此实验对下一代“原子钟”的产生是重要的一步，下一代“原子钟”将是基于光频而不再是微波频率。
The experiments are a significant step toward next-generation "atomic clocks" based on optical rather than microwave frequencies.
飞秒激光光梳技术大大简化了光频的测量。
Femtosecond laser-frequency comb techniques are vastly simplifying the measurement.
本文综合评述了光频标和光频测量研究的历史、现状和未来。
The history, present situation and future of optical frequency standards and optical frequency measurements were presented.
结果表明斜光抽运方案可以有效降低铯原子束频标中的光频移。
The results show, the light frequency shift can be effectively reduced in the sharp Angle laser light pumping scheme.
讨论了准相位匹配（QPM）技术中的非线性光频转换谐波振幅方程和谐波转换效率。
The harmonic amplitude equation and the generation efficiency of nonlinear optical frequency conversion(NOFC)in quasi-phase-matching (QPM) were discussed.
合适的基频光频率啁啾可以减小三倍频光脉冲的畸变，并有效地提高三倍频转换效率。
Furthermore, the suitable chirp of fundamental field can reduce the distortion of third-harmonic pulse and increase the third-harmonic conversion efficiency.
本文描述一台能改变光频移频率的新装置，它由旋转光栅、同步电机和调频电源组成。
A new device which can change the optical frequency shift is described. It consists of a rotating grating, a synchro motor and a power supply whose frequency can be adjusted.
结果表明。布里渊散射光频移受大气压、水汽压的影响很小。而受大气温度的影响很大。
The result shows that the frequency shift of Brillouin scattering light is scarcely influenced by air pressure and vapor pressure, and greatly affected by air temperature.
极化子是电子与光频支纵声子相耦合系统的准粒子，是凝聚态物理学中的一个重要课题。
Polaron is the quasi particle of the electron-longitude optical phonon coupling system, which is an important subject in the condensed matter physics.
研究了腔牵引效应、微波功率频移、光频移和缓冲气体温度系数对铷频标输出频率的影响。
The cavity pull effect, microwave power shift, light shift and temperature coefficient which mostly influence the performance of RAFS are studied.
我们理论分析并实验验证了一种利用多频相位调制产生等振幅光梳的方法。
We theoretically analyze and experimentally demonstrate a method of generating equal-amplitude optical comb exploiting multi-frequency phase modulation.
它主要由二次谐波产生、和频产生、差频产生、光参量振荡等构成。
It mainly consists of harmonic generation, sum-frequency generation, difference-frequency generation, optical parametric oscillation and etc.
结果表明：群速度延迟使三倍频光脉冲展宽；
The results show that group-velocity mismatch broadens the width of third-harmonic pulse.
亚微米光栅型导光板通过光栅空频控制出射光方向、控制槽深调节衍射效率，达到导光板出射光强的均匀性。
The transmission angle is controlled by grating frequency and the diffraction efficiency is controlled by groove depth of sub-micro gratings to get uniformity of transmission filed.
长期连续工作的袖珍激光系统是实现实用的光抽运铯束频标的关键。
A portable laser system, continually working for very long period, is the key part in realization of an optically pumped cesium beam frequency standard.
本文提出了一种基于多普勒频移的全光纤光路宽速度测量范围的测速传感器——多普勒光纤速度传感器。
This dissertation puts forward a kind of sensor with wide measure velocity range based on the Doppler Frequency Shift and all-fiber path, namely Doppler Fiber Velocity sensor.
实验表明，这一方案能够控制光WDM通信系统中的载波频移。
The results of experiments have shown that the design can control well the frequency drift in optical WDM systems.
以ooc编码为基础，利用素数跳频技术，提出一种三维无线光cdma编码方案。
Based on OOC code, this paper proposes a coding scheme of wireless optical CDMA by using prime frequency hopping.
在相干光正交频分复用系统中，本文提出了一种新型的基于循环前缀和虚载波的盲频偏估计方法。
A new blind frequency offset estimation method based on cyclic prefix and virtual subcarriers in coherent optical orthogonal frequency division multiplexing (CO-OFDM) system is presented.
讨论了系统性能对消光比劣化的敏感程度问题，并给出了评价方法，并据此对跳频系统和直接序列系统进行了比较。
Sensitivity of system performance to extinction ratio degradation and its evaluation were studied. Based on these analyses, the sensitivity of FFH-OCDMA system was compared to that of DS-OCDMA system.
实验结果表明高真空状态对于六倍频相干光的产生比在低真空状态下更为有利。
It indicates that the sixth harmonic generation in high vacuum is more preferable than that in low vacuum.
通过优化泵浦相位调制的配置，平衡受激布里渊散射抑制和泵浦相位调制造成的转换闲频光信号劣化，可以使转换闲频光信号的劣化得到有效的抑制。
By optimizing the pump phase modulation configuration, the converted DPSK idler's degradation can be dramatically decreased through balancing SBS suppression and pump phase modulation degradation.
研究了级联三能级系统中孪生色锁随机光场的相位共轭阿秒和频极化拍频(ASPB)不对称新效应。
The new effects of phase-conjugation asymmetric attosecond sum-frequency polarization beat (ASPB) of twin composite color-locking stochastic fields in cascade three-level system are investigated.
在高速实时的光交换系统中有时分、空分和频分主三种交换方式。
Three different architectures (time, space and frequency-division) are used in high speed and real time switching systems.
以EQC编码为基础，利用素数跳频技术，提出一种三维无线光cdma编码方案。
Based on EQC coding, a 3-d wireless optical CDMA coding scheme using prime frequency hopping is proposed in the paper.
以EQC编码为基础，利用素数跳频技术，提出一种三维无线光cdma编码方案。
Based on EQC coding, a 3-d wireless optical CDMA coding scheme using prime frequency hopping is proposed in the paper.
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