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Athermalized Infrared Hybrid Optical System by Employing Diffractive Element[J]. 引用该论文焦明印;冯卓祥.
From the characteristic of harmonic relief patterns,the athermalization and achromatism of harmonic diffractive element have been studied in the paper. 从谐衍射元件的理论出发,讨论了谐衍射透镜在消色差和消热差时的特性。
A dual-band step-zoom infrared optical system with four lenses is designed on the basis of the special properties of Harmonic Diffractive Element(HDE) and the zoom theory. 基于变焦系统的基本原理,利用谐衍射透镜的相关特性并结合中波红外和长波红外的特点,设计了仅含有4片透镜的红外双波段双焦光学系统。
An Optimal Method to Design Diffractive Element with Large Numerical Aperture 一种设计大数值孔径衍射元件的优化方法
A kind of diffraction element modulating phase information by LC space light modulator to get a zoom fresnel lens, as well as the using of said element to optical imaging system, is introduced. 本文介绍一种以液晶空间光调制器作为调制位相信息的衍射元件,获得可变焦长的菲涅耳透镜,以及该元件在光学成像系统中的应用。
In a printer, the removable type element. 印刷机上可拆卸的打印部件。
A byte composed of eight binary elements. 一个由8个二进制数位组成的字节。
A byte composed of two binary elements. 一种由两个二进制位组成的字节。同two－bitbyte。
An Adjacent Sequence Iteration Method for Designing a Diffractive Element with Function of Large Depth of Focus 用串行迭代算法设计具有长焦深功能的衍射光学元件
A byte composed of five binary elements. 由五个二进制码元组成的字节。同five－bitbyte。
A set of data elements which are handled as a unit. 作为一个单元来处理的一组数据元素。
He's in his element when playing badminton. 他打起羽毛球来真是得心应手。
This heater needs a new element. 这个加热器需要一组新电阻丝。
I'm out of my element in political discussions. 我不喜欢参加政治讨论。
Maintenance of PC is in my element. 我对电脑的维修保养很在行。
Something that contains contradictory elements. 矛盾体包含相互对立因素的事物
Radium and uranium are radioactive elements. 镭和铀是放射性元素。
9 Study of an athermal infrared dual band optical system design containing harmonic diffractive element[J]; Chinese Science Bulletin; 2003年12期; 29-34 8李大勇,曹振新,吴乐南;光纤表面等离子体共振传感检测系统的数据处理[J];测控技术;2005年12期;26-28+38
Sulphur was not identified as an element until1810. 1810年以前还没有认出硫是一种元素。
The scientists are in search of a new element. 科学家们正在寻找一种新元素。