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。
A improved Signal Phase Matching Principle - Signal Phase Matching Principle based on autocorrelation is proposed in this dissertation.
提出了一种改进的信号相位匹配原理——基于相关的信号相位匹配原理。
Finally, the improved phase-based processing has been tested on synthetic particle images, and experimental result demonstrates the effectiveness of the optimized matching method.
最后，使用合成的粒子图像进行了算法验证和效率分析并给出了仿真结果。经验证，优化后的相位相关匹配具有高效性与可靠性。
Based on the fundamental principle of nonlinear optics, the principle and condition of quasi-phase matching (QPM) are deeply studied in this thesis.
论文在非线性光学基本原理的基础上，进一步深入研究了准相位匹配原理和实现条件。
Based on the fundamental principle of nonlinear optics, the principle and condition of quasi-phase matching (QPM) are deeply studied in this thesis.
论文在非线性光学基本原理的基础上，进一步深入研究了准相位匹配原理和实现条件。
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