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散光盘是用于辅助检测并矫正散光的视标。Astigmatic dials are targets used for the detection and correction of astigmatism.

本文用矩阵光学的方法研究了内含柱面透镜的象散腔。The astigmatic cavity with a cylindrical lenis studied by using matrix optics method.

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这一结果对复杂像散腔的设计与分析提供了很好的依据。These results afford some references for the design and analysis of complex astigmatic cavities.

复象散波理论是一种分析三维介质雷达罩电磁特性的有效方法。The complex astigmatic wave theory is used to analyse the electromagnetic characteristics of 3-D radome.

与差动像散离焦检测原理相同的是，二者都是采用双探测器进行测量。Two detectors are used both in conventional differential astigmatic device and the device given in this paper.

实践证明，对抗性的劳动关系必然影响企业的市场竞争力和长期盈利水平。It is proved that astigmatic labor relations affect competitive advantage and long-term profitability of the firms.

在积体化光学模组设计上，像散法及刀缘法则分别被使用作为聚焦伺服之机制。In the IOU designs, the astigmatic and knife-edge methods were respectively adopted as the focusing servo mechanism.

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采用光束的二阶强度矩的方法讨论三维像散光束的光束特性。The characteristics of three dimensional astigmatic beams were discussed by using their second order intensity moments.

研究了用于厄米高斯光束对称化的光学系统对像散厄米双曲余弦高斯光束的变换。In this paper, transformation of astigmatic Hermite cosh Gaussian beams through an optical symmetrizing system is studied.

从理论上分析了象散光学系统产生象平面全息图的可能性，并在实验上得到证实。Possibility of producing image-plane holograms of astigmatic system is analyzed theoretically, and verified experimentally.

本文用矩阵光学的方法研究了内含介质的正交柱面一柱面镜象散腔。The astigmatic cavities bounded by crossed cylindrical mirrors with a piece of medium is studied by using matrix optics method.

方法根据光学和数学的原理，从点光源成像入手，逐步定量地推导被检者对散光视标的辨认结果和散光轴位之间的关系。Method Based on optical and mathematic principle, the relationship between astigmatic dials test result and astigmatism axis was calculated out as a formula.

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用复杂光学系统的衍射积分理论和矩阵光学的方法研究了激光二极管像散高斯激光束通过自聚焦微透的变换。The LD astigmatic Gaussian beams transformation through SML is studied by the use of Collins formula and matrix optics. The beam intensity function is given.

本文用矩阵光学的方法研究了内含介质的正交柱面一柱面镜象散腔。The astigmatic cavities bounded by crossed cylindrical mirrors with a piece of medium is studied by using matrix optics method. The stability diagram is given.

我们以象散光束为例，根据轴向全息图能够给出该光束补偿系统的状态。Taking a laser beam of astigmatic aberration as an example, the state of the laser beam compensating system can be given by the axial hologram of the laser beam.

散光变化的主要原因为术中发生的微穿孔、切口不均、切口入视光学中心区、切口深度不等。The main causes of astigmatic change included mi-croperforations, irregular incisions, incisions across the central optical zone and various depths of incisions, etc.

实验结果中像散特性与理论分析是基本吻合的，表明像散法在并行三维检测中可以应用。Experimental results were obtained, which accord with the theory analysis. It indicates that the astigmatic method is applicable in non-scanning 3-D profile detecting.

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本文在传统差动像散检测方法基础上，给出一种基于单向离焦的差动像散检测方法。In this paper, the differential astigmatic detection method for defocus measurement with one-way defocused detector is developed from the conventional differential as.

本论文主要是探讨三种绕射元件的微制程分析，元件分别为准直透镜、分光元件与像散透镜。The objective of this thesis is to discuss the microfabrication of three kinds of diffractive optical elements, namely, collimator, beam splitter, and astigmatic lens.

研究了部分相干高斯-谢尔模型光束经过整数阶螺旋形位相板之后形成的部分相干涡旋光束，着重研究这种部分相干涡旋光束的传输特性。From the propagation theory of partially coherent light, spectral anomalies and spectral switches of Gaussian Schell-model beams focused by an astigmatic aperture lens are studied.