光学全息 meaning in English
optical holography
Examples
- Digital holography is an active research topic
数字全息是当前光学全息术研究的一个热点。 - In the thesis , the theorical background and methods of numerical reconstruction are introduced , the theorical background for numerical reconstruction in digital holography is scalar diffraction theory
数字重现技术以标量衍射理论为其理论基础，与传统的光学全息一样，数字重现也分两个步骤：记录和再现。 - It indicates that digital holographic interferometry is a coherent optical technique , which allows the direct access to the interference phase . the measured interference phase contains information of the object field and its changes , so we can get the parameters changes according to the measured interference phase
指出，数字全息干涉术可以直接计算得到干涉相位差，并由干涉相位差准确地恢复出物场的待测物理参数，取得比光学全息干涉术更高的测量精度。 - Digital holography is a novel imaging technique which uses high - resolution ccd - cameras as hologram recording medium and reconstructs the image with numerical method . it involves optical holography , computer science , electronic technology and digital image processing . in recent years , particle analysis with digital in - line holography is an active research field
数字全息术用ccd记录全息图，以数值的方法再现全息图，它综合了光学全息原理、计算机技术、电子技术以及图像处理技术，是一种新颖的全息成像技术，具有处理简便、对实验环境要求较低、可实现准实时处理等优点。 - Digital holography is a new imaging technique that uses a charge coupled device ( ccd ) camera for hologram recording and a numerical method for hologram reconstruction . this paper presents the concept and underlying theory for digital holography and its applications in 3 - d object reconstruction and optical metrology
数字全息术以ccd等光电探测器件记录全息图，用数值方法再现全息图，它是综合光学全息原理和计算机技术、电子技术以及数字图像处理技术发展起来的一种新型全息成像技术。