Signal Sorting and Positioning Method for Similar Radiation Sources Based on Time Difference of Arrival

Ma Xian-tong; Luo Jing-qing; Meng Xiang-hao

doi:10.11999/JEIT141480

Volume 37 Issue 10

Sep. 2015

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Ma Xian-tong, Luo Jing-qing, Meng Xiang-hao. Signal Sorting and Positioning Method for Similar Radiation Sources Based on Time Difference of Arrival[J]. Journal of Electronics & Information Technology, 2015, 37(10): 2363-2368. doi: 10.11999/JEIT141480

Citation:

Ma Xian-tong, Luo Jing-qing, Meng Xiang-hao. Signal Sorting and Positioning Method for Similar Radiation Sources Based on Time Difference of Arrival[J]. Journal of Electronics & Information Technology, 2015, 37(10): 2363-2368. doi: 10.11999/JEIT141480

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Signal Sorting and Positioning Method for Similar Radiation Sources Based on Time Difference of Arrival

doi: 10.11999/JEIT141480

Funds:

The National Natural Sciece Foundation of China (60801044)

Received Date: 2014-11-24
Rev Recd Date: 2015-07-13
Publish Date: 2015-10-19

Abstract

Abstract

In multiple platform electronic reconnaissance system, Time Difference Of Arrival (TDOA) of the pulse signal received by multiple stations can be used for signal sorting and positioning. However, when multiple emitter signals with similar parameters are mixed together in time and frequency domain, a lot of false TDOA information will be obtained by stations. Combined with Position Information Field (PIF) location method, a signal sorting and positioning method for similar radiation sources based on TDOA is proposed. TDOA information about similar radiation sources is firstly extracted from the pulses of all stations and TDOA window information by matching TDOA and multi-parameter in the proposed method. Then, multi-targets number and each targets position are obtained by position information field for target location method based on the TDOA information. Finally, positioning results are used to determine the real TDOA, eliminate the false TDOA, and complete signal sorting and target accurate positioning. Simulation results demonstrate the effectiveness and the practicality of this method.
- Signal sorting,
- Multi-target location,
- Time difference of arrival,
- Similar radiation sources,
- Position information field for target

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References(24)

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