The log periodic dipole antenna(LPDA) is used as an object of study.
主要研究了对数周期偶极子天线。
The method of moments is used to analyze the electric characteristics of large Angle LPDA.
文章运用矩量法对大张角对数周期天线的电性能进行了分析。
This paper presents a new method, the substructure analyzing method of interconnect-net, and analyzes the properties of LPDA.
文中介绍了互联网络子结构分析方法，并应用该方法对对数周期偶极天线进行特性分析。
In this paper, the design idea of a fast windowed read-out system for LPDA in the detecting circuit of the LPDA-GFAAS experimental system is described.
本文较详细报导了作者在建立LPDAGFAAS实验系统检测电路中窗口式LPDA快速读取系统的设计思想，及有关电路的工作过程。
The major work of this thesis is to design and make a good LPDA(log-periodic dipole antenna)as the feed of the ten-meter parabolic reflectors at the Yunnan Observatory.
文中所作的主要工作是为云南天文台十米抛物面设计、制造一付好的对数周期偶极子天线（LPDA）作馈源。
A computer program is given for log-periodic dipole antenna (LPDA) design with the "Three-Term" theory. The program can quickly design and optimize physical or electrical parameters of LPDA.
本文给出了用“三项理论”设计对数周期偶极天线(以下简称LPDA)的计算机程序，它能快速地设计出该天线的各几何参数和电参数，并可进行优化。
The results obtained prove that wide Angle scanned arrays can be realized through controlling the excitations. And the results can be instructional on designing short wave phased LPDA arrays.
所得结果表明，可以通过对激励的控制，实现阵列的宽角扫描能力，这对短波lpda相控阵的设计具有一定的指导意义。
To address the limitation that locality preserving projection (LPP) algorithm belongs to unsupervised, a novel approach, named as locality preserving discriminant analysis (LPDA) was proposed.
针对保局投影(LPP)为无监督算法的局限，提出了一种新的监督版的LPP，即保局判别分析(LPDA)算法。
To address the limitation that locality preserving projection (LPP) algorithm belongs to unsupervised, a novel approach, named as locality preserving discriminant analysis (LPDA) was proposed.
针对保局投影(LPP)为无监督算法的局限，提出了一种新的监督版的LPP，即保局判别分析(LPDA)算法。
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