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- atomic frequency generator 原子频率发生器
- The uncertainty of the Cs Atomic Frequency Standard System is evaluated as well as the result of measurement of a nanosecond universal counter. 对铯原子频率标准装置不确定度和纳秒通用计数器测量结果的不确定度进行评定。
- Meanwhile, we take some improvement measure in order to improve the stability about 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。
- 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。
- Then we design the multiplier circuit which is an important part for the rubidium atomic frequency standards and its noise is the main source of the whole system’s noise. 而倍频电路是原子频标的一个重要部件，其噪声是系统噪声的主要来源之一，其性能对铷原子频标的性能有很大影响。
- Nowadays, the rubidium atomic frequency standard takes the dominant position because of its features of small size, light-weight, low consumption, simple configuration, excellent property and so on. 而铷原子频凭借其自身体积小、重量轻、功耗低、结构简单、性能优良等特点，成为至今应用最为广泛的一种原子频标。
- Purpose: Audio frequency general purpose ,driver stage amplifier applications. 用途:用于音频放大,激励级放大。
- In the process of maintaining and upgrading 8410 ICP direct reading spectrometer, maintaining and adjusting of -145 V switching power supply of ICP high frequency generator are often required. 摘要在维修和改造8410型电感耦合等离子体直读光谱仪过程中，经常需要对ICP高频发生器中的开关电源进行维修和调整。
- A kind of cost-effective and high performance inverter for portable immediate frequency generator was develoed combining the dual phase-shifted SPWM control strategy with digital SPWM modulator. 将二重移相SPWM控制策略与数字式SPWM调制器相结合,研制了一种适用于便携式中频发电机的低成本、高性能逆变器。
- The light frequency shift,collision frequency shift and microwave power frequency shift on long term stability of influencing rubidium atom frequency standard are discussed in this paper. 对影响铷原子频标长期稳定度的光频移、碰撞频移和微波功率频移进行了分析。
- Voltage and frequency generated by synchronous generator vary along with the wind variation, so the power must be dealt with before it is applied to grid. 同步直驱风力发电系统的定子电压和频率随风速的变化而变化,需要经过一系列控制电路的调整才能并网。
- Cesium beam atomic frequency standard 铯束原子频率标准
- The heterodyning principle is well known in nonlinear optics as difference frequency generation (DFG). 在非线性光学领域,超外差原理就是著名的差频产生(DFG)技术。
- System of Rubidium atomic frequency standard 铷原子频标多参数测量及数据采集系统
- Zero Aging Rate Rb Atomic Frequency Standard 无老化漂移铷原子频标实验室
- High Stability Synthesizer High Frequency Generator 高稳定度频率合成高频信号发生器
- rubidium gas cell atomic frequency standard 铷气泡原子频率标准
- The atom bomb is of catholic concern. 原子弹受到普遍的关注。
- bipolar high frequency generator 双极高频发生器
- That cannot get up an atom of sympathy for them. 那并不能激发起人们对他们的丝毫同情。
