| 1. | Electronographic star images appear soft and out of focus .
电子照相得到的星象看起来模糊，似乎是离焦的像。 |
| 2. | Discussion about off - focus influence on mtf for long focus aerial camera
长焦距航天遥感相机离焦对传递函数的影响 |
| 3. | Research on focusing system characteristics and defocusing application in laser direct writer
激光直写调焦系统特性及离焦应用研究 |
| 4. | Two detectors are used both in conventional differential astigmatic device and the device given in this paper
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。 |
| 5. | Firstly , basic theories and methods of autofocus based on image processing are studied in detail
首先，本文研究了基于数字图像处理自动对焦的基本理论与方法? ?对焦深度法和离焦深度法。 |
| 6. | According to the discussing results , it can be seen that defocus measurement method with one - way defocused detector is really an effective method for defocus monitoring
研究结果表明,单向离焦差动检测方法是一种有效的离焦监测技术途径。 |
| 7. | 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
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。 |
| 8. | In this paper the positions of images reconstructed by illuminated plane waves of fraunhofer defocused holographic memory system are theoretically described and discussed
摘要对用平面波读出夫琅和费离焦全息存储系统再现像的位置进行理论分析与讨论。 |
| 9. | In the method dfd ( depth from defocus ) , feasibilities of restoring images from defocus images and estimating the focused position are discussed and confirmed
离焦深度法估计离焦距离或者进行图像恢复的依据是成像系统的点扩散函数及它所产生的模糊圆。 |
| 10. | Abstract : in this paper the positions of images reconstructed by illuminated plane waves of fraunhofer defocused holographic memory system are theoretically described and discussed
文摘:对用平面波读出夫琅和费离焦全息存储系统再现像的位置进行理论分析与讨论 |
