In this paper,through optimum design to passively Q-switched by Cr∶YAG at 946nm,we choice the gain crystal,Q-switched crystal,length of the cavity and optimum focusing.
通过对Cr∶YAG被动调Q腔外倍频 4 73nm蓝光全固态激光器的优化设计 ,合理的选择了激光晶体 ,调Q晶体 ,谐振腔长 ,最佳聚焦光斑 ,在泵浦功率为 1。
The best focal point is determined by the spherical aberration coefficient, and .
球差系数决定了最佳聚焦点的位置。
At the same time a method to decide the preferable clustering number is also presented, so the clustering center and preferable clustering number can be determined,and the clustering model is used in the research of runoff rul.
对水资源系统的规律研究通常是对系统进行聚类、识别来实现,目前可用于水资源系统的模糊聚类的理论和模型很多,但是每种方法都有各自的特点,本文介绍一种模糊聚类循环迭代模型和最佳聚类数的确定方法,通过直观的离散函数曲线确定最佳聚类数和循环迭代的方法确定聚类中心,达到对样本进行归类的目的,最后将模糊聚类循环迭代模型应用到流域年径流规律的研究中,这对认识流域年径流规律具有一定的意义。
Fuzzy clustering iteration model and a method to decide the preferable clustering number are established by authors.
给出一种模糊聚类循环迭代模型以及确定最佳聚类数的方法,采用交叉循环迭代的方法确定聚类中心,通过判断聚类准则函数获得最佳聚类数。
Selection of the Optimal Focusing Frequency and the Influence on the Performance of Coherent Signal-Subspace Method by Focusing Frequency;
最佳聚焦频率的选择及对宽带相干子空间算法性能的影响
best image plane of zoom lens
变焦距物镜的最佳像面
A mixed-use land development model will focus on comprehensively planned neighbourhoods maximizing vibrancy and identity in layout and design.
混合用地发展模式聚焦于邻里空间最佳化和有个性的平面设计。
Abstract: The method for calculating the optimum detectability ofultrasonic focussing probe is discussed theoretically.
文摘:从理论上推导了聚焦探头对缺陷最佳检测能力的计算方法。
The Calculation of Optimum GRIN Rod Length Used on DMW Devices
适用于波分复用器的自聚焦棒透镜最佳长度的计算
The optimum type of focusing depends on the subject and lens being used.
最佳的对焦类型取决于景物和所用的镜头。
STUDY OF SETTING UP THE BEST REACTIONSY STEM TO MENSURATE ε-PL CONTENT
ε-聚赖氨酸含量测定最佳体系的研究
The closest point on which the eye can focus is known as the near point.
眼能聚焦的最近的点叫做近点。
SAS Autofocus Combined with Minimum Entropy
结合最小熵的SAS图像自聚焦研究
a Binocular auto focus camera with marvelous effects, a masterpiece, is easy to handle.
精心杰作双镜头自动聚焦相机使用简便，效果极佳。
The PANI was characterized by IR, UV-Vis spectra and XRD patterns.
探索了合成可溶性导电聚苯胺的最佳条件。
The best kind of relationship to have with a neighbour is one where you can take or leave each other without offence.
与邻居的最佳关系是这样的：大家能够好聚好散。
He is at his best when enjoying the company of his family and friends.
当他和家人、朋友们一起欢聚时他的情绪最佳。
OBJECTIVE To select a better assay method for β-glucan.
目的筛选β-葡聚糖含量测定的最佳方法。
Experimental Research on Optimum Condition for Polyhydroxyalkanoates Synthesis by Activated Sludge
混合菌群合成聚羟基烷酸最佳工艺条件研究
Study on optimal concentration of poly A and range of pH for HCV polymerase activity
丙型肝炎病毒聚合酶底物及pH值最佳范围研究
Definition of best aging time in polyether polyol production
聚醚多元醇生产中最佳熟化时间的确定
Optimum technology condition elected by orthogonal experiment for synthesis of HTBN/polyurethane
正交实验优选HTBN/聚氨酯合成的最佳工艺条件