GPS信号在D层和E层的延迟:量子理论是否适用?

G. Golubkov, L. Eppelbaum, M. Manzhelii
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引用次数: 1

摘要

提出了用量子方法描述GPS信号通过D层和E层时的失真和延迟的基础。这个问题被简化为光子的共振散射,光子在发射器产生的电磁场中运动,在双温非平衡等离子体中形成的里德伯复合物上。考虑以下两个过程。第一个过程导致由于受激发射和接收信号功率的直接增加而形成额外光子的产生。第二种提供载波频率信号的移位和其传播的时间延迟。它的发生是由于中性介质的离子核和分子由于电子和核运动的非绝热耦合而处于中间自离态时,里德堡电子在离子核和分子上的共振散射。我们的信息的目的是确定卫星信号的频移和延迟时间与由高激发分子和中性介质分子组成的里德伯复合体内部的量子动力学之间的联系。我们注意到,在一个共振光子散射行为中,复合物在中间态的延迟时间为10-10 s,即它们是GPS信号的特殊陷阱。在正常地磁条件下,信号到达接收机的总延迟时间为Δτ ~ 10-7 s。下一个要考虑的因素是来自里德堡复合体的额外背景非相干微波辐射,导致信噪比增加。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Delay of GPS signals in the D and E atmospheric layers: is the quantum theory applicable?
The foundations of quantum approach to describe of distortion and delay of GPS signal passing through the D and E atmosphere layers are proposed. The problem is reduced to resonant scattering of photons, moving in electromagnetic field produced by the transmitter, on the Rydberg complexes formed in the two-temperature non-equilibrium plasma. The following two processes are considered. First process leads to a forming the creation of additional photons due to stimulated emission and direct increase in the power of the received signal. The second one provides a shift the carrier frequency signal and time delay of its propagation. It happens due to the resonant scattering of Rydberg electron on the ion core and molecule of neutral medium in the intermediate autoionization states due to the non-adiabatic coupling of electronic and nuclear motions. The purpose of our message is to determine the connection of resulting frequency shift and delay time of the satellite signal with the quantum dynamics inside the Rydberg complex consisting of a highly excited molecule and molecule of neutral medium. We note that in one act of resonant photon scattering, the delay time in the intermediate state of the complex is 10-10 s, i.e. they are peculiar traps for the GPS signals. Under normal geomagnetic conditions the total delay time of the signal arriving at the receiver is Δτ ~ 10-7 s. Next factor to be taken into account is the additional background incoherent microwave radiation from Rydberg complexes leading to an increase in the signal/noise ratio.
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