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1)  quadrature frequency conversion
正交频率变换
1.
The effect of multi transversal mode on quadrature frequency conversion in a solid-state laser was analyzed,and the relation between the conversion efficiency and the divergent angle was conducted.
对多横模全固态激光器使用正交频率变换进行了分析,计算了频率转换效率与激光发散角的关系。
2)  switching frequency
交换频率
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3)  orthogonal frequency
正交频率
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4)  frequency conversion
频率变换
1.
The lithium thioindate(LiInS_2) crystal is an attractive material,which can be widely used for nonlinear optical frequency conversion in the infrared region.
LiInS2晶体是一种极具吸引力的晶体,可以应用于红外区域的非线性光学频率变换。
2.
The theoretical calculation of frequency conversion in a new bismuth triborate (BiB3O6) crystal with high nonlinear optical (NLO) coefficient is present.
理论计算了新型高非线性光学系数三硼酸铋晶体(BiB3O6)中的频率变换。
3.
This paper presents a new type of low noise frequency conversion circuit based on the research of phase noise conception, generation as well as relativity measurement method.
本文在对相位噪声的概念、产生及其相关测量方法研究的基础上,设计出一种低噪声频率变换电路。
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5)  frequency transformation
频率变换
1.
Design of impedance transforming-network by frequency transformation;
频率变换法设计阻抗变换器
2.
The Research and Realization of AD Frequency Transformation Based on DSP;
基于DSP的AD频率变换的研究与实现
3.
Diode is one of the nonlinear elements which are usually used in electronic circuit,whose speciality of frequency transformation is widely used in communication system.
二极管是电子电路中常用的非线性元件,其频率变换特性在通信系统中得到广泛的应用。
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6)  conversion frequency
变换频率
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补充资料：正交变换

设m是对称矩阵， p是可逆矩阵， n=p^tmp 称为 m的正交变换。

正交变换不改变m的特征值。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条