Using a simplified model of light interference, we discussed the physical essence of the spatial coherence demand on a photon correlation spectrum measurement system in dynamic light scattering.
利用光干涉的简化模型讨论了动态光散射中光子相关谱测量系统的空间相干性要求的物理本质。
By using the concept of "coherence area", we standardized three familiar statements about the spatial coherence criterion on a photon correlation spectrum measurement system.
利用相干面积概念对光子相关谱测量系统空间相干性判据的几种常见表述进行了规范。
Experimental results demonstrated that the spectrum characteristics based on coherence analysis can be used to diagnose the stator winding inter-turn faults of induction motors.
实验结果证实，基于相关分析得到的谱特征可以作为感应电机定子线圈短路故障诊断的依据。
This sensor system simultaneously measures the three parameters using the method of low coherence interferometric signal demodulation combined with optical spectrum measurement of the FBG and EFPI.
利用FBG、EFPI和低相干性干涉信号解调方法实现了用一个传感器同时测量三个参量。
The close distance between moving and quiescent target spectrum caused by the moving carrier, Compensation was realized through the coherence signal parameter was changed.
当舰速造成动静目标回波频谱太近时，须改变其相参信号实现补偿。
The power density spectrum of an inner-phase-modulated optical fiber resonator is analyzed theoretically and experimentally, which is valid for any source coherence time.
从理论上详细分析了光纤环形腔有内相位调制时的输出光电流功率谱密度函数，该理论对任意相干长度的输入激光光源都是有效的。
The theory of coherence function and spectrum of vibration and noise signals is applied in gearbox noise analysis in the paper. The basis of fault diagnosis of gearbox is theoretically introduced.
应用振动、噪声信号频谱分析和相干函数分析技术，从理论上说明变速箱故障诊断的依据。
Various parameters insisting of spectrum of source, imaging distance and spatial coherence can influence visibility of fringes. Their referential values were presented in this paper.
条纹对比度受光源谱分布、成像距离、光源空间相干性这些因素的影响，对参数的研究给出了它们的参考值。
It is significant to understand the atomic coherence by studying the optical pumping spectrum.
研究光抽运光谱对理解原子相干作用有着重要意义。
It is significant to understand the atomic coherence by studying the optical pumping spectrum.
研究光抽运光谱对理解原子相干作用有着重要意义。
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