Design and analysis of microstrip patch antenna for RADAR altimeter
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Full Text |
Pdf
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Author |
Abhijeet Kumar, S. K. Sriwas, Pramod Kumar and Mahendra Kumar
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e-ISSN |
1819-6608 |
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On Pages
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466-470
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Volume No. |
18
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Issue No. |
05
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Issue Date |
April 05, 2023
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DOI |
https://doi.org/10.59018/032366
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Keywords |
antenna, RADAR, altimeter, gain.
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Abstract
The most important parameter for any flying vehicle is altitude. Different techniques and methods are available for altitude measurement; one of these methods is RADAR Altimetry. In this technique altitude measurement of an in-flight vehicle is measured by using RF waves and RADAR. RADAR Altimeter transmits low-power radio waves, these waves incident on the earth and get reflected back with a shift of about 40 Hz/feet. The altitude is determined as per the time delay between the signals which is measured by differentiating the broadcast and received signal for a specific time period. The RADAR altimeter operates on a frequency range of 4.2 to 4.4 GHz in the C-Band. Different shapes of microstrips are tested and used for this application. In this article, a rectangular microstrip antenna is designed and simulated at 4.2GHz and its performance and characteristics are analysed using ANSYS HFSS.
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