The scientists found that the precursor wave front of a single photon always travels at c, like the signal velocity of large groups of photons.
科学家发现，单个光子的前驱波头一般以光速c传播，就像由大量光子携带的信号的传播速度一样。
Optical holography is an experimental technique which can record and reconstruct the whole information of object wave front, and has been applied to fluid field investigation.
光学全息术可实现物光波阵面的真实存储和再现，现已广泛应用于流场分析、燃烧分析等领域。
The adaptive optical system is composed of the wavefront sensor, the wave front constructor and the wavefront corrector, which can correct the wavefront aberration distorted by atmospheric turbulence.
自适应光学系统由波前传感器、波前重构器和波前校正器组成，能够实时动态校正大气湍流等造成的波前畸变。
At each interface the spreading wave front is made discontinuous.
在每一分界面上扩展的波前出现间断。
It starts with zero and grows to a maximum slightly behind the wave front.
它从零值开始，并在稍后于波阵面处增长到最大值。
Successive positions of the wave front are then given by the envelopes of the secondary waves.
因此波前的相继位置即为次波的包络面。
The temperatures after the reflection of shock wave front with different inner angles are also compared.
同时，还对不同角度内楔的反射激波后气流温度进行了比较。
A diffraction selectivity theoretical analysis method of volume gratings with wave front phase encoding is proposed.
论文给出了分析随机波前相位编码体光栅选择性衍射的一种方法。
The supplementary restraint equation at the compression wave front is obtained by use of the second critical condition.
由第二个临界条件导出压缩波前的屈曲变形约束方程。
The distorted wave front of the light diffusely reflected from the rough surface is reconstructed by phase conjugation.
粗糙面反射光的波前失真由相位共轭修复。
On the base of the lateral shear interferometry, different methods of shearing wave front reconstruction are described in this paper.
在横向剪切干涉技术的基础上，讨论了几种波面重建的方法。
The calculated parameters of steady detonation wave front are compared with those of CJ theory, and the good agreements can be obtained.
稳定爆震波阵面参数与CJ理论结果进行了对比，两者符合得较好。
The formula of numerical computing is presented with discretion for Fresnel diffraction and phase numerical reconstruction of wave front.
从光的菲涅耳衍射、波前相位重构入手，对连续信号进行了离散化处理，给出了数值计算公式。
Moreover, it is difficult to implement a description of the wave front and the transformation of three-dimensional system of coordinates.
其次有关波前面的描述和三维坐标系之间的变换也是个难点。
The cost of the optical system with the unitary wave front correctors instead of the adaptive wave front correctors is reduced significantly.
采用整体式波前校正器替代自适应式波前校正器可以大大降低光学系统的成本。
As one of the important technical specifications of diffraction grating, diffraction wave front aberration directly affects the grating resolution.
波前像差是衍射光栅的重要技术指标，它直接影响光栅的分辨率。
A practical calculation method is given. With the parameters of the impulse circuit the wave front and tail and the voltage efficiency can be calculated.
文中给出实用计算法，以便根据冲击回路参数估算操作波的波头、波尾和电压效率。
Digital moire interferometry suits for comparing with complicated standard wave front directly, such as aspheric surface testing, profile measurement, etc.
可应用于直接与复杂标准波面比较的场合，如非球面面形检测，轮廓测量等。
Abstract : As one of the important technical specifications of diffraction grating, diffraction wave front aberration directly affects the grating resolution.
摘要 ：波前像差是衍射光栅的重要技术指标， 它直接影响光栅的分辨率。
The development of safer, more effective techniques should further improve visual outcomes with custom corneal ablations and wave front technology for astigmatism.
而个体化切削和波前引导等新技术的引用会使散光手术达到理想视觉效果。
The results show that, for a Gaus-sion laser beam, the shock front is a curved surface, the pressures at different radial positions on the wave front are different.
计算表明，对于高斯激光束，冲击波阵面为一曲面，波阵面上不同径向位置的压强是不同的。
A theoretical calculation is made of the nonequilibrium dissociation of the diatomic molecule with the vibration dissociation coupling behind a strong shock wave front.
对强激波作用下双原子分子振动与离解耦合的非平衡离解过程进行了理论计算。
The results indicate that the dispersivity of the shock arriving times and the obliquity of the shock wave front are obviously increased with increasing the radius of test.
结果表明，随着测试半径增大，爆轰到达时间分散性明显增加，爆轰波阵面的倾角也增大。
With smoothed particle hydrodynamics, we calculate the formation of micro-jet from the groove of metal surface, and reveal the dependence on the width of loading wave front.
利用光滑粒子流体动力学方法，计算了金属表面沟槽在冲击下的微射流现象，详细讨论了微射流对加载波前沿宽度的依赖性。
The influence of dynamic thermal effect induced by optical pumping of YAG crystal rod in a pulsed solid laser on the wave front of the output laser beam is studied in this paper.
本文研究了脉冲固体激光器的YAG激光棒光泵浦动态热效应对激光波面的影响。
The algorithm calculated the wave front slope by a reusing core module manner and complemented the wave front reconstruction with the decomposition of matrix-vector multiplication.
该算法基于重复利用核心模块的方式完成波前斜率计算，利用矩阵与向量相乘的可分解性完成波前复原计算。
In conjugate detonation model, chemical reaction is initiated by the shock wave front, and the released energy makes the particles of explosion products move in different directions.
在共轭爆轰模型中，阵面激发化学反应释放出的能量，使得爆轰产物粒子朝不同的方向运动。
We fully considered the influences of wave front diffusion, geological condition, designed the amplitude-preserved operator which can eliminate the effect of receivers and propagation.
通过考虑波前扩散、地质条件的影响，设计了消除采集效应和传播效应的保幅算子。
We fully considered the influences of wave front diffusion, geological condition, designed the amplitude-preserved operator which can eliminate the effect of receivers and propagation.
通过考虑波前扩散、地质条件的影响，设计了消除采集效应和传播效应的保幅算子。
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