Wave-front correcting is the core of the adaptive optics.
波前校正是自适应光学的核心内容。
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。
By using Fourier transformation, the original wave-front can be recovered with higher precision and in more details.
在理想情况下,利用离散傅里叶变换及其性质,能精确恢复原始波面。
The precise and frequency requirement is very important for wave-front reconstruction and control in an adaptive optical system.
自适应光学波前重构和信号处理对精度和速度要求很高。
Based on the fast Fourier transform (FFT) algorithm, the wave-front reconstruction algorithm of Shack-Hartmann sensor is described.
提出了一种应用快速傅里叶变换算法提高哈特曼夏克波前传感器波前重构实时性的快速算法。
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。
The method of Deconvolution from Wave-Front Sensing (DWFS) can be applied in many fields because of its low cost and excellent performance.
基于波前测量的图像复原技术成本低,性能优越,广泛应用于各种领域。
A new method of tomography reconstruction from Hartmann wave-front sensing is presented which combines wave-front sensing technique with computed tomography reconstruction technique.
基于哈特曼波前探测的流场层析测量技术结合了光学波前探测技术和计算机层析重建技术。
The influence of wave-front-distorted pump pulse on the beam quality of the amplified signal pulse in the non-collinear optical parametric amplification(OPA) is numerically simulated.
数值模拟了拍瓦激光器前端非共线光参变放大(OPA)过程中存在波前畸变的抽运光对信号光光束质量的影响。
Based on stochastic parallel gradient descent (SPGD) control algorithm, an adaptive optics test-bed without a wave-front sensor was built with a 32-element deformable mirror and a CCD.
基于随机并行梯度下降(SPGD)算法,32单元变形镜,CCD成像器件等建立了无波前传感自适应光学系统实验平台。
The experimental results of low-order modes correction for wave-front error and the enhancement of Strehl ratio in detector and the improvement of wave-front tilt are also established.
通过低阶校正模式波前误差提高了探测器接收光强,并有效校正了波前倾斜。
The application of diffractive optical elements in laser systems, optical interconnects, wave-front sensing, eyepiece design and scanning systems. Current highlights are also discussed.
本文主要介绍了衍射光学元件在激光系统、光学互连、波前探测、目镜设计和扫描系统上的应用,以及目前技术上的热点。
A new method of tomography reconstruction from Hartmann wave-front sensing is presented which combines wave-front sensing technique with computerized tomography reconstruction technique.
基于哈特曼波前探测的流场层析重建技术结合了光学波前探测技术和计算机层析技术。
Satellite dynamics environment is a test that must be undergone by a wave-front corrector used for space optical system and random vibration environment is an important factor among them.
波前校正器应用于空间光学系统必然要经历卫星动力学环境,随机振动环境是其中一个很重要的影响因素。
Under the smoke in front the roaring wave of the brush-fire is a small cottage.
在浓烟之下,在呼啸的山火前是一间小屋舍。
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。
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。
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。
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 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。
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 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 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。
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。
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。
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 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。
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。
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。
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