Microwave and Very High Frequency Radiations of the First Narrow Initial Breakdown
Clouds; Microwave sensors; Centre frequency; Cloud-to-ground flash; High frequency sensors; High-frequency pulse; High-frequency radiation; Initial breakdown; Initial breakdown pulse; Pulse ranging; Radiation pulse; Very high frequency; Microwaves
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Institute of Electrical and Electronics Engineers Inc.
2023
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my.uniten.dspace-264002023-05-29T17:10:00Z Microwave and Very High Frequency Radiations of the First Narrow Initial Breakdown Shamsul Baharin S.A. Riduan Ahmad M. Khaleel Al-Shaikhli T.R. Mohammad Sabri M.H. Al-Kahtani A.A. Mohamad S.A. Cooray V. Bakar Sidik M.A. 57435704000 57434881800 57203802841 57200560218 57219739527 57212030030 7005428121 57215929885 Clouds; Microwave sensors; Centre frequency; Cloud-to-ground flash; High frequency sensors; High-frequency pulse; High-frequency radiation; Initial breakdown; Initial breakdown pulse; Pulse ranging; Radiation pulse; Very high frequency; Microwaves This paper reports the observation of microwave and very high frequency (VHF) radiation pulses associated with the first narrow (<10us) initial breakdown (IB) pulses of ten negative cloud-to-ground (-CG) flashes. The centre frequency of microwave and VHF sensors was 0.97 GHz and 60 MHz, respectively. We found that all microwave pulses were the initiation event led the first VHF pulses ranging between 0.03187 and 2.57968 ?s and led the first narrow IB pulses ranging between 0.02382 and 2.70202 ?s. Half of the VHF pulses were observed to lead the first narrow IB pulses ranging between 0.03453 and 0.128 ?s. Moreover, polarity of microwave radiation pulses was always positive while the polarity of the first narrow IB pulses always negative. On the other hand, half of VHF radiation pulses had the same polarity as microwave radiation pulses. � 2021 IEEE. Final 2023-05-29T09:10:00Z 2023-05-29T09:10:00Z 2021 Conference Paper 10.1109/ICLPandSIPDA54065.2021.9627385 2-s2.0-85123858142 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85123858142&doi=10.1109%2fICLPandSIPDA54065.2021.9627385&partnerID=40&md5=5c47a7ad40cf522f8231277167b42536 https://irepository.uniten.edu.my/handle/123456789/26400 Institute of Electrical and Electronics Engineers Inc. Scopus |
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| description |
Clouds; Microwave sensors; Centre frequency; Cloud-to-ground flash; High frequency sensors; High-frequency pulse; High-frequency radiation; Initial breakdown; Initial breakdown pulse; Pulse ranging; Radiation pulse; Very high frequency; Microwaves |
| author2 |
57435704000 |
| author_facet |
57435704000 Shamsul Baharin S.A. Riduan Ahmad M. Khaleel Al-Shaikhli T.R. Mohammad Sabri M.H. Al-Kahtani A.A. Mohamad S.A. Cooray V. Bakar Sidik M.A. |
| format |
Conference Paper |
| author |
Shamsul Baharin S.A. Riduan Ahmad M. Khaleel Al-Shaikhli T.R. Mohammad Sabri M.H. Al-Kahtani A.A. Mohamad S.A. Cooray V. Bakar Sidik M.A. |
| spellingShingle |
Shamsul Baharin S.A. Riduan Ahmad M. Khaleel Al-Shaikhli T.R. Mohammad Sabri M.H. Al-Kahtani A.A. Mohamad S.A. Cooray V. Bakar Sidik M.A. Microwave and Very High Frequency Radiations of the First Narrow Initial Breakdown |
| author_sort |
Shamsul Baharin S.A. |
| title |
Microwave and Very High Frequency Radiations of the First Narrow Initial Breakdown |
| title_short |
Microwave and Very High Frequency Radiations of the First Narrow Initial Breakdown |
| title_full |
Microwave and Very High Frequency Radiations of the First Narrow Initial Breakdown |
| title_fullStr |
Microwave and Very High Frequency Radiations of the First Narrow Initial Breakdown |
| title_full_unstemmed |
Microwave and Very High Frequency Radiations of the First Narrow Initial Breakdown |
| title_sort |
microwave and very high frequency radiations of the first narrow initial breakdown |
| publisher |
Institute of Electrical and Electronics Engineers Inc. |
| publishDate |
2023 |
| _version_ |
1806424149426438144 |
| score |
13.214268 |