-
1دورية أكاديمية
المؤلفون: SUN Jiping, LIANG Weifeng, PENG Ming, ZHANG Gaomin, PAN Tao, ZHANG Hou, LI Xiaowei
المصدر: Gong-kuang zidonghua, Vol 49, Iss 4, Pp 1-8 (2023)
مصطلحات موضوعية: coal mine intelligence, wireless transmission in mines, wireless transmission attenuation, wireless frequency band, 5g, wifi6, uwb, Mining engineering. Metallurgy, TN1-997
وصف الملف: electronic resource
Relation: https://doaj.org/toc/1671-251X
-
2دورية أكاديمية
المؤلفون: LYU Ruijie
المصدر: Gong-kuang zidonghua, Vol 49, Iss 4, Pp 147-152 (2023)
مصطلحات موضوعية: wireless transmission in mines, wireless transmission attenuation, working frequency band, path loss, center frequency, uwb, 5g, wifi6, Mining engineering. Metallurgy, TN1-997
وصف الملف: electronic resource
Relation: https://doaj.org/toc/1671-251X