Characteristics of electric field waveforms produced by negative return strokes in Colombia and their comparison with other regions

HE Rojas, AS Cruz, CA Cortes - Journal of Atmospheric and Solar …, 2022 - Elsevier
This paper presents the statistical analysis of several parameters associated with the electric
field generated by negative cloud-to-ground (CG) lightning flashes recorded in the Bogota …

The three-dimensional locating of VHF broadband lightning interferometers

H Liu, S Qiu, W Dong - Atmosphere, 2018 - mdpi.com
VHF (Very High Frequency) lightning interferometers can locate and observe lightning
discharges with a high time resolution. Especially the appearance of continuous …

New circuit for the measurement of lightning generated electric fields

HE Rojas, CA Rivera, J Chaves… - 2017 International …, 2017 - ieeexplore.ieee.org
In many studies of lightning flash characterization, the lightning generated electric field
measuring system uses a circuit based on the buffer-amplifier LH0033. This circuit was …

Frequency spectra of various events pertinent to lightning cloud flashes obtained from wavelet transform technique and ratified by narrow band measurement …

SR Sharma, MM Ismail, P Hittiarachhi, V Cooray… - Journal of Atmospheric …, 2021 - Elsevier
In the present study, frequency spectra of the electric field corresponding to the various
cloud events, such as, initial breakdown process, regular pulse bursts, chaotic pulse trains …

Técnicas avanzadas para el tratamiento y procesamiento de señales de campos electromagnéticos generados por rayos

HE Rojas Cubides - 2018 - repositorio.unal.edu.co
Los rayos son transitorios de alta corriente cuya energía es radiada desde las bajas
frecuencias hasta algunos cientos de MHz. Estas descargas eléctricas son consideradas …

Characteristics of leader pulses in positive ground flashes in Sweden

D Johari, V Cooray, M Rahman, P Hettiarachchi… - Electric Power Systems …, 2017 - Elsevier
This paper presents the characteristics of the electric field pulses observed during leader
propagation in positive ground flashes. We analysed in detail the electric field changes …

[HTML][HTML] Temporal analysis on pulse train of lightning discharge observed in Malacca, Malaysia

NA Ramlee, NA Ahmad, ZA Baharudin, MRM Esa - Energy Reports, 2023 - Elsevier
A few significant studies discovered that a pulse train tends to initiate subsequent return
stroke in the same way that a preliminary breakdown pulse activates the first return stroke …

[HTML][HTML] On the possible origin of chaotic pulse trains in lightning flashes

MM Ismail, M Rahman, V Cooray, M Fernando… - Atmosphere, 2017 - mdpi.com
In this study, electromagnetic field radiation bursts known as chaotic pulse trains (CPTs) and
regular pulse trains (RPTs) generated by lightning flashes were analyzed. Through a …

Use of the originpro application for lightning wave spectrum analysis

FE Yandra, V Yusiana - AIP Conference Proceedings, 2023 - pubs.aip.org
The spectrum analyzer measures the input signal magnitude versus the frequency in the full
frequency range of the instrument. Its main use is to measure the spectrum strength of both …

Investigation on Antenna Material and Operational Amplifier Model for Measuring Electric Fields from Lightning Flashes

NA Ramlee, HC Wong, I Othman… - 2022 IEEE International …, 2022 - ieeexplore.ieee.org
The lightning measurement system employs an antenna as a sensor to capture the electric
fields created by lightning flashes. It is connected to an electronic circuit associated with an …