[1] [1] C H Wang, F Z Cao, W L Wang, et al. Methods for improving movement compatibility of wearable OPM-MEG：A Review [J]. IEEE Sensor Journal, 2023,（23）：30037.

[4] [4] H Q Fan, S Kumar, J Sedlacek, et al. Atom based RF electric field sensing [J]. J. Phys. B, 2015,（48）：202001.

[5] [5] J P Yuan, W G Yang, M Y Jing, et al. Quantum sensing of microwave electric fields based on Rydberg atoms [J]. Rep. Prog. Phys., 2023,（86）：106001.

[7] [7] J A Sedlacek, A Schwettmann, H Kubler, et al. Microwave electronmetry with rydberg atoms in a vapour cell using bright atomic resonances [J]. Nat. Phys., 2012,（8）：819.

[8] [8] J Neukammer, H Rinneberg, K Vietzke, et al. Spectroscopy of rydberg atoms at n≈500：Observation of quasi-landao resonances in low magnetic fields [J]. Phys. Rev. Lett., 1987,（59）：2947.

[9] [9] S Kumar, H Fan, H Kubler, et al. Atom-based sensing of weak radio frequency electric fields using homodyne readout [J]. Scientific Reports, 2017,（7）：42981.

[10] [10] S Kumar, H Fan, H Kubler, et al. Rydberg-atom based radio-frequency electrometry using frequency modulation spectroscopy in room temperature vapor cells [J]. Opt. Express, 2017,（25）：8625.

[11] [11] M Jing, Y Hu, J Ma, et al. Atomic superheterodyne receiver based on microwave-dressed Rydberg spectroscopy [J]. Nat. Phys., 2020,（16）：911.

[12] [12] M H Cai, Y S Hang, S S Zhang, et al. Sensitivity extension of atom-based amplitude-modulation microwave electrometry via high Rydberg states [J]. Appl. Phys. Lett., 2023（122）：161103.

[13] [13] J L Hu, H Q Li, R Song, et al. Continuously tunable radio frequency electrometry with Rydberg atoms [J]. Appl. Phys. Lett., 2022,（121）：014002.

[14] [14] B Liu, L H Zhang, Z K Liu, et al. Highly sensitive measurement of a Megahertz rf Electric field with a Rydberg-Atom Sensor [J]. Phys. Rev. Appl., 2022,（18）：014045.

[15] [15] Y C Chen, S C Fang, Y H Chen. Atomic quantum sensor for ultralow-frequency electric field measurements [J]. arXiv, 2024,（2402）：01430.