المؤلفون: Fakas, Georgios J, Kalamatianos, Georgios, 1992

المصدر: ACM Transactions on Database Systems. 48(2):1-37

مصطلحات موضوعية: Natural Sciences, Computer and Information Sciences, Computer Sciences, Naturvetenskap, Data- och informationsvetenskap, Datavetenskap (datalogi), Proportionality, diversity, fairness, keyword search, Ptolemy's spatial diversity, spatial data, ranking

وصف الملف: electronic

URL الوصول: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-510009
https://uu.diva-portal.org/smash/get/diva2:1791882/FULLTEXT01.pdf

المؤلفون: Wei Ern Wong, An Hong Wong, Wei Qi Peh, Chee Keong Tan

المصدر: Data in Brief, Vol 55, Iss , Pp 110673- (2024)

مصطلحات موضوعية: Human activity recognition, Wi-Fi IEEE 802.11n, Channel statement information (CSI), ESP32 transceivers, Spatial diversity, High dimensionality, Computer applications to medicine. Medical informatics, R858-859.7, Science (General), Q1-390

وصف الملف: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2352340924006401; https://doaj.org/toc/2352-3409

URL الوصول: https://doaj.org/article/a4475ad316fd4daf8e478d3076223dda

المؤلفون: Kun Jiang, Juhong Chen, Shujing Wang, Yanfei Li, Danli Zhang, Haoyuan Hu, Wenjun Bu

المصدر: Ecology and Evolution, Vol 14, Iss 7, Pp n/a-n/a (2024)

مصطلحات موضوعية: Bambusoideae, environmental factors, multiple independent origins, oligophagous insects, spatial diversity pattern, Ecology, QH540-549.5

وصف الملف: electronic resource

Relation: https://doaj.org/toc/2045-7758

URL الوصول: https://doaj.org/article/9efad0970f3d4403bb78860d45159854

المؤلفون: Reza Masoumi, Robab Kazemi, Aly E. Fathy

المصدر: IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 6, Pp 1691-1703 (2024)

مصطلحات موضوعية: Antenna decoupling, circular patch antennas, interleaved arrays, mantle cloaking, polarization diversity, spatial diversity, Telecommunication, TK5101-6720

وصف الملف: electronic resource

Relation: https://ieeexplore.ieee.org/document/10638749/; https://doaj.org/toc/2637-6431

URL الوصول: https://doaj.org/article/4d2314909e74453380db28bc982ba212

المؤلفون: Emna Zedini, Yalcn Ata, Mohamed-Slim Alouini

المصدر: IEEE Photonics Journal, Vol 16, Iss 2, Pp 1-14 (2024)

مصطلحات موضوعية: Free-space optics (FSO), multiple-input multiple output (MIMO), optical wireless communication, slant path communication, spatial diversity technique, Applied optics. Photonics, TA1501-1820, Optics. Light, QC350-467

وصف الملف: electronic resource

Relation: https://ieeexplore.ieee.org/document/10453948/; https://doaj.org/toc/1943-0655

URL الوصول: https://doaj.org/article/eec073f2060c40bc8c56bd9d23f302c1

المؤلفون: Emilie Arseneault, Reinhard Pienitz, Julie Carrière, Émilie Saulnier-Talbot

المصدر: Hydrobiology, Vol 2, Iss 4, Pp 537-553 (2023)

مصطلحات موضوعية: autecology, bioindicators, spatial diversity, anthropogenic pressures, Sept-Îles, port, Ecology, QH540-549.5, Chemical technology, TP1-1185

وصف الملف: electronic resource

Relation: https://www.mdpi.com/2673-9917/2/4/36; https://doaj.org/toc/2673-9917

URL الوصول: https://doaj.org/article/08f0fd346ab14dbcb7c2adf9b959cac3

المؤلفون: P. Shyamala Bharathi, G. Harish

المصدر: Measurement: Sensors, Vol 31, Iss , Pp 101011- (2024)

مصطلحات موضوعية: V2V communication DSRC, Silver-coated DSRC, Intelligent transportation systems, Artificial intelligence, Autonomous drivers, Spatial diversity, Electric apparatus and materials. Electric circuits. Electric networks, TK452-454.4

وصف الملف: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2665917423003471; https://doaj.org/toc/2665-9174

URL الوصول: https://doaj.org/article/3ac96c8849a8472d8d14aceb2d684712

المؤلفون: Isiaka A. Alimi, Paulo P. Monteiro

المصدر: Sensors ; Volume 24 ; Issue 24 ; Pages: 8036

مصطلحات موضوعية: 5G, 6G, adaptive optics, advanced modulation schemes, aperture averaging, artificial intelligence, atmospheric turbulence, cooperative relaying, dual-hop transmission schemes, error correction codes, free-space optical communications, hybrid FSO system, machine learning, millimeter wave, pointing errors, spatial diversity, terahertz communications

وصف الملف: application/pdf

Relation: Communications; https://dx.doi.org/10.3390/s24248036

الاتاحة: https://doi.org/10.3390/s24248036

المؤلفون: Wiśniewski, Łukasz, Biczkowski, Mirosław, Rudnicki, Roman, Wiśniewski, Paweł

المصدر: Rozwój Regionalny i Polityka Regionalna; Nr 69 (2024); 55-71 ; 2353-1428

مصطلحات موضوعية: rolnictwo ekologiczne, struktura obszarowa, zróżnicowanie przestrzenne, Polska, organic farming, area structure, spatial diversity, Poland

وصف الملف: application/pdf

Relation: http://pressto.amu.edu.pl/index.php/rrpr/article/view/43216/35980; http://pressto.amu.edu.pl/index.php/rrpr/article/view/43216

الاتاحة: http://pressto.amu.edu.pl/index.php/rrpr/article/view/43216

المؤلفون: Müürisepp, Kerli, Järv, Olle, Sjöblom, Feliks, Toger, Marina, Dr., Östh, John, 1968

المصدر: Applied Geography. 154

مصطلحات موضوعية: Daytime segregation, Socio-spatial diversity, COVID-19, Human mobility, Mobile phone data, Sweden

وصف الملف: electronic

URL الوصول: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-498609
https://doi.org/10.1016/j.apgeog.2023.102926
https://uu.diva-portal.org/smash/get/diva2:1744213/FULLTEXT01.pdf

المؤلفون: Karlsson, Charlie, 1945, Rickardsson, Jonna, Wincent, Joakim

المصدر: Small Business Economics. 56(2):759-772

مصطلحات موضوعية: Diversity, Economics of spatial diversity, Entrepreneurship, Innovation, M13, M14, M21 L26, O12, O31, R11, Regional development

وصف الملف: electronic

URL الوصول: https://urn.kb.se/resolve?urn=urn:nbn:se:bth-18925
https://doi.org/10.1007/s11187-019-00267-1
https://bth.diva-portal.org/smash/get/diva2:1370831/FULLTEXT01.pdf

المؤلفون: Mehtab Singh, Sahil Nazir Pottoo, Moustafa H. Aly, Štěpán Hubálovský, Amit Grover, Debashis Adhikari, Preecha Yupapin

المصدر: Alexandria Engineering Journal, Vol 62, Iss , Pp 113-127 (2023)

مصطلحات موضوعية: Free space optics, 3D digital modulation, Spatial diversity, Disaster management, B5G/6G, Engineering (General). Civil engineering (General), TA1-2040

وصف الملف: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S1110016822004677; https://doaj.org/toc/1110-0168

URL الوصول: https://doaj.org/article/458cfaca86e14a1c99b5a6b2e811431d

المؤلفون: Mostafa M. Elsherbini, Osama A. Omer, Mostafa Salah

المصدر: IEEE Access, Vol 11, Pp 65255-65265 (2023)

مصطلحات موضوعية: Reconfigurable intelligent surface, joint beamforming, multi-hop transmission, spatial diversity, routing technique, Electrical engineering. Electronics. Nuclear engineering, TK1-9971

وصف الملف: electronic resource

Relation: https://ieeexplore.ieee.org/document/10167639/; https://doaj.org/toc/2169-3536

URL الوصول: https://doaj.org/article/5558c7278de747a486fab61890f30376

المؤلفون: Jeremiah Oluwatosin Bandele, Ayodeji Olalekan Salau, Mmoloki Mangwala, Adamu Murtala Zungeru

المصدر: IEEE Access, Vol 11, Pp 110985-110994 (2023)

مصطلحات موضوعية: Atmospheric turbulence, optical amplifier, spatial diversity, pointing error, free space optical communication, optical receiver, Electrical engineering. Electronics. Nuclear engineering, TK1-9971

وصف الملف: electronic resource

Relation: https://ieeexplore.ieee.org/document/10273678/; https://doaj.org/toc/2169-3536

URL الوصول: https://doaj.org/article/927e173535d34f53ab83a542f3a94de5

المؤلفون: ZHANG Li-yan, JIANG Rui, ZHANG Long, TANG Xin-ke, DONG Yu-han

المصدر: Guangtongxin yanjiu, Pp 14-20,72 (2023)

مصطلحات موضوعية: UWOC, MIMO, spatial diversity, bit error rate, spatial multiplexing, Applied optics. Photonics, TA1501-1820

وصف الملف: electronic resource

Relation: http://www.gtxyj.com.cn/thesisDetails#10.13756/j.gtxyj.2023.04.004; https://doaj.org/toc/1005-8788

URL الوصول: https://doaj.org/article/58d1cd12be1f4018a932b53f37e99625

المؤلفون: Cai, Zhi, Kalamatianos, Georgios, 1992, Fakas, Georgios J., Mamoulis, Nikos, Papadias, Dimitris

المصدر: The VLDB journal. 29(5):1171-1189

مصطلحات موضوعية: Diversity, Ptolemy's spatial diversity, Keyword search, Spatial RDF data, Ranking

وصف الملف: electronic

URL الوصول: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-417885
https://doi.org/10.1007/s00778-020-00610-z
https://uu.diva-portal.org/smash/get/diva2:1461323/FULLTEXT01.pdf

المؤلفون: Shahi, D. K.¹

المصدر: Asian Journal of Research in Social Sciences and Humanities 12(1):1-10. 2022

المؤلفون: Dangui Lu, Lichuan Qiu, Meiqi Jiao, Zhongke Feng, Zhichao Wang

المصدر: Frontiers in Ecology and Evolution, Vol 11 (2023)

مصطلحات موضوعية: Moraceae, spatial diversity, China, geographic information systems, genus, Evolution, QH359-425, Ecology, QH540-549.5

وصف الملف: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/fevo.2023.1110018/full; https://doaj.org/toc/2296-701X

URL الوصول: https://doaj.org/article/c5b5c41288824df08b155dde7a398906

المؤلفون: Ki-Hun Lee, Jeong Seon Yeom, Jingon Joung, Bang Chul Jung

المصدر: IEEE Open Journal of the Communications Society, Vol 3, Pp 705-717 (2022)

مصطلحات موضوعية: constellation rotation, Internet-of-Things, joint maximum-likelihood detection, non-orthogonal multiple access, space-time line codes, spatial diversity, Telecommunication, TK5101-6720, Transportation and communications, HE1-9990

وصف الملف: electronic resource

Relation: https://ieeexplore.ieee.org/document/9749606/; https://doaj.org/toc/2644-125X

URL الوصول: https://doaj.org/article/5f5ce6b3166e4520a3cda83aecc59713

المؤلفون: Sung-Jin Kim, Sang-Kook Han

المصدر: IEEE Access, Vol 10, Pp 129925-129931 (2022)

مصطلحات موضوعية: Atmospheric turbulence, diversity gain, free space optical communications, multi-input single-output MISO, pointing error, spatial diversity technique, Electrical engineering. Electronics. Nuclear engineering, TK1-9971

وصف الملف: electronic resource

Relation: https://ieeexplore.ieee.org/document/9982461/; https://doaj.org/toc/2169-3536

URL الوصول: https://doaj.org/article/992b93faf62b40d88f96d9bcce6da210