| 1. | The investigation of its infinitely small components had to await the development of optical methods and is of relatively recent origin .
要研究其无数小的结构成分，必须有待于光学方法的发展，因而其起始较晚。 |
| 2. | The thermally stable condition of intracavity - frequency - doubled lasers with folded resonator is analyzed based on the matrix optics
使用矩阵光学方法分析了型折叠腔内腔倍频激光系统稳定运行的条件。 |
| 3. | Because of the parallel and high speed processing of optical information processing system , it has been a new focus of research to study the image encryption by using optical methods
由于光学信息处理的并行性和快速性以及能够提供多种加密维数,运用光学方法对图像进行加密也成为人们研究的热点。 |
| 4. | A comprehensive review of the basic analytical methods for the beam transformation including the matrix optics method , diffraction integral method and wigner distribution function method is summarized
对研究光束传输变换的基本理论方法，包括矩阵光学方法、衍射积分方法和wigner分布函数方法作了归纳。 |
| 5. | Based on summarizing the methods of the surface measurement and its theories and limits , the thesis mainly analyses that of measuring the antenna surface precision by the laser non - contact fine measurement
本文是在概述型面检测的各种方法及其检测原理和适用局限性的基础上，主要对采用激光非接触式精密检测的光学方法进行天线型面精度检测作了分析。 |
| 6. | The focusing properties of gaussian beams through a compound optical system are discussed . based on the matrix optical method , formulae of the beam width at the focal plane and imaging distance of focused gaussian beams through the system are derived
讨论高斯光束经复合光学系统的聚焦特性，利用矩阵光学方法，推导出了高斯光束经复合光学系统聚焦后束腰宽度和像距的计算公式。 |
| 7. | There are many temperature measurement methods , no matter thermal couples method or laser diagnoses technology cannot gain flame temperature distribution . now x ? ay computed tomography ( ct ) technology has been successfully used in clinical circumstance
在现有的许多火焰温度测量方法中，无论是传统的接触式测量方法，还是近年来发展的光学方法，均不能实观火焰温度两维，甚至三维分布的测量。 |
| 8. | Abstract : in this paper , starting from the generalized huygens - fresnel diffraction integral and b - integral definition , and based on the statistical - optics method , the nonlinear propagation properties of laser beams with amplitude modulations and phase fluctuations have been studied in detail
文摘:广义惠更斯-菲涅耳衍射积分和b积分定义出发，并利用统计光学方法，对有振幅调制和位相畸变光束的非线性传输特性作了详细研究。 |
| 9. | With nd : yag laser , the surface acoustic wave pulses were generated on the sample of aluminium and silicon . well - defined waveforms have been acquired . the results show this technique have advantages such as high frequency responding , high signal - to - noise ratio
对nd : yag固体激光器在铝和硅材表面激发的声表面波脉冲进行了系统的实验测试，结果得到了良好的波形，此法相对于其他光学方法具有频响高，灵敏度高，线性较好的诸多优点。 |
| 10. | The height measure , especially the thickness measure is hardly achieved . usually the 3d geometrical size measure of micro - structure is realized by the optical method . but when the situation become to the micro - structure distributed at the inner of the chip , the optical method wo n ' t work well
通常采用的是光学方法测量，但纯粹的光学测量方法很难对分布于器件内部、轮廓形貌没有凸现于表面或完全包络于器件外部的薄膜结构的厚度进行测量。 |
