Method to calculate bandwidth of VLF transmitting antenna based on MSK power spectrum

Ying-Hui Dong; Guo-Qing Jin

doi:10.1117/12.855178

2 April 2010 Method to calculate bandwidth of VLF transmitting antenna based on MSK power spectrum

Ying-Hui Dong, Guo-Qing Jin

Proceedings Volume 7651, International Conference on Space Information Technology 2009; 76511S (2010) https://doi.org/10.1117/12.855178
Event: International Conference on Space Information Technology 2009, 2009, Beijing, China

Abstract

In this paper, a method to calculate the VLF transmitting antenna's bandwidth and frequency characteristic is proposed by comparison of normalized signal power spectrum at antenna feed point with that at far field point, since a VLF transmitting antenna behaves as a filter to the signal at its feed point. Power spectrum data from four VLF transmitting antennas (operation frequencies are 21.4k, 19.8k, 22.2k and 24.8k respectively) are available, and respective bandwidths are calculated by the new method. Results show the validity of the method. This method need no details of the antenna's parameters. It is a new and simple way to find out VLF antenna's bandwidth and its MSK efficiency.

Citation Download Citation

Ying-Hui Dong and Guo-Qing Jin "Method to calculate bandwidth of VLF transmitting antenna based on MSK power spectrum", Proc. SPIE 7651, International Conference on Space Information Technology 2009, 76511S (2 April 2010); https://doi.org/10.1117/12.855178

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