Atmospheric Magnetic Noise Measurements in Urban Areas

被引：2
|
作者：
Schlegel, Christian [1 ]
Mallay, Matt [1 ]
Touesnard, Chris [1 ]
机构：
[1] Dalhousie Univ, Halifax, NS B3S 1K4, Canada
来源：
IEEE MAGNETICS LETTERS | 2014年 / 5卷
关键词：
Electromagnetics; noise measurements; magnetoinductive receivers; ferrite-core antennas;
D O I：
10.1109/LMAG.2014.2330337
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The theory of atmospheric magnetic noise is reviewed and we discuss how it impacts magnetoinductive communications systems. Magnetic noise measurements are then conducted to obtain quantitative values of the noise levels at both indoor and outdoor locations. The measurements, using an industrial-grade magnetometer, are compared with results from Comite Consultatif International des Radiocommunications (CCIR) measurements conducted using an electric antenna, and then converted via the E-H relationship in vacuum. Both measurements are in agreement other than in a small frequency range, whereas the CCIR electric measurements show pessimistic minimal values, possibly due to electrical interference.
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页数：4
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