Abstract
In response to the characteristics of railway frequency shift signals, transient electromagnetic radar is used to start from two aspects: carrier frequency and low frequency. The carrier frequency uses the same frequency signal detection principle, while the low frequency uses a step sequence that can cover the entire low frequency band to detect unknown low frequencies. The detection principle and steps of carrier frequency and low frequency are given, and a simulation model is built and verified. Finally, accurate frequency shift signals are detected. Finally, the accurate detection of railway frequency shift signal is also realized under the condition of in band harmonic interference and white noise interference, and the bit error rate is analyzed under different signal to noise ratios. Compared with the traditional railway frequency shift signal measurement methods, the threshold of signal to noise ratio based on transient electromagnetic radar can be lower when detecting railway frequency shift signal.
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Zhang, R., Tang, H., Shi, Q. (2024). Research on Railway Frequency Shift Signal Detection Based on Transient Electromagnetic Radar. In: Yun, L., Han, J., Han, Y. (eds) Advanced Hybrid Information Processing. ADHIP 2023. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 548. Springer, Cham. https://doi.org/10.1007/978-3-031-50546-1_11
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DOI: https://doi.org/10.1007/978-3-031-50546-1_11
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