rubidium

In the Rubidium frequency standard, It is necessary to generate a fractional frequency signal. So DDS ( direct digital synthesis) is optimal candidate.

在铷原子频标中，需要产生带有小数频率的微波信号，DDS（Direct digital synthesis）逐渐成为实现该频率的最佳手段。

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Distribution and movement of~ ( 86) Rb tagged rubidium in cinnamonic soil field of poplar plantation

应用~（86）Rb研究铷在杨树生长地区土壤（褐土）中的移动与分布

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Low Noise Frequency Conversion Technology and the Improvement on Rubidium Frequency Standard

低噪声频率变换技术及铷原子频标的改进

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An easy discuss about temperature's long stability of space rubidium clock

浅谈温度对星载铷原子钟长期稳定性的影响

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The Circuit Design of Frequency Standard in Miniaturization Rubidium Atomic System

小型化铷原子频标电路设计

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A method of radiochemical separation of rubidium from complex system is described.

简述了复杂样品中铷的放化分离方法。

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Effect of Shock and Vibration on Frequency of POl-Type Rubidium clock

振动与PO1型铷钟频率变化的实验

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Decontamination factor for cesium is more than 106. Recovery ratio for rubidium is more than 80 %.

建立了简便、高效的铷、铯放化分离流程,对铯的去污系数大于106, 铷的回收率大于80%.

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A construction layout about flexible, convent, new type, multi parameter, high accuracy, large volume data acquisition system for the Rubidium atomic frequency standard test is put forward.

提出了一种用于铷原子频标实验的灵活、方便的新型多参数、高准确度、大容量数据采集系统的构成方案。

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The rubidium lamps and cells are now obtainable only for replacement.

现在能够得到的铷光源和容器仅作备用.

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Overhaul of XSR type of Rubidium atomic frequency standard

XSR型铷原子频标的检修

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In this paper, we study the rubidium atoms resonance ionization for step through general rate equation.

本文从一般速率方程出发, 研究了铷原子三步激光共振电离过程.

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Study of the Stark Shift of New Type Rubidium Atomic Optical Filter

新型铷原子滤光器斯塔克频移研究

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Principles of synchronous phase detecting and digital servo for rubidium atomic frequency standards ( RAFS ) were discussed.

利用该数字伺服系统,实现了 铷 原子频标的闭环锁定,短期稳定度指标达到一般商品 铷 钟水平.

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And rubidium shows a bright future in the new energy conversion application.

而铷在新能量转换中的应用显示了光明的前景。

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A digital servo system for rubidium frequency standards was designed with microcontroller unit , ADC and DAC.

分析了铷频标内锁频环路相敏检波基本原理和数字伺服的基本方法.

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Meanwhile, we take some improvement measure in order to improve the rubidium atomic frequency standard.

同时通过定量分析对电路实现提出了一系列优选方案, 从而使铷原子频标的性能得到改善.

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Based on available frequency standards: one prototype laboratory model of cesium clock, three hydrogen clocks and several ( 2-6) rubidium clocks, the SO atomic time scale has been established.

利用我们现有的标准，一台试验型实验室铯束标准，三台氢原子钟以及若干台（2-6）铷气泡标准来建立原子时尺度。

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The structural parameters of the first and the second coordination shell in the hydrated rubidium and sulfate ions have been obtained by refining the geometric model.

由几何模型的精修得到了溶液中阳离子和阴离子第一、二水合层的结构参数。

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Application of Digital Frequency Modulation and Digital Servo in Rubidium Frequency Standard

数字调频及数字伺服在铷频标中的应用

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Analysis and Design of High-Order Microwave Multiplier for Rubidium Atomic Frequency Standard

铷原子频标微波高次倍频器的分析与设计

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Studies on the rubidium bead used in nitrogen-phosphorus detector ( npd) for gas chromatography

气相色谱氮磷检测器中铷珠的研究

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Analyses failures of XSR type of Rubidium atomic frequency standard used in our factory, and introduces the situation of particular overhaul in detail.

对我厂的频率标准XSR型铷原子频标发生的故障及具体检修情况作了较详细的分析和介绍。

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Rubidium atomic clock is used for the time reference signal in the system, by which the user can get the positioning information without sending any signal.

该系统用高稳定度铷钟作为时间基准信号，实现了无源导航定位功能。

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Study on the Synthesis, Characterization and Thermodynamic Properties of Rubidium Compound

重稀碱金属铷化合物的合成、表征及热化学性质的研究

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German chemist who pioneered in spectrum analysis and codiscovered the elements caesium and rubidium.

德国化学家,是光谱分析领域的先驱,与人合作发现了铯和铷两种元素.

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Measurement and research about the characteristic of Rubidium Atomic Clock's long-term aging

铷原子钟长期老化特性的观测与研究

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But the effective size for rubidium atoms is 50 times smaller.

然而铷的有效截面却小上50倍.

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A Radio Frequency Multiplier for the Rubidium Vapor Cell Frequency Standard

一种铷原子频标射频倍频单元的实现

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The Standard Thermodynamic Function of Transfer of Rubidium Tetraphenylborate from Water to Straight-chain n-Alkanols

四苯硼酸铷由水至直链一元醇中的标准迁移热力学函数

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