Any theory has its limits of applicability including the phase-matching condition.
任何一种理论都有它的适用范围，相位匹配条件亦不例外。
We calculate the best phase-matching angle according to the Sellemier equations of KTP and compare the quality of LBO.
根据KTP晶体不同的色散方程，对该匹配角进行了数值计算；并比较了LBO晶体的相关特性。
A study on the mode under the condition of phase-matching of stimulated four-photon mixing (SFPM) in optical fiber waveguides has been performed.
本文对相位匹配条件下光纤波导中的受激四光子混频(SFPM)过程的模式问题进行了理论和实验研究。
The harmonic amplitude equation and the generation efficiency of nonlinear optical frequency conversion(NOFC)in quasi-phase-matching (QPM) were discussed.
讨论了准相位匹配（QPM）技术中的非线性光频转换谐波振幅方程和谐波转换效率。
In this paper, the fundamental feature of MHBAcrystal growth and structures have been described. Phase-matching properties within alltransperent regions have also been studied in detail.
本文阐述了MHBA 晶体的生长及结构特点，详细研究了晶体整个透光范围内的位相匹配状况。
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。
It is necessary to adjust the direction of incident light for minimum phase mismatching when the direction of phase matching deviated from crystal normal direction.
晶体倍频中当晶体表面法线与相位匹配方向不一致时，需调整入射光方向使相位失配最小。
The phase matching conditions for sum frequency generation are analyzed. The optimum phase matching angles and effective nonlinear coefficients for KTP and LBO are derived and calculated.
进行了双束激光和频相位匹配的理论分析，给出了KTP和LBO 两种晶体在和频时的最佳相位匹配角和有效和频系数。
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。
Asimple method for calculating optimum phase matching parameters for biaxial crystals is presented.
本文提出一种计算双轴晶体最佳相位匹配参量的较简单的方法。
The factors affecting the best phase matching condition and the methods to expand the tunable range of VUV output in the weak pump case are discussed.
特别着重讨论了影响最佳相位匹配的因素和在弱泵浦光条件下增大调谐范围的途径。
In Cerenkov second harmonic generation (CSHG) scheme, the phase matching condition is satisfied automatically, but the conversion efficiency is low.
切伦科夫方案中，相位匹配条件可以自动满足，但是倍频效率较低。
The self induced phase matching in four wave mixing in a nonbirefringent single mode optical fiber has been observed.
报道了无双折射单模光纤中四波混频的一种新型相位匹配方式。
By following the way of studying the nonlinear effect as a whole, the influence of the SPM and XPM to the phase matching condition of FWM is studied.
根据综合研究非线性效应的考虑，本文研究了自相位调制及交叉相位调制对四波混频相位匹配的影响，在一定的简化下得到了解析的结果。
To keep the continuity between different frames, phase matching algorithm is also utilized.
在正弦波合成中采用相位匹配合成算法，保证了帧间参数的连续性。
The paper discusses the methods of iris location and image enhancement, and proposes a phase matching algorithm to recognize and identify iris.
此文讨论了虹膜图像定位、增强等预处理的方法，并提出了一种相位相关的匹配算法对虹膜图像进行识别和判断。
Special consideration was paid to the transportation of coherent flux and phase space matching in horizontal and vertical directions.
重点考虑了相干辐射的传输，分析了水平和垂直方向的相空间匹配问题。
In order to deal with the problem of the estimation of image registration parameter, this thesis ADAPTS the way of combining the methods of phase correlation and template matching.
针对图像配准中的亚像素参数估计问题，提出了一种相位相关和模板匹配相结合的方法。
The transition from the rectangular waveguide to the cavity coupler in LINACis made by means of a matching iris, which leads to amplitude and phase asym-metries of fields in the cavity coupler.
电子直线加速器的腔式耦合器通过侧面匹配膜片和方波导相连，它引起了腔中场振幅和相位的不对称。
We also find the phase jump of electromagnetic wave of surface reflection when the generalized matching law is satisfied.
在满足广义匹配规律时，表面反射波位相发生突变。
The principle of matching the motor with its driving circuit is to get their minimum phase to be zero.
电路与马达的匹配原则是匹配后的最小相位为零。
One of the most effective and feasible ways of broadening the range of the output wavelength is using frequency conversion of non-linear Crystal under the condition of phase matching.
拓宽激光输出波长的范围最常用最有效的方法之一是利用非线性晶体在相位匹配条件下的频率变换技术。
In order to verify the validity for signal phase matching principle, the experiments of DOA (Direction of Arrival) estimation are carried out at reservoir by using 16-sensor array.
为了验证信号相位匹配原理的正确性，利用自制的16元线列阵，在水库进行了声源定向实验研究。
Phase matching is of particular concern with some high speed digital circuits, because unmatched cables may cause excessive clock skew, resulting in erroneous operation.
由于不匹配的电缆可引起过度的时钟相偏（Clock Skew），导致错误操作，所以相位匹配是有些高速数字电路中特别要注意的事项。
Phase information is used for matching the input imagery with the template.
该程序是用相位信息来匹配输入图像和模板。
Optimizing the matching net and reducing the phase angle between the output voltage and current to reduce the reflection power of the loads, iv.
优化匹配网络，减小负载电流和电压的相角，以减少负载反射功率；
On the basis of signal phase matching principle and the method of least squares of parameter estimation, a method for single-frequency signal detection is presented in this paper.
根据信号相位匹配原理及其信号参数的最小二乘估计方法，提出了一种单频信号检测方法。
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。
The third-order nonlinear susceptibilities of the plasma are derived analytically and the condition to satisfy the phase matching is discussed.
文中解析地导出此情况下等离子体介质的三阶非线性极化率，并讨论其位相匹配条件。
The results indicate that the adaptive algorithm offers adequate tracking performance for time-varying phase and gain errors, reducing the matching requirements of the analog front-end.
结果表明这种自适应算法对时变幅相误差具有优良的跟踪性能，同时降低了对模拟前端的匹配要求。
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