[4] WILLET J C,BAILEY J C,LETEINTURIER C,et al. Lightning electromagnetic radiation field spectra in the interval from 0.2 to 20 MHz[J]. Journal of Geophysical Research:Atmospheres, 1990,95(D12):20367-20387.

[5] WEIDMAN C D, KRIDER E P. The amplitude spectra of lightning radiation fields in the interval from 1 to 20 MHz[J]. Radio Science, 1986,21(6):964-970.

[6] SHOORY A, RACHIDI F, RUBINSTEIN M. Correction to "relativistic Doppler effect in an extending transmission line: application to lightning"[J]. Journal of Geophysical Research:Atmospheres, 2012,117(D13):D13104.

[8] SCHULZ W,DIENDORFER G. Lightning peak currents measured on tall towers and measured with lightning location systems [C]// The 18th International Lightning Detection Conference. Helsinki,Finland:Vaisala, 2004:1-5.

[9] MASTER M J, UMAN M A. Transient electric and magnetic fields associated with establishing a finite electrostatic dipole[J]. American Journal of Physics, 1983(51):118-126.

[10] MASTER M J, UMAN M A. Transient electric and magnetic fields associated with establishing a finite electrostatic dipole[J]. American Journal of Physics, 1983(51):126-130.

[12] LYU Tao,HAN Xiyu,WU Shisong,et al. The effect of speckles noise on the laser Doppler vibrometry for remote speech detection[J]. Optics Communications, 2019(440):117-125.