲击波。
The initial rapid expansion of the fireball severely compresses the surrounding atmosphere, producing a powerful blast wave.
设想开车经过一处监速站，当你的车开向监速站时，从你的角度看监速站雷达发出的电磁波似乎被压缩过——当然，如果你的眼睛能辨别出这种微小的差别的话。
Imagine driving past a police radar. As your car approached, the electromagnetic waves from the radar would look slightly shrunk to you — if you could see them — when they reached you.
进气口的上部为进气口混合斜面设计，这样设计的目的是为了产生斜振波以帮助进气压缩过程。
The upper portion of the air intake is incorporated with an intake ramp designed to generate a rearward leaning oblique shock wave to aid the inlet compression process.
他们可能意识到声音是通过空气传播的波，并可能有声音传播时空气压缩的概念。
They probably realized that sound was a wave propagating through the air and may have had a notion of the compressibility of air during sound propagation.
强烈的恒星风压缩加热了星际尘埃，并在前方形成弧形的震荡波。
Its strong stellar wind precedes it, compressing and heating the dusty interstellar material and shaping the curved shock front.
文中的大量实验结果表明，小波变换同传统的DCT变换相比较有很大的优越性，在视频压缩中也必将取得更广泛的应用。
Many results show a fact that, compared with traditional DCT transform, wavelet transform has a great advantage, and it will surely be broadly used in video compression.
正如，或因为它是高度压缩的空气和燃料，也引爆了冲击波酷暑。
As, or because it is highly compressed, the air-fuel is also detonated by the intense heat of the shockwave.
实验证明，基于3维小波变换的3维SPIHT编码算法在对超光谱图像压缩时，表现出了优良的率失真性能。 并且算法复杂度适中，具有嵌入式特性。
The test results show that the 3D SPIHT algorithm based on 3D DWT for hyperspectral images compression is very efficient, the algorithm is embedded and has modest complexity.
本文提出了一种利用相邻QRS波的相关性进行最小均方差预测的心电图压缩算法。
A novel electrocardiogram compression algorithm based on minimum root-mean-square error prediction utilizing the correlation of adjacent QRS wave is proposed.
根据激波理论，爆炸产生压力脉冲并以压力波的形式传播，既有压缩波也有膨胀波。
According to the shock theory, the ejecta produced by explosion form the pressure pulse, and it spreads in forms of either compression waves or expansion waves.
建立了基于小波变换的运动图像编码系统模型，实现了数据的高效压缩并得到了良好的恢复图像。
A system model of image sequence coding based on wavelet transform is established. Then a high data compression ratio is realized and satisfactorily reconstructed image can be obtained.
介绍了系统结构、性能以及用高能谐次波提取法实现语音压缩的算法，并给出了硬件接口与软件结构设计方案。
The system structure and performance is also given. It presents speech compression algorithm implemented by High Energy Wave Extraction. It also gives out hardware interface and software structure .
压缩波的合并产生激波，它的强度被随后并入的压缩波或膨胀波分别增强或减弱。
Shocks are formed by merge of compression waves with each other and its magnitude is enhanced or declined by catching compression waves or expansion waves behind the shock respectively.
采用倾斜阵列压缩器技术制作的声表面波色散延迟线已成功用于许多脉冲压缩系统中。
SAW dispersive delay lines using the slant array compressor technique have been applied to the pulse compression systems.
小波变换是一个新兴数学分支，本文利用小波变换的特性研究图象数据压缩方法，以探寻高比例、高质量压缩图象数据的新途径。
The paper, by using the transform characteristic of Wavelet, mainly studies the method for image data compression in order to search for the new way of high proportion, high quality image compression.
本文主要研究小波变换在图像压缩中的应用，分析研究等级树集合分割算法(SPIHT)。
In this paper, it is studied to compress image with wavelet transform, and the application of Set Patitioning in Hierarchial Trees (SPIHT) in image process is researched.
与延性材料相比，脆性材料在冲击波压缩条件下表现出许多异常的力学响应特性。
Compared with the ductile materials, brittle materials exhibit some anomalous mechanical properties under the extreme condition of shock wave compression.
本文研究了无限各向同性基体中的滑动界面球形单夹杂对平面压缩波的散射问题。
This paper studies the scattering of plane compressional waves by a spherical inhomogeneity with a sliding interface embedded in an infinite homogenous media.
从特征信号提取的角度出发，采用局域波时频分析和信息熵结合的方法进行往复式压缩机故障诊断。
In the view of feature signal extraction, the local wave time-frequency analysis and information entropy were used to deal with fault diagnosis.
爬波是一种在材料的表面下传播的压缩波，对表面和近表面缺陷非常敏感。
Creeping wave is a type of compressional wave, which propagates below the surface and is sensitive to surface and near-surface defects.
文中使用小波变换来对人脸的高维图像矢量进行压缩，并设计了一个支持向量机分类器系统来识别人脸。
This article utilizes the wavelet transform to compress the high dimensional face image vectors, then devises an SVM classify system to recognition the face.
本课题就是针对上述问题，通过小波变换和分形这两种方法来进行图像压缩，对比起压缩效果，总结出分别适合于小波和分形压缩的图像。
It USES wavelet and fractal to compress image and compare its compression result. Then sum-up what is fit for wavelet and fractal compression.
经使用证明，波齿复合垫片具有良好的压缩回弹性能和可靠的密封性能，是高温、高压和一些苛刻工况的理想垫片。
The experiment proved that the corrugated serrated gasket has the good compressive resilience property and it is an ideal gasket for high temperature high pressure and some severe working condition.
应用冲击波试验技术研究吉林陨石在冲击压缩期间所出现的相转变。
Shock-wave instrumentation provides an approach for the study of phase transformation during shock compression of the Jilin meteorite.
实验结果表明，该算法对JPEG压缩及图像剪裁、缩放、滤波有较好的鲁棒性，特别对于基于小波压缩算法的图像具有很好的鲁棒性。
The experiments show that the blind watermarking algorithm is robust in JPEG image compression, image clipping, image scaling and image filtering, especially in wavelet image compression.
本论文采用一种基于行的小波变换压缩方法，针对整个系统的内存利用，提出一种在编解码中同时降低内存的方法。
This paper adopt the line-based wavelet transform, aiming at the whole systematic memory, propose a method to reduce the memory at both encoding and decoding.
所建议的分析方法能够考虑表面重力波的影响、水体可压缩性、水库上游辐射阻尼等各种因素作用。
The analysis method proposed can take into consideration of the effects of water surface gravity wave, water compressibility, and radiation damping at up-stream of reservoir.
加大堆芯出口水力提升段的质量惯性能有效地抑制可压缩性密度波振荡，提高系统的稳定性。
By increasing the inertia of riser in the core outlet, the compressible density wave oscillation can be suppressed effectively and the system stability can be enhanced.
加大堆芯出口水力提升段的质量惯性能有效地抑制可压缩性密度波振荡，提高系统的稳定性。
By increasing the inertia of riser in the core outlet, the compressible density wave oscillation can be suppressed effectively and the system stability can be enhanced.
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