maser的例句大全

Development of miniature passive hydrogen maser at Shanghai Observatory

被动型小氢钟的研究进展

The improvement of the performance of the hydrogen maser clock at Shanghai Observatory in recent years

近年来上海天文台氢钟性能的改进和提高

Miniature passive hydrogen maser is developed at Shanghai observatory.

介绍了上海天文台被动型小氢钟的研制进展，给出了当前的测试结果。

Shanghai Observatory developed successfully a kind of engineering model of hydrogen maser to be used on an engineering vehicle.

受有关方面委托，上海天文台于1991年研制成功一种车载式工程型氢原子钟。

Linear and Nonlinear Investigation of Coaxial Waveguide Cyclotron Autoresonance Maser ( CARM) Amplifiers; Investigation of Back-Reflection of Ring Resonator in Resonator Optic Gyro

同轴波导回旋自谐振脉塞放大器的线性与非线性研究谐振式光学陀螺环形谐振腔内背向反射研究

Grade. the improvement of the bell jar and the fore pump system for Shanghai observatory's hydrogen maser

氢钟钟罩及前级真空机组的改进设计

This paper describes the design and manufacture of the titanium vacuum bell jar and the improvement of the fore pump system for Shanghai Observatory's hydrogen maser.

本文介绍了氢钟钛合金钟罩的设计制作以及机械泵&分子泵前级真空机组的改进设计。

Electrostatic electron cyclotron maser ( EECM) is studied and the expression of a great kind of specific singularity is derived by using semi-classical theory approach.

本文用半经典理论研究了静电电子回旋脉塞，导出了一大类特定奇点的表达式。

Based on electron cyclotron maser, gyrotron has good applied foreground in military weapon, millimeter wave radar, communication, exact control and guide and so far.

回旋管是一类基于电子回旋谐振受激辐射机理发展而成的快波器件，在军事武器、毫米波雷达、通信、精确制导等方面都有很好的应用前景。

Experimental Estimation of Hydrogen Maser's Oscillation Parameter q and Diagnostic Technique of Hydrogen Maser

氢脉泽振荡参数q的实验估算及氢脉泽诊断技术

This paper describes a measurement method for experimental estimating oscillation parameter q of hydrogen maser.

本文介绍一种实验估算氢脉泽振荡参数q的测量方法。

An Experimental Study for the Compact Hydrogen Maser with a TE_ ( 111) Septum Cavity

小型TE（111）无泡隔膜腔氢脉泽的实验研究

Analysis of the Majorana Transition Used with H-maser: Single State Selector and Beam Optics

氢脉泽中Majorana跃迁的分析：单态选择与束光学

The hydrogen maser is the most stable frequency standard generally available today for all but the shortest measuring times. For long measuring times of 10 4s or longer, its performance typically deteriorates due to frequency drift of high Q resonant cavity.

氢脉泽是至今为止除极短时间测量间隔之外最稳定的频率标准，对于104s或更长的测量时间间隔，它的性能由于高Q值谐振腔而引起频率漂移而变坏。

The Majorana transition and the beam optics configuration are analysed for the purpose of designing the hydrogen maser state selector.

分析了氢脉泽中Majorana跃迁和双聚焦束光学系统。

The ZEEMAN frequeney is one of important working parameters of hydrogen maser frequency standards, so a special digital time and frequency synthesizer, which is used to measure ZEEMAN frequencies, was developed.

ZEEMAN频率是氢脉泽时间频率标准的一个重要工作参数，为此上海天文台研制了一种专用的数字频率合成器，用来测量ZEEMAN频率。

This paper provides information about the design and specifications of a new generation of the H maser for the Chinese mobile VLBI stations, including the improvement of the cavity bulb, magnetic shields and atomic beam optics.

文中对为流动VLBI站研制的新一代氢脉泽的物理结构特点进行了讨论，包括对腔泡结构、磁屏蔽、原子束光学系统等。

By using the spectrum observation data obtained from three VLBI observatories in the U. S., the clock differences of hydrogen masers in NRAO and HRAS are calculated related to the VLA maser.

利用美国三台站VLBI谱线观测资料，计算NRAO和HRAS氢脉泽钟相对于VLA的钟差和钟速差。

A Study on the Hydrogen Maser with Cavity Auto-tuning

腔体自动调谐氢脉泽的研究

Techniques used to Improve the Frequency Stability and Reliability of Hydrogen Maser

改善氢脉泽标准频率稳定度和工作可靠性所采用的技术