论文摘要的英文翻译

论文摘要是对论文的简短陈述;它具有不读原文就知全文,短、精、完整三大特点。它一般在全文完成之后形成;论文摘要由目的、方法、结果和结论四部分组成;以供读者确定无误的阅读全文。论文摘要翻译主要语种比较广泛,有英语翻译,韩语翻译,法语翻译,日语翻译,德语翻译,俄语翻译,阿拉伯语等60多种语言,不过最主要的还是英文翻译
    论文摘要的英文翻译分为两大类:
    指示性摘要:只通报论文主题,不介绍研究的材料、方法和结果,用一般现在时表述。
    资料性摘要:告诉读者研究的总体情况,使他们了解研究的目的、材料、方法、结果、结论以及存在的问题。
    英信翻译总结出,论文摘要翻译无论何种形式的陈述,都包含主题、目的、方法、材料、结果、结论这几点基本要素。
ABSTRACT:
    摘要:
One subsystem critical to the performance of a precision electro-optical line-of-sight (LOS) pointing system is a wide-band inertial stabilization reference. This paper compares, in terms of relative performance of LOS stabilization in the presence of vehicle jitter, three inertial LOS stabilization reference mechanizations for space-based optical systems. The three mechanizations are: an inertially stabilized platform, the Inertial Pseudo-Star Reference Unit (IPSRU) under development at Draper Laboratory; a device called the Optical Reference Gyro (ORG), also developed at Draper Laboratory; and a strapdown wide-band inertial sensor assembly. Each of the three stabilization reference mechanizations generates a collimated alignment beam that is injected into the entrance aperture of the optical system.
    对于电-光视轴(LOS)瞄准系统精度性能而言,宽频带惯性稳定参考是一个至关重要的子系统。本论文从存在飞行器抖动情况下LOS稳定的相对性能方面,比较了天基光学系统三种惯性LOS稳定参考机械化。这三种机械化分别为:由德雷帕实验室开发的一种惯性稳定平台,即惯性伪星参考装置(IPSRU);同样由德雷帕实验室开发的光学参考陀螺仪(ORG)设备;以及捷联宽频带惯性传感器组件。这三种稳定参考机械均能生成注入光学系统入口孔径的准直校准光束。
    In the stabilized platform mechanization, the alignment beam emanates from a platform inertially stabilized from vehicle jitter in two axes, and thus the alignment beam becomes a jitter-stabilized pseudo-star. An alignment loop closed around the pseudo-star image and a steering mirror in the optical path stabilizes the LOS against vehicle jitter. The ORG alignment beam projects from the gyro rotor, which is decoupled from case motion and is effectively inertially stabilized. The ORG spin-speed noise is compensated with phase-lock technology. In the strapdown mechanization, the alignment beam source is hard-mounted to the vehicle. Inertial measurement of the local vehicle motion is fed forward, open loop, to a steering mirror in the optical path to compensate for alignment beam jitter.
    在稳定的平台机械中,校准光束从对两条轴上的飞行器抖动进行惯性稳定的平台上发出,因此该校准光束构成抖动-稳定伪星。靠近伪星图像和光程中控制反射镜的校准环负责在飞行器发生抖动时稳定LOS。ORG校准光束发射自陀螺转子,并通过壳体运动进行去耦,有效地实现惯性稳定。ORG旋转-速度噪声利用锁相技术加以抵消。在捷联机械化中,校准光束源硬挂载到飞行器上。局部飞行器运动的惯性测量值通过开环前向反馈至光程中的控制反射镜,以抵消校准光束抖动。

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