| 1. | Saturated absorption frequency stabilization 饱和吸收稳频 |
| 2. | Lamb dip frequency stabilization 兰姆凹陷稳频 |
| 3. | That will badly affect the dosage of linac . the method of maximum control process based on digital controller improves the accuracy of frequency stabilization 频差的大小直接影响整机的主要物理指标-射线能量,剂量率以及剂量率的稳定性。 |
| 4. | In order to improve the frequency stabilization of the doppler modulator , a series of affecting factors are considered in depth and optimized in the aspects of optics , mechanics and electronics 摘要为了提高激光多普勒调制器调制频率的稳定度,通过从光学、机械、电子学等方面的优化,对影响多普勒调制器的各种因素进行了深入的研究。 |
| 5. | Again , influence of mechanical dither on gyro frequency stabilization is discussed for the first time . a frequency stabilization circuit is designed and the approach to improve the precision of frequency stabilization is put forward 同时,首次分析了机械抖动对陀螺稳频的影响,设计了小抖动稳频电路,指出了提高稳频精度的途径。 |
| 6. | The experiment results show that : the frequency stabilization of the optimized doppler modulator has already reached rms error about 1 % , which could meet the need of reference signal of the lock - in amplifier 实验结果表明,经过优化后的多普勒调制器的输出调制信号频率的相对标准误差达到了1 %左右,能够满足锁相放大器对输入参考信号频率稳定度的要求。 |
| 7. | In 3 . 3 the theory of frequency stabilization was presented systematically in 3 . 4 the pid technique in feed back loop is simply introduced experiment arrangement , and experiment results of less than 340khz frequency noise is presented in 3 . 5 3 . 3系统介绍边带稳频的理论。 3 . 4围绕pid技术介绍对反馈信号的处理。 3 . 5介绍了实验装置和实验过程,得到了优于340khz的频率稳定性。 |
| 8. | With the development of laser techniques , the optical cavity has played an important role on monitoring laser mode , measurement and narrowing of laser linewidth , laser mode cleaner , laser frequency stabilization , optical spectrum and cavity - qed etc . , due to its advantages of ultra - low losses , high finesse and narrow linewidth 随着激光技术的发展,谐振腔由于其腔内损耗小、精细度高、线宽窄等特点,使得其在监视激光模式、测量并压窄激光线宽、激光模式清洁、激光稳频、激光光谱学、腔量子电动力学等方面起到重要的作用。 |
| 9. | The injection - locking technology , characterized by the frequency stabilization , amplification , modulation and etc , has been widely used in the small - signal recovery , frequency synchronization , power synthesis , phase modulation and etc in the microwave , millimeter wave and higher frequency range communication and phased - array systems 注入锁定技术具有稳频、放大、调制等特性,已被广泛应用于微波毫米波以及更高频段通信和相控阵系统中的小信号恢复、频率同步、功率合成、相位调制等。 |
| 10. | Simulations on light intensity are validated by experiments and influence of mechanical dither on gyro frequency stabilization is studied for the first time . then it is point out that the key to improve the precision of frequency stabilization is to choose appropriate modulation frequency based on the frequency spectrum of sharp pulses , which is introduced by mechanical dither . thereafter , experiments of frequency stabilization under different modulation frequencies are made 通过实验验证了光强仿真结果,首次分析了机械抖动对稳频的影响,指出提高机抖陀螺小抖动稳频精度的关键在于:根据机械抖动引入的交流光强尖峰脉冲频谱分布选择合适的调制频率,并给出了不同调制频率的稳频实验结果。 |