Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Yuan Yuan Mei"'
Publikováno v:
Frontiers in Sustainable Food Systems, Vol 8 (2024)
BackgroundAgricultural activities are the second largest source of its greenhouse gas emissions in China, making it imperative to prioritize the reduction of carbon emissions in agriculture to achieve carbon neutrality. Agricultural modernization is
Externí odkaz:
https://doaj.org/article/c8976d660bc2493885ea9b0955fd38b0
Publikováno v:
The Journal of China Universities of Posts and Telecommunications. 15:37-40
A multi-beam adaptive antenna is investigated by considering the adaptive beam forming performance for time-variant channels on the focus of mobile to base station or reverse link. This antenna is constructed by Fresnel zone phase-correcting plane (F