Results 251 to 260 of about 76,183 (298)
Some of the next articles are maybe not open access.
2010
Gould rebuilds history, the two charters of rights for Rhode Island, free thought, and hope.
BALLARDINI, Anny, GOULD HENRY
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Gould rebuilds history, the two charters of rights for Rhode Island, free thought, and hope.
BALLARDINI, Anny, GOULD HENRY
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Computerized Medical Imaging and Graphics, 1991
In this paper the historical background of the concepts Hospital Information System, Radiology Information System, and Picture Archiving and Communication System (HIS, RIS, PACS) is presented. Next the present situation of the realization of the concepts is considered; the conceptual relation between the three is discussed.
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In this paper the historical background of the concepts Hospital Information System, Radiology Information System, and Picture Archiving and Communication System (HIS, RIS, PACS) is presented. Next the present situation of the realization of the concepts is considered; the conceptual relation between the three is discussed.
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Richardson-Zahl Ri (Richardson number Ri)
2000Es handelt sich um eine dimensionslose Kennzahl im Sinne der Dimensionsanalysis, die im Zusammenhang mit der Wirkung von Auftriebskraften auftritt. Eine besondere Bedeutung hat sie zur Kennzeichnung der Auf-triebseffekte bei turbulenten Stromungen. Fur diesen Zweck werden spezielle Definitionen der Richardson-Zahl eingefuhrt.
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Active RIS Versus Passive RIS: Which is Superior With the Same Power Budget?
IEEE Communications Letters, 2022Cunhua Pan, Kok Keong Chai, Kangda Zhi
exaly
Ri qach'ab'äl ja ri ruk'ux ri qawinaq, chaqa' ri qawinaq ja ri ruk'ux ri qach'ab'äl
2021openaire +1 more source
CSI acquisition in RIS-assisted mobile communication systems
National Science Review, 2023Michail Matthaiou +2 more
exaly
Secure Communication in RIS-assisted MIMO systems: Active RIS or Passive RIS?
2023 International Conference on Wireless Communications and Signal Processing (WCSP), 2023Jialin Zhou +5 more
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Reconfigurable Intelligent Surface-Aided Multi-User Networks: Interplay Between NOMA and RIS
IEEE Wireless Communications, 2022Zhiguo Ding, Xidong Mu, Yuanwei Liu
exaly
Receive Quadrature Reflecting Modulation for RIS-Empowered Wireless Communications
IEEE Transactions on Vehicular Technology, 2021Ertugrul Basar +2 more
exaly