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介电特性测量基础与农业应用

Fundamentals of dielectric properties measurements and agricultural applications.

作者信息

Nelson Stuart O

机构信息

U. S. Department of Agriculture, Agricultural Research Service, Athens, GA 30604-5677, USA.

出版信息

J Microw Power Electromagn Energy. 2010;44(2):98-113. doi: 10.1080/08327823.2010.11689778.

DOI:10.1080/08327823.2010.11689778
PMID:21721322
Abstract

Dielectrics and dielectric properties are defined generally and dielectric measurement methods and equipment are described for various frequency ranges from audio frequencies through microwave frequencies. These include impedance and admittance bridges, resonant frequency, transmission-line, and free-space methods in the frequency domain and time-domain and broadband techniques. Many references are cited describing methods in detail and giving sources of dielectric properties data. Finally a few applications for such data are presented and sources of tabulated and dielectric properties data bases are identified.

摘要

本文对电介质及其介电特性进行了一般性定义,并介绍了从音频到微波频率范围内的各种介电测量方法和设备。这些方法包括频域和时域中的阻抗和导纳电桥、谐振频率、传输线和自由空间方法以及宽带技术。文中引用了许多参考文献,详细描述了这些方法并给出了介电特性数据的来源。最后,介绍了这些数据的一些应用,并指明了表格化介电特性数据库的来源。

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Fundamentals of dielectric properties measurements and agricultural applications.介电特性测量基础与农业应用
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