AhKin: A modular and efficient code for the Doppler shift attenuation method

Garzón, Alejandro; Rodríguez, W.; Cristancho, F.; Tao, Molei

doi:10.1016/j.cpc.2019.07.017

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2024

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Cited by 2 publications

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“…3, the precision of measurement is increased. The determination of the level lifetimes τ and sidefeeding times τ SF was carried out by comparison of the experimental lineshapes with the simulated ones produced by the AhKin code [10]. This program simulates the slowing down of 83 Y nuclei as they travel through the 181 Ta stopper using the one-dimensional stopping power (generated by the program SRIM [11]) and the Blaugrund approximation for velocity straggling.…”

Section: A Lifetime Measurementsmentioning

confidence: 99%

High spin states of the normally deformed bands of Y83

et al. 2019

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Section: A Lifetime Measurementsmentioning

confidence: 99%

High spin states of the normally deformed bands of Y83

et al. 2019

Self Cite

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A forwarding spoofing detection algorithm for Beidou navigation satellite system vulnerability

Xu,

Guo,

Zhu

et al. 2024

Acta Geod Geophys

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With the Beidou navigation system's fast expansion in China, it is popular in military and civilian aspects. However, since the satellite orbit operates at an extremely high position and there is energy loss during the propagation process, the receiver only picks up a very faint signal, which makes the Beidou receiver very vulnerable to interference. The interference of the receiver is divided into natural interference and human interference, of which the human interference is particularly serious. Deception is commonly used in human interference. The deception interference detection technology in Beidou navigation system is studied in this research. Firstly, the signal in the signal capture stage is detected by multi-peak detection algorithm to determine the signal type. If it cannot be determined, the signal is detected by the half-peak full-width algorithm, so as to determine the signal type. In the stage of signal tracking, the Doppler shift of the spoofing signal is applied to determine whether the signal is spoofed or not. When the spoofing signal forwarding delay is set to 0.5 and 1 chip respectively, the full width of half peak is 8.56 and 11.35 after fitting the main peak. If the half-peak full width exceeds the normal navigation signal, it indicates spoofing interference. The constructed model can effectively track downspoofing signals and improve the Beidou navigation system’s detection performance.

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AhKin: A modular and efficient code for the Doppler shift attenuation method

Cited by 2 publications

References 25 publications

High spin states of the normally deformed bands of Y83

High spin states of the normally deformed bands of Y83

A forwarding spoofing detection algorithm for Beidou navigation satellite system vulnerability

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