The results show that the method is efficient and correct.
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3. 而离焦是导致传递函数下降的一个重要因素。
While out of focus is one of the reasons that make the MTF decline.
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4. 电子照相得到的星象看起来模糊，似乎是离焦的像。
Electronographic star images appear soft and out of focus.
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5. 本文使用一系列不同程度的离焦图片演示了所有算法的性能。
The performances of all algorithms are demonstrated with a series of images with differentdegree of defocusing level.
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6. 实验结果表明：该方法能有效地估计离焦模糊参数和复原模糊图像。
Results show that the proposed PSF parameter estimation technique and the defocused image restoration are effective.
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7. 用于研究照明波长、相干系数、数值孔径及离焦等对成象质量的影响。
The effects of lighting wavelength, coherent coefficient, aperture number and defocusing to image quality can be studied with this method.
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8. 结果表明：只有采用合适的离焦量，才有可能获得较好的焊缝成形质量。
Experimental results showed that reasonable defocusing value should be adopted in order to get better weld seam shaping quality.
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9. 剪切干涉图中出现的条纹数或者条纹的方向与离焦之间存在着线性关系。
There is a linear relationship between the shearing fringes appearing inside an interferogram or the direction of the fringes and defocusing.
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10. 文中介绍了该算法的原理并对电力设备红外离焦图像处理结果进行了分析。
The principle of the algorithm was introduced and the results of the algorithm to deal with the infrared defocused image of electrical device were analyzed.
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11. 同时得出了不同离焦量横截面上中空环形光斑的大小和占空比之间的关系。
At the same time we can get the relationship between hollow circular laser beam and duty circle at different defocusing cross section.
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12. 为了补偿双波段航空相机在复杂环境下产生的离焦，设计了一套调焦机构。
To compensate the defocusing of a dual-band aerial camera in a complicated environment, a focusing mechanism is designed.
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13. 本文通过对影响离焦的各种因素的分析可知温度的变化对光学系统的影响最大。
The temperature has more influence on the optical system based on the analysis of the various factors effect on the defocus .
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14. 图像熵和高阶累积量不需要参考图像，因此可以在实际的离焦分析中广泛应用。
The two parameters have good application in practical defocus analysis due to their independence of reference image.
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15. 一种新的采用基准离焦信号的针孔调焦方案，用于激光直写的自动对焦子系统。
A new pinhole-focusing scheme using referenced defocus signal is applied to an automatic subsystem for laser direct writing.
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16. 传感器对于离焦，像散等像差模式都可以进行较为准确的测量，误差率都小于1。
The sensor can do comparatively precise measurement on the aberration of defocus, astigmatism and so on, with error rates less than 1.
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17. 文中还对锐聚焦系统给出了最佳归一化离焦量的表达式和相应的ETF近似公式。
For sharp-focusing system, the expressions for the position of optimum image plane and its corresponding ETF are also given.
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18. 此外，实际的探测器所具有的死区也会影响离焦曲线，同时还限制离焦动态范围。
Furthermore, the dead region of actual detector will influence defocusing curve and shrinks its dynamic range.
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19. 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.
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20. 进一步，将上述方法应用于微操作机器人系统，成功完成了离焦状态双针互插实验。
Furthermore, the methods above are applied to the micromanipulator system, and an experiment to insert a needle into another in defocus status is fulfilled.
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21. 还指出仅当柱面或平面光栅时，才能形成二阶子午无离焦平场和弧矢无象散圆场谱面。
It is also shown that only when the gratings are cylinder or plane ones, the second order sagittal anastigmatic circular field and meridional non defocus flat field spectral images can be formed.
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22. 研究了激光焊接输出功率、焊接速度、离焦量等工艺参数对焊接深度及焊接宽度的影响。
The effects of laser power? speed and defocusing parameter on welding depth and width have been studied in the experiment.
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23. 激光直写机是制作衍射光学元件的关键设备，离焦检测技术是其中的重要单元技术之一。
Laser direct writing system is the key equipment for fabrication of optical diffractive elements, and the defocus detection technique is the important sub-tech in it.
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24. 分析坡度和ET资料后，他推测在LOM人员中，对离焦感觉的敏感性不如正视眼那么高。
From analyzing the data of the slope and et, he speculated that the sensory system in LOM subjects might be less sensitive to defocus than that of emmetropic subjects.
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25. 而在光丝间距和离焦量变化过程中，激光束对复合热源平板堆焊焊缝表面成形的影响很小。
The influence of Nd:YAG laser on hybrid weld appearance is light in variation of laser-arc distance and defocusing distance.
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26. 为了提高激光直写加工衍射光学元件时的线条质量，提出一种离焦激光直写的线宽稳定方法。
A linewidth stabilizing method for defocusing laser direct writing is proposed for further improvement of line quality of diffractive optical elements.
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27. 然而，由于重构出的目标图像中叠加了前景遮挡物的离焦图像，因此其对比度受到严重影响。
However, the reconstructed images suffer from degraded contrast due to the superimposition of foreground defocus blur.
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28. 实际井下测量过程中，存在相机振动、目标运动、离焦衍射等问题，导致拍照的图像模糊不清。
But in the actual silo measurement, the photograph of the missile is fuzzy because of the camera's quiver, the object's movement, and the defocus diffraction and so on.
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29. 试验建立起了凹坑深度与脉冲功率密度、激光平均功率、脉冲重复频率和离焦量之间的关系曲线。
Crater depth versus pulse power density, average laser power, pulse repetition frequency and focal distances are built up through experiment.
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30. 试验建立起了凹坑深度与脉冲功率密度、激光平均功率、脉冲重复频率和离焦量之间的关系曲线。
Crater depth versus pulse power density, average laser power, pulse repetition frequency and focal distances are built up through experiment.
