"Open Hardware Weather Radar" - Tishampati Dhar (LCA 2022 Online)
(Tishampati Dhar) If I would have to pick a super power, it would definitely be being able to see the whole of the electromagnetic (EM) spectrum rather than the tiny sliver our evolution under a yellow sun ☀️ has limited us to.
This talk covers seeing in different parts of the EM spectrum using an RX/TX SDR (LimeSDR). More specifically in microwave frequency ranges for observing moisture in the air and precipitation. These are the ISM bands around 2.5GHz, 5GHz and 10GHz, no one wants to license them due to weak propagation characteristics, however they present excellent experimental frequencies for radar design.
We will discuss the briefly the history of radar meteorology, the hardware needed to make a modern solid-state X-band phased array radar. The talk will extend to more advanced topics such as polarisation in radars and radar cross section (RCS) based on precipitation density and even drop shape. We will also cover retrieval of precipitation motion and wind information using Doppler. Finally we will discuss the community and social benefits radar brings with increased observability of the weather and use cases with a deployment in Africa.
https://lca2022.linux.org.au/schedule...
Videos licensed as CC BY-NC-SA 4.0
linux.conf.au is a conference about the Linux operating system, and all aspects of the thriving ecosystem of Free and Open Source Software that has grown up around it. Run since 1999, in a different Australian or New Zealand city each year, by a team of local volunteers, LCA invites more than 500 people to learn from the people who shape the future of Open Source. For more information on the conference see https://linux.conf.au/
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Fri Jan 14 14:40:00 2022 at Kaya Theatre
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