在自适应光学系统中,波前计算是指由波前斜率计算、波前复原运算以及波前控制算法等组成的一类处理任务。
In adaptive optics system, wavefront computation refers to a class of processing consisting of wavefront slope computation, wavefront reconstruction and wavefront control algorithm.
利用本算法构造CL多小波前置滤波器的实验结果表明,本算法不仅计算速度快,而且稳定性也得到了显著提高。
The results of the experiment using this arithmetic to construct CL multi-wavelet pre-filter show that not only the compute speed is fast, but also the stability is remarkable improved.
报道了利用数值仿真方法对自适应光学系统补偿激光传输湍流效应中的波前拟合和复原误差的计算分析。
Using numerical simulation, the fitting error is calculated in the adaptive optics phase compensation for turbulent effect of laser propagation in the atmosphere.
数值实验表明有序波前重建法具有较高的计算精度和运行效率。
The numerical experiments show that the ordinal wavefront reconstruction method has higher calculation precision and running efficiency.
利用这种方法,计算了冲击电压峰值和波前时间的数字测量误差,并分析了误差的影响因素和变动范围。
Errors in digital measurement of the peak value and front time of impulses are calculated by this method, with influence factors and variance ranges analysed.
该方法源于波前法的基本思想,从计算域边界向内域逐渐生成非结构化的四边形网格。
The method is base upon the advancing front technique which constructs unstructured mesh of the domain of interest from its boundary.
给出了在各种不同大气湍流强度、不同相位谱空间频率的下降因子时,大气湍流相位波前低阶模式完全校正后和倾斜部分校正时的斯特列尔比的计算结果。
The results of Strehl ration calculation after low-order modes and tilt part correction at varies atmospheric turbulent intensity and phase spectrum descend efficiency are discussed detailed.
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。
After analysing the tall building structures summarized, two wave front solution programs calculating that are designed.
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 formula of numerical computing is presented with discretion for Fresnel diffraction and phase numerical reconstruction of wave front.
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。
A new method of tomography reconstruction from Hartmann wave-front sensing is presented which combines wave-front sensing technique with computerized tomography reconstruction technique.
研究了图形处理器(GPU)计算液晶自适应波前重构的并行性。
A wavefront reconstruction parallel computing based on the GPU is introduced in this paper.
计算实例表明,这种方法能较好地捕捉间断,激波前后的伪振荡基本消除。
It is shown that the present algorithm can capture shock wave with better resolution and without spurious fluctuations.
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。
A new method of tomography reconstruction from Hartmann wave-front sensing is presented which combines wave-front sensing technique with computed tomography reconstruction technique.
对于脉冲情况,导出波形、波前和波幅的关系,给出了数值计算结果,使与实测波形相比较。
For the pulse case, formulas for the waveform, the front of the pulse and the amplitude of the pulse pressure distributed in space have been derived and numerically calculated.
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。
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.
建立了拼接检测计算的模型。利用最小二乘法计算得到拼接参数,从而恢复大口径光学元件的全孔径波前相位分布。
The calculation model is established based on the theory of the least-square method, and a set of testing equipment is designed.
通过计算机模拟和波面实际测量,对十字路径积分法、傅里叶变换积分法和区域波前重构法三种主要算法的重建精度进行了对比研究。
The simulation and the experiment results demonstrated the precision of cross path integration techniques, Fourier transform integration and area wave-front reconstruction method.
我们提出基于傅里叶模式估计的二维波前重建算法,利用最小二乘拟合原理,可以计算出待测波前的傅里叶变换系数,从而恢复原始波前。
In this paper a new algorithm based onFourier modal estimate is proposed to reconstruct the original wavefront by use of least-square fitting.
通过计算各相位角畸变波前的平均值,并将其共轭波前作为相应时刻的校正信号应用于畸变波前的自适应校正。
By computing the time-averaged wavefront, the adaptive conjugate correction wavefronts are achieved. Then the conjugate wavefronts are applied to correct the corresponding aberration wavefronts.
对横向剪切干涉仪和哈特曼波前传感器的波前探测和复原进行了类比推导和仿真计算。
The detection and reconstruction of wavefront by Lateral Shear Interferometer (LSI) and Hartmann Wavefront Sensor (HWS) have been deduced analogically and simulated numerically.
介绍了一种几何方法,从整个接收面上的相位起伏分布出发,构造了波前的空间几何形态,从而计算出整个接收面上到达角起伏分布。
In this paper, based on the known phase distribution on the receiver plane, the geometric shape is constructed to calculate the angle-of-arrival distribution.
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。
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。
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.
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