Study on Time Delay Characteristics of Low Frequency One-hop Sky Waves in the Isotropic Ionosphere

Lili ZHOU; Jingjing YAN; Zhonglin MU; Qiaoqiao WANG; Chenglin LIU; Lifeng HE

doi:10.11999/JEIT190528

Volume 42 Issue 7

Jul. 2020

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Article Navigation > Journal of Electronics & Information Technology > 2020 > 42(7): 1606-1610

Lili ZHOU, Jingjing YAN, Zhonglin MU, Qiaoqiao WANG, Chenglin LIU, Lifeng HE. Study on Time Delay Characteristics of Low Frequency One-hop Sky Waves in the Isotropic Ionosphere[J]. Journal of Electronics & Information Technology, 2020, 42(7): 1606-1610. doi: 10.11999/JEIT190528

Citation:

Lili ZHOU, Jingjing YAN, Zhonglin MU, Qiaoqiao WANG, Chenglin LIU, Lifeng HE. Study on Time Delay Characteristics of Low Frequency One-hop Sky Waves in the Isotropic Ionosphere[J]. Journal of Electronics & Information Technology, 2020, 42(7): 1606-1610. doi: 10.11999/JEIT190528

Citation:

Lili ZHOU, Jingjing YAN, Zhonglin MU, Qiaoqiao WANG, Chenglin LIU, Lifeng HE. Study on Time Delay Characteristics of Low Frequency One-hop Sky Waves in the Isotropic Ionosphere[J]. Journal of Electronics & Information Technology, 2020, 42(7): 1606-1610. doi: 10.11999/JEIT190528

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Study on Time Delay Characteristics of Low Frequency One-hop Sky Waves in the Isotropic Ionosphere

doi: 10.11999/JEIT190528

1.
School of Electronic Information and Artificial Intelligence, Shaanxi University of Science and Technology, Xi’an 710021, China
2.
School of Electrical and Control Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China
3.
College of Aeronautics Engineering, Air Force Engineering University, Xi’an 710038, China
4.
School of Automation and Information Engineering, Xi’an University of Technology, Xi’an 710048, China

Funds: The National Natural Science Foundation of China (61401261), China Postdoctoral Science Foundation (2016M600803)

Received Date: 2019-07-11
Rev Recd Date: 2020-02-20

Available Online: 2020-03-25

Publish Date: 2020-07-23

Abstract

Abstract

Accurate prediction of low-frequency sky-wave has significance for the lower ionosphere detection and remote navigation timing. The characteristics of sky-wave propagation time delay in the Earth-ionosphere waveguide are studied in this paper based on the traditional wave-hop theory and FDTD method. Time delay variations of 100 kHz one-hop sky waves are given under homogeneous/exponentially graded isotropic ionosphere waveguide models. The great-circle distance between the transmitter and the receiver is within 200 km. Together with a sky- and ground-wave separation technique in the time domain, the narrow-band Loran-C signals are employed in two methods. Compared to the results of wave-hop theory, the method in this paper has higher calculation accuracy by considering the influence of irregular earth and inhomogeneous distribution of ionospheric day-night parameters at the same time.
- Low-frequency wave,
- Wave-hop theory,
- One-hop sky wave,
- Time delay

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References(16)

References

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