Loop frequency locking technique in phase modulation spectroscope technique R-FOG system has been researched. 对基于调相谱检测技术R-FOG系统中的环路频率锁定技术进行了研究。
We theoretically analyze and experimentally demonstrate a method of generating equal-amplitude optical comb exploiting multi-frequency phase modulation. 我们理论分析并实验验证了一种利用多频相位调制(PM)产生等振幅光梳的方法。
In digital phase modulation system, there always exists carrier phase-ambiguity in the process of coherent demodulation. 在数字相位调制(PM)系统的相干解调过程中,普遍存在着载波相位模糊问题。
The method of generating equal-amplitude spectral lines by multi-frequency phase modulation is used in stimulated Brillouin scattering ( SBS ) suppression. 理论和实验上研究了多频相位调制(PM)产生等幅光谱线并将其应用在光纤传输系统中的受激布里渊散射抑制(SBS)。
A new method for making a thin silver halide phase holographic grating with an expectation phase modulation is proposed. 提出了一种制作具有预期位相调制度的卤化银乳胶位相型薄全息光栅的方法。