Compressive Downlink Channel Estimation for FDD Massive MIMO Using Weighted
IEEE Access, 2019 We propose a weighted Ip minimization method for downlink channel estimation in frequency division duplexing massive multiple-input multiple-output (MIMO) systems.
Wei Lu +5 more
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Extreme Drought Events over Brazil from 2011 to 2019
Atmosphere, 2019 Drought-related disasters are among the natural disasters that are able to cause large economic and social losses. In recent years, droughts have affected different regions of Brazil, impacting water, food, and energy security. In this study, we used the
Ana Paula M. A. Cunha +13 more
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Construction of Strategic Early-Warning System in Cyberspace
中国工程科学, 2021 Cyberspace strategic early-warning is a monitoring and warning system that is established by a country or group for early detection, tracking, identification, and notification of incoming major cyber attacks or the spreading destruction of powerful ...
Zhuang Honglin +5 more
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Research on targeted service technology for early warning information of meteorological disaster based on NLP [PDF]
ITM Web of Conferences, 2022 Affected by global climate change and the superposition of urban construction, the climate of city meteorological guarantee service puts forward new requirements and new challenges.
Feng Yuxing +5 more
doaj +1 more source
Mapping data gaps to estimate biomass across Brazilian Amazon forests
Forest Ecosystems, 2020 Background Tropical forests play a fundamental role in the provision of diverse ecosystem services, such as biodiversity, climate and air quality regulation, freshwater provision, carbon cycling, agricultural support and culture.
Graciela Tejada +3 more
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Modification and Assessment of the Bedside Pediatric Early Warning Score in the Pediatric Allogeneic Hematopoietic Cell Transplant Population [PDF]
, 2018 OBJECTIVES: To determine the validity of the Bedside Pediatric Early Warning Score system in the hematopoietic cell transplant population, and to determine if the addition of weight gain further strengthens the association with need for PICU admission.
Cater, Daniel T. +3 more
core +2 more sources
Journal of Integrative Agriculture, 2015 The primary goal of Chinese agricultural development is to guarantee national food security and supply of major agricultural products. Hence, the scientific work on agricultural monitoring and early warning as well as agricultural outlook must be ...
Shi-wei XU, Gan-qiong LI, Zhe-min LI
doaj +1 more source
Early warning system for the prevention and control of unauthorized accesses to air navigation services infrastructures [PDF]
, 2015 Early warning systems are fundamental instruments for the management of critical situations since they are able to signal in advance any anomaly with respect to ordinary situations.
Accettura, Antonella +5 more
core +1 more source
Infectious Diseases of Poverty, 2019 Background Scrub typhus is a life-threatening disease caused by Orientia tsutsugamushi, and specific antimicrobial medicine is available. Early and accurate diagnosis is essential for reducing the risk of severe complications and death. In this study, we
Hua-Lei Xin +9 more
doaj +1 more source
Using Quantile Regression Approach to Analyze Price Movements of Agricultural Products in China
Journal of Integrative Agriculture, 2012 This paper studies how the price movements of pork, chicken and egg respond to those of related cost factors in short terms in Chinese market. We employ a linear quantile approach not only to explore potential data heteroscedasticity but also to generate
Gan-qiong LI +4 more
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