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- atomic frequency reference 原子基准频率
- 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。
- Since the carrier is suppressed, this phase and frequency reference is required for synchronous demodulation of the color information in the receiver. 由于载波收到抑制,因此需要这个相位和频率参考来对接收机的颜色信息进行同步解调。
- 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。
- With appropriate selection of the data rate and under normal SNR conditions, the degradation of tracking performance is quite small, and the effect of frequency refer ence instability can be ignored. 通过合理选择数据速率,以及在正常的再生伪码测距信噪比条件下,跟踪性能损失很小,同时频率参考源不稳定的影响可以忽略。
- 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。
- 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。
- power frequency reference voltage 工频参考电压
- Cesium beam atomic frequency standard 铯束原子频率标准
- 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
- rubidium gas cell atomic frequency standard 铷气泡原子频率标准
- passive atomic frequency standard 无源原子频率标准
- The atom bomb is of catholic concern. 原子弹受到普遍的关注。
- cesium beam atomic frequency standards 铯束原子弹频率标准
- 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。
- rubidium atomic frequency standard 铷原子频率标准
- The ship was sunk by an atomic submarine. 这艘船是被一艘核潜艇击沉的。