Investigation of zero crossing detection for first return stroke in negative cloud-to -ground lightning flash
This paper aims to investigate the minimum threshold for zero crossing detection of the first return stroke in negative cloud-to-ground lightning flashes. The uncertainty for a minimum threshold to be set into a programmed software for an automatic zero crossing detection motivated the author to ove...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Penerbit UTHM
2019
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| Online Access: | http://eprints.utem.edu.my/id/eprint/24294/2/4709-ARTICLE%20TEXT-18790-2-10-20191006%20IJIE.PDF http://eprints.utem.edu.my/id/eprint/24294/ https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/4709/2966 https://doi.org/10.30880/ijie.2019.11.03.31 |
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| Institution: | Universiti Teknikal Malaysia Melaka |
| Language: | English |
| Summary: | This paper aims to investigate the minimum threshold for zero crossing detection of the first return stroke in negative cloud-to-ground lightning flashes. The uncertainty for a minimum threshold to be set into a programmed software for an automatic zero crossing detection motivated the author to overcome the problem. The software was built-in MATLAB. The development of the software considered the important parameter of lightning strike from the preliminary breakdown stages until the first return strokes. A single station measurement was setup in Ayer Keroh, Malacca. 41 samples of duration of the zero crossing time were recorded by using Lecoy HDO4024 with 5 MS/s. The results showed that the minimum threshold for zero crossing detection was 40µs with 82.9% accuracy. In conclusion, the minimum threshold of zero crossing detection of the first return stroke in negative cloud-to-ground was determined |
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