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Erschienen in:
2019 | OriginalPaper | Buchkapitel
2. Connotation and Representation of Spatial Polarization Characteristic
verfasst von : Huanyao Dai, Xuesong Wang, Hong Xie, Shunping Xiao, Jia Luo
Erschienen in: Spatial Polarization Characteristics of Radar Antenna
Verlag: Springer Singapore
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Abstract
The concept of polarization is first defined in the field of optics, used to describe the phenomenon of directional oscillation of light. Therefore, it is also called directional oscillation. In fact, as a common nature of vector waves, polarization receives wide attention in the infrared, optical, radar and other fields. As far as radar is concerned, polarization describes the variation of the electric field vector of electromagnetic wave with time on the propagation cross section [1]. It reflects the vector characteristic of electromagnetic waves. Besides information of time domain, frequency domain and spatial, polarization is also available important information of electromagnetic waves.