The principles of laser frequency transformation and the theory of phase matching in nonlinear optic crystals are also discussed. Based on this theory, Angle of phase match is calculated.
在总结激光频率变换的原理和非线性光学晶体的相位匹配理论的基础上，可以根据相位匹配理论进行晶体的相位匹配角的计算。
The transformation of Hermite Gaussian laser beam through random phase plate is discussed in detail by partial coherence theory in this paper.
本文利用部分相干理论研究了高阶厄米-高斯光束通过随机位相片的变换。
By the aid of the phase shift-frequency characteristic, the conformal transformation and the perturbation theory, a new kind of compact, broadband waveguide phase shifter is developed.
借助相移-频率特性、保角变换和微扰理论，研制出了新型的宽带移相器。
In order to achieve broadband signal phase measuring, theory of signal transformation is demanded to achieve the frequency transformation of input signal.
为了实现宽频信号的相位测量，需要运用信号变换理论对输入信号的频率进行转换。
In terms of the Martansite pre-transformation theory and Bainite phase theory, explanations are given from the view of energy.
作者根据预马氏体转变理论和贝氏体相变孕育期内的预相变理论，用能量的观点对此现象进行了分析和解释。
Based on the total-reflection phase transformation theory, the Fresnel rhomb retarder is obtained with a structure Angle with which the phase retardation is insensitive to the Angle of incidence.
根据全反射相变理论设计了菲涅耳菱体型相位延迟器延迟量对入射角变化不敏感的结构角。
Based on the total-reflection phase transformation theory, the Fresnel rhomb retarder is obtained with a structure Angle with which the phase retardation is insensitive to the Angle of incidence.
根据全反射相变理论设计了菲涅耳菱体型相位延迟器延迟量对入射角变化不敏感的结构角。
应用推荐