autofocus

noun

1. （照相机的）自动聚焦装置
   part of a camera which automatically adjusts itself, so that the picture will be clear
2. （照相机的）自动聚焦
   the ability of a camera to do this

1. Your camcorder should have these basic features: autofocus, playback facility, zoom lens
   你的便携式摄像机应该具备以下基本功能：自动聚焦、回放功能、变焦镜头。
2. The Name field has an autofocus attribute, which lets you start entering text without having to click in the field.
   Name字段有一个autofocus属性，它让您不必单击字段就能开始输入文本。
3. Notice two of the new attributes, required and autofocus.
   注意两个新属性：required和autofocus。
4. When you use the autofocus attribute with the placeholder attribute, the placeholder text disappears because of the activated focus in the field.
   当您同时使用autofocus属性和placeholder属性时，占位符文本会消失，因为在该字段的输入点已被激活。
5. However, because the Name field also has autofocus set, when you enter the page, you can't actually see the text.
   然而，因为Name字段也设置了autofocus，当您进入页面时，您无法实际看到文本。
6. Apple has in the past avoided the popular trend of constantly increasing the pixel count and has instead worked on other features to enhance the camera, such as improved autofocus and optical image stabilization on the 6 Plus.
   苹果公司避免跟随流行趋势，不断提高像素。相反，苹果公司致力于增强相机性能的其他方面，比如提高了苹果6Plus手机自动对焦功能及光学稳像功能。
7. Samsung says it improved the sensor and the camera's control software, including a superfast autofocus.
   三星表示，公司改善了照相传感器及其控制软件，包括超快速自动对焦的功能。
8. Effective autofocus and image stabilization systems, plus full weather sealing, round off a compelling package.
   高效的自动对焦和防抖系统加上全天候密封一起构成了一个让人无法拒绝的组合。
9. In synthetic aperture sonar imaging, the residual phase error is mainly corrected via autofocus.
   合成孔径声呐成像中，主要通过自聚焦校正剩余相位误差。
10. When we humans look at the world about us, our autofocus eyes tend to see everything in-focus.
    当我们人类看周围的世界时，我们那自动聚焦的眼睛试图看清每样东西。
11. The demand of autofocus for high resolution real time synthetic aperture radar ( SAR) is very high.
    高分辨率机载合成孔径雷达实时成像对自聚焦的要求非常高。
12. Aim To optimize an effective autofocus algorithm for processing of airborne SAR images.
    目的为了选用快速高效的自聚焦算法对机载SAR数据进行聚焦处理。
13. Autofocus Algorithm for ISAR Based on Total Variation Norm
    基于最大变差范数准则的ISAR自聚焦方法
14. Minimum entropy autofocus is a typical parametric autofocus method which is used to estimate and correct quadratic phase error.
    最小熵自聚焦算法是典型的参数化自聚焦方法，一般用于估计二次相位误差。
15. You don't really see all the vectors, actually because the autofocus is having trouble with it It cannot really do it, so I guess I will go back to the previous one.
    事实上你看不出所有的向量，因为拍摄此图时没聚焦好，所以我们还是看前一张吧。
16. It offers automatic day and night functionality, 12X optical zoom, 4X digital zoom, and autofocus.
    它还具备自动昼夜转换，12倍光学变焦，4倍数码变焦和自动聚焦功能。
17. Research on Phase Gradient Autofocus Algorithm for FMCW SAR
    FMCWSAR相位梯度自聚焦算法研究
18. Fountain Scene under Kaleidoscope Perspective: A Comparative Analysis of Focalization in Extracts from Atonement autofocus zoom lens
    视角万花筒下的喷水池，孰是孰非？&《赎罪》两片段聚焦模式对比解析自动聚焦变焦距镜头
19. The proposed evaluation function gains sharper performance than intensity variance method and gradient energy method, and it is qualified for high accurate autofocus.
    与方差法和梯度能量法相比，该评价函数具有更好的尖锐性，能够适应高精度聚焦的需要。
20. Novel ISAR Autofocus Algorithm for the Target with Non-uniform Rotation Based on Fractional Fourier Transform
    基于FRFT的非均匀转动目标ISAR自聚焦算法
21. A fast convergence image contrast optimization autofocus algorithm for synthetic aperture sonar
    一种快速收敛的合成孔径声纳图像对比度最优化自聚焦算法
22. An autofocus algorithm based on high-pass filtering evaluation function
    一种基于高通滤波评价函数的自动对焦方法
23. The autofocus algorithm not only need enough precision and computational efficiency, but also need fitting low signal to clutter rate ( SCR).
    自聚焦除了要有足够高的精度和高计算效率外，还要求能够适应信杂比较低的情况。
24. Derivatives-Based Autofocus Algorithms for the Digital Holographic Imaging
    数字全息成像中基于导数的自动对焦算法
25. A modified Shift-And-Correlate ( SAC) autofocus algorithm is presented, which decrease the demand of SCR and the algorithm is more robust.
    文中对频移相关算法进行了改进，大大降低了自聚焦对信杂比的要求，增强了算法的鲁棒性。
26. Reflectivity Displacement Method ( RDM) is a classical algorithm of Synthetic Aperture Radar ( SAR) autofocus processing, whose performance degenerates with low contrast of the scene.
    反射率偏移法（RDM）是合成孔径雷达（SAR）自聚焦的经典算法，当场景对比度较低时，RDM自聚焦效果变差。
27. SAS Autofocus Combined with Minimum Entropy
    结合最小熵的SAS图像自聚焦研究
28. We have improved the predictive autofocus and combined it with Live View.
    我们改进了有预测性的自动聚焦并且结合了它有活看法。
29. S: Yes, some of them include a built-in zoom lens with wide-angle and telephoto settings. There are three types of focusing-guesstimate, rangefinder and autofocus.
    可以，有些自动机具备广角镜及远摄镜功能的内置变焦镜。有三种对焦方式-猜估，用测距仪及自动对焦。
30. In using PGA to autofocus the SAR image, the results showed its effectiveness.
    对SAR图像用PGA算法进行了自聚焦处理，试验结果验证了算法的有效性。

noun

1. an optical device for focussing a camera or other instrument automatically