Simulation on the effect of ionospheric parameters on TDOA location in short wave

YOU Yang; QIAN Zhigang; LI Jining; LIU Wen

doi:10.13443/j.cjors.2017033002

Volume 32 Issue 4

Aug. 2017

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CHINESE JOURNAL OF RADIO SCIENCE > 2017 > 32(4): 462-466. > DOI: 10.13443/j.cjors.2017033002

YOU Yang, QIAN Zhigang, LI Jining, LIU Wen. Simulation on the effect of ionospheric parameters on TDOA location in short wave[J]. CHINESE JOURNAL OF RADIO SCIENCE, 2017, 32(4): 462-466. doi: 10.13443/j.cjors.2017033002

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Simulation on the effect of ionospheric parameters on TDOA location in short wave

1.
Information and Communication Bureau of the Chinese Navy Staff, Beijing 100841, China
2.
China Research Institute of Radiowave Propagation, Qingdao 266107, China

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Received Date: March 29, 2017
Available Online: December 30, 2020
Published Date: August 29, 2017

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Abstract

Abstract

In the short wave band, traditional time difference of arrival (TDOA) location method is no longer applicable for the big difference between the radio path and the actual ground distance brought on by the ionospheric reflection propagation. A new TDOA location method based on ray tracing technique is proposed, and the influence of ionospheric parameters on location precision is analyzed. The results show that in obtaining accurate ionospheric information, the proposed method can accurately locate the target; ionospheric measurement error greatly affects the location precision; increase the number of sites can improve location precision and reduce the precision requirements of the ionospheric parameters. The simulation results provide a theoretical basis for the development of the short wave TDOA location system and the precision requirement of the ionospheric parameters.
- TDOA location,
- raytracing,
- ionosphere model,
- location error

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