The development of polymeric photoelectron apparatus is introduced first , and then the author summarizes the status quo of polymeric optical delay - line , expounds the material characteristic and designs the structure of the delay - line 本文首先介绍了有机聚合物光电子器件的发展,总结了有机聚合物光波导延迟线的研究现状,接着阐述了聚合物材料的性能并对延迟线的结构进行了设计。
Based on the principle of optical fiber delay line , several modules composed of delay lines are introduced compendiously , which provides the theoretical fundation to select modules in designing system of delay lines 本文首先从光纤延迟线的原理出发,分析了构成光纤延迟线系统的几个模块组成,并且简要地分析了每一模块的工作原理,为以后设计光纤延迟线系统时选取最匹配的模块提供理论依据。
These simulation results would lay an foundation for our experiment . the design of electrode structure is another key technology . based on a free sc tool from university of delaware , the author writes programs to simulate the electrode structure 延迟线的电极结构设计是另一个关键技术,本论文利用美国特拉华大学提供的一个免费的保角变换( sc )工具包编写程序对电极结构进行了模拟分析。
Objectives : 1 . to build a dual delayed linear style of leaky surface acoustic wave ( lsaw ) biosensor including detection and reference sensor in one chip . three detecting methods including phase , frequency and delayed time were used and compared with each other 目的: 1 .制备检测和参比双延迟线型漏声表面波传感器,采用相位、频率及延迟时间等多种检测方法,并比较各方法之间的优缺点。
In measuring distance , two common methods : pulse - counting and phase - shifting are compared and analyzed . we analyze and compare analog intervene method and time delay method according to their measuring precision and the measuring blind area to improve the measuring precision 对脉冲计数法中的两种提高测量精度的插入法:模拟插入法和延迟线插入法的精度和测量盲区两个方面作了分析和比较。
A device for converting energy form one form to another . in relation to computers , the term is applied to a read / write head , to detector of sector marks in a magnetic disc system , and to electronic / sonic pulse converters of delay line memory 把能量从一种形式转换成另一种形式的装置。在与计算机有关时，这个术语用在磁盘系统中的读写磁头、扇面标记的检测上，以及用在延迟线存储器的电子或声波脉冲变换器上。
Because the optical fiber delay lines have many advantages comparing with the traditional electronic delay lines , certainly it will get extensive application in the future . starting the research work right now seems to be very meaningful 由于光纤延迟线相对于传统的声表面波、电荷耦合器件、同轴电缆等延迟线具有带宽宽、损耗低、抗干扰、保密性好、重量轻、性价比高等诸多优点,将来势必得到更为广泛的应用。
Optical switch consists of optical switching array , tunable wavelength converter and fiber delay line . common pc is used as optical switching controller which can use application software to implement many kinds of control to optical switch 在设计中,用光开关矩阵、波长变换器和光纤延迟线构成光交换机,使用通用pc机作为光交换控制模块,通过编写pc软件实现各种光交换控制功能,因而使得对光交换机的控制变得非常灵活通用。
Then , focus on several methods to simulate the saw devices , including the saw filter , saw programmable tapped delay line which can be used various modulation including bpsk , msk , qpsk , resonator with saw delay line structure 然后重点介绍声表面波器件，包括声表面波滤波器和声表面波抽头延迟线的各种设计和分析方法。侧重介绍了准静态分析法，并编制了采用该方法分析滤波器的程序，实际制作的滤波器和设计仿真结果能很好吻合。
