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Broadband microstrip antennas with switchable polarizations
(Dhirubhai Ambani Institute of Information and Communication Technology, 2010)
Microstrip antenna consists of a patch of metallization on grounded substrate. These are low profile, lightweight antennas, most suitable for aerospace and mobile application. They are replacing many conventional antennas ...
Micro-level drought preparedness with information management and rural knowledge centres: a framework to support rural farm families
(Dhirubhai Ambani Institute of Information and Communication Technology, 2010)
Drought and desertification are serious problems that significantly affect hundreds of millions of people and ecosystems. When drought occurs, the farm communities are usually the first to be affected because of their heavy ...