Surface solar radiation drives the global water cycle and provides energy for photosynthesis as well as solar power.A decline in sunlight reaching the surface of Earth has previously been identified and linked with gr...
On March 14,U.S.President Donald Trump signed an executive order to reduce funding for the U.S.Agency for Global Media(USAGM)and six other federal departments,scaling back their operations to the legal minimum.As a re...
The automatic detection and analysis of sunspots play a crucial role in understanding solar dynamics and predicting space weather events.This paper proposes a novel method for sunspot group detection and classificatio...
Supported by the China Scholarship Council (202205330024);National Key Research and Development Program of China (2017YFB0504002);National Science and Technology Infrastructure Platform Project (2017);Special Fund for Basic Scientific Research of Institute of Urban Meteorology (IUMKY201735)。
Sunshine duration(SD) is adopted widely to study global dimming/brightening. However, long-term simultaneous measurements of SD and closely related impact factors require further analysis to elucidate how and why SD h...
supported by the National Key Research and Development Program of China(No.2022YFE0101700);the Fok YingTung Education Foundation.
Intelligent lighting has attracted lots of research interests to investigate all the possible schemes to support this need as human has spent more and more time indoor.Semiconductor-based illumination network is an id...
supported by the National Natural Science Foundation of China (No. 61771062);the Fund of the StateKeyLaboratoryofIPOC(BUPT),China (No. IPOC2018ZT08)。
This paper proposes a hybrid layered asymmetrically clipped optical(HLACO) single-carrier frequency-division multiplexing(SCFDM) scheme for dimmable visible light communication. It designs a signal structure that comb...
supported by the National Natural Science Foundation of China(41621002,41790423,41930760);the Key Program of the Chinese Academy of Sciences(ZDRW-ZS2017-3-4);the Key Research Program of Frontier Sciences of the Chinese Academy of Sciences(QYZDB-SSW-DQC016)。
Long-term decreases in the incident total radiation and water clarity might substantially affect the underwater light environment in aquatic ecosystems.However,the underlying mechanism and relative contributions of ra...