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。
In the end the propagation rule of wave front set under linear substitution mapping is given.
最后揭示了线性变量替换映射下波锋集的传播规律。
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。
Direction(D):the horizontal vector perpendicular to the wave front along which the crext travels.
方向(D):运动方向,垂直于波阵面的水平方向;
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。
After analysing the tall building structures summarized, two wave front solution programs calculating that are designed.
概述了高层结构的分析方法,给出了高层结构计算的两种波前法计算过程。
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。
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。
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。
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。
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。
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 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。
The precedence effect (or "law of first wave front") is our brain's ability to determine the location of sounds amidst conflicting signals based on the direction of the first waves of sound.
优先权效果(或者“第一声波靠前定律”)是我们的大脑基于第一声波位置在相互冲突的各种信号中判定声音位置的能力。
Fringes are formed when the optical difference (OPD) between a reference wave front and a test wave front based on the interference of light is an integral multiple of the illuminating wavelength.
测试中,当测试波前相对于参考波前的光程差是照明波长的整数倍时形成干涉条纹,由此而形成的二维图就是干涉图像。
The formulas of mode conversion are derived and effects of optical beam power, initial beam width radius and inverse of the radius of curvature of the wave front on the mode conversion are analysed.
导出模式变换公式,分析了光束功率、光束初始的束宽半径和波前曲率半径的倒数对模式变换的影响。
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。
The text just introduce the structure, theory, character of optic modulate and application about liquid crystal wave-front corrector.
本文主要介绍了液晶波前校正器的结构、基本原理、光学调制特性及其应用。
This paper describes a fast algorithm sub-block wave-front reconstruction.
本文提出了一种分块进行波前重构的快速算法。
This paper describes a fast algorithm sub-block wave-front reconstruction.
本文提出了一种分块进行波前重构的快速算法。
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