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A fiber optic pyrometer tased on the principle of colorimetric temperature measurement is introduced.

文章介绍了一种基于比色测温原理研制的光纤测温仪,分析了比色测温原理,推导了其数学模型。

First, the physical meaning of the principle of preservation of probability is clarified, and the principle is then presented in terms of random event description and state space description, respectively.

文中首先剖析和澄清了概率守恒原理的物理意义,论述了概率守恒原理的随机事件描述和状态空间描述,并由此阐明了概率密度演化与系统物理演化的内在联系,即:系统的物理状态演化构成了概率密度演化的内在机制。

Some key part is ameliorated to meet the demands of working. This thesis mainly includes:(1) Analysing the working principle of the spring operateing mechanism, expatiating the character of the mechanism;(2) With the design aim of the spring operating mechanism, accomplishing the design of ZW□-12/630-20 outdoor HV vacuum breaker based on the systemic design theory of the spring operating mechanism, which includes spring mechanism of open-close switch; cam mechanism based on the principle of power balance; buckle-off mechanism with force-minished device; ratchet wheel mechanism with number-increased detent;(3) In the design on the spring operating mechanism for the outdoor vacuum breaker, using the air cushion device with speed controller to ensure the steady working of the spring operating mechanism;(4) Accoding the problem of daily maintenance for HV circuitbreaker, giving some effective steps of daily maintenance.

论文工作主要包括以下几个方面:(1)从真空断路器弹簧操动机构的功能原理出发,详细分析了该机构的工作原理,阐述了机构工作的基本特性;(2)根据工程实际提出了真空断路器弹簧操动机构的设计目标,在系统分析弹簧操动机构设计理论的基础上,完成了ZW□-12/630-20型户外真空断路器弹簧操动机构的设计工作,其中包括真空断路器弹簧操动机构的分合闸弹簧机构的设计;以输出力特性曲线设计机构理论演化出的功率平衡原则为基础的凸轮机构的设计;带有减力机构的滚动摩擦扣结方式的脱扣机构设计;根据实际情况增加了棘爪数量的棘轮机构设计;(3)在真空断路器弹簧操动机构的设计中,引入了速度控制模式空气缓冲器,对惯性负载起到了良好的自动缓冲效果,从而保证了真空断路器弹簧操动机构稳定、有效地运行,保证了真空断路器的动作质量;(4)针对目前真空断路器运行过程中存在的问题,提出了有效的日常维护措施。

The principle of holographys recording and readout and HDS are analyzed in this paper.

论文从理论上探讨了全息记录和再现的原理,并分析了全息瞄准镜的工作原理

The former can be computed by the iterative physical optical method directly and the later by the boundary element method, the generalized network principle and the reciprocity theorem are then employed to deal with the coupling across the aperture opening.

首先根据等效原理将目标散射场进行分解,分别采用迭代物理光学法和边界元法计算槽缝填充的电大目标和槽缝散射,并应用广义网络原理和互易定理处理口径耦合问题。

Based on the above results, the problems of the electromagnetic interaction between a perfect conducting plate and 1-D/2-D conducting slightly random rough surface and the problems of the electromagnetic interaction between a dielectric spherical particle and dielectric slightly random rough surface are investigated. By using the reciprocity theorem, Small Perturbation Method and Physical Optics approximation, the solution for the composite scattering field from the composite target is derived and evaluated, and the numerical results are discussed and analyzed.

在此基础上,用互易性原理分别研究了一维、二维导体微粗糙面与其上方金属导体平板目标的复合电磁散射及介质粗糙面与其上方球形粒子的复合电磁散射,结合互易性原理和粗糙面散射微扰法及物理光学近似导出了复合散射场的计算公式并进行了数值计算,对计算结果进行了讨论和分析。

The research work presented in this dissertation focused on developing the scheme and techniques of OPCPA. This dissertation gives the results of the theoretical and experimental investigation on OPCPA scheme. The validation of OPCPA at high energy level was demonstrated successfully. And some important results were achieved. Several key techniques related to developing table-top ultra-intense and ultra-short OPCPA laser system were put forward, for example, the generation of femtosecond seeding pulses, the precisely temporal synchronization of the pump and signal pulses, the pulse stretching and recompression, the OPCPA process with high energy conversion efficiency and etc. Based on the integration of these key techniques, a 1.46-TW/153-fs OPCPA table-top ultra-intense and ultra-high laser system has been developed, which, to the best of our knowledge, has generated laser pulses with the shortest pulse duration and the highest peak power among the joule level OPCPA systems in the world.

本学位论文工作主要是瞄准 OPCPA 这一国际上提出不久并处于初级阶段的新概念,重点开展了 OPCPA 新原理的理论模拟、实验验证,以及基于 OPCPA 新原理的小型化超强超短激光系统的研究与发展,创造性地解决关键科学技术问题,建立并发展相关关键科学技术,如超短脉冲种子源的产生、小型化强激光泵浦源的研制及其脉冲的整形、信号光与泵浦光的精确同步、高效率光学参量放大及高保真脉冲展宽与压缩等关键技术,并在单元技术的总体集成方面取得了重大创新性进展与突破性研究成果,获得了国际上高量级泵浦条件下 OPCPA 激光研究中峰值输出功率最高且脉冲宽度最短的总体领先结果。

This paper presents the principles of the Raman back-scattering effect based temperature sensing and the OTDR (Optical Time-Domain Reflectometry) based positioning.

本文介绍了光纤拉曼散射测温基本原理和基于光时域反射定位原理

The main contents is: analyzing some detection method to moving target nowadays; particular studying the principle of detection moving target in SAR; analyzing SAR imaging theory and the echo model of moving target; discussing conventional SAR imaging , the movements of target cause the changes of doppler mass center and regulable frequency, and the changes cause effect the imaging result; introducing the estimation method of doppler parameter; analyzing theory of DPCA, derivating the formula needed, and validating it's validity and practicability through simulation; advancing the improved DPCA algorithm that combine the advantage of DPCA and ATI, and validating it through computer simulation; using the revision algorithm to range ambulate based on keystone transformation, and validating it through computer simulation; discussing the compensation art of SAR imaging.

主要内容有:分析了现有的一些动目标的检测方法;详细研究了SAR动目标检测的原理;分析了SAR成像理论和运动目标的回波模型;探讨常规SAR成像时,目标运动引起的多普勒质心和调频率变化,以及这些变化对成像结果的影响;介绍了多普勒参数的估计方法;分析了DPCA原理,推导所需要的基本公式,并仿真验证其有效性和实用性;提出了结合DPCA和ATI优点的改进DPCA算法,并仿真验证;探讨了SAR成像中的运动补偿技术。通过对仿真结果的分析,本文提出的方法具有一定的指导意义和参考价值。

Chapter 2 The Evolution of the Rehearing System and Rehearing Principles the focus of this chapter is the rehearing evolution in Germany, Japan and our country and principles hidden in the rehearing reasons.

第二章「再审制度沿革与再审原理」,本章讨论的重点为德国、日本与我国再审之诉的演变,以及再审事由背后所隐含之原理

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推荐网络例句

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里,举止就文雅一些,因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计,这件高贵的制服是香港本土制造,是我们第一套不配帽子的制服。

Do not 'inflate' your achievements and/or qualifications or skills .

不要 '夸大' 你的业绩或成果,条件或者技能。