Articles with "variation characteristics" as a keyword



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Spatio-temporal variation characteristics of NDVI and its response to climate on the Loess Plateau from 1985 to 2015

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Published in 2021 at "Catena"

DOI: 10.1016/j.catena.2021.105331

Abstract: Abstract The response between NDVI and climate has been a hot topic in recent research. Based on the data of GIMMS NDVI 3g and five climatic factors (precipitation, humidity, atmospheric pressure, air temperature, and sunshine… read more here.

Keywords: response; response climate; variation characteristics; climate ... See more keywords

An online fault-diagnosis of electromagnetic actuator based on variation characteristics of load current

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Published in 2019 at "Automatika"

DOI: 10.1080/00051144.2019.1654652

Abstract: Accurate and fast fault-diagnosis is the foundation of fault-tolerance. To develop the fault-tolerance of magnetic-levitated bearing system, this paper presents an online fault-diagnosis approach of electromagnetic actuator based on variation characteristics of sampled load current… read more here.

Keywords: variation characteristics; fault; load current; fault diagnosis ... See more keywords

Variation characteristics and attribution analysis of actual evaporation at monthly time scale from 1982 to 2019 in Jialing River Basin, China

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Published in 2025 at "Open Geosciences"

DOI: 10.1515/geo-2025-0894

Abstract: Abstract Actual evaporation is a critical component of the water cycle and plays an important role in natural environmental change. Research on actual evaporation are significant for ecological conservation and efficient water resource utilization. Therefore,… read more here.

Keywords: evaporation monthly; actual evaporation; trend; evaporation ... See more keywords

Temporal and Spatial Variation Characteristics of the Fish Biomass Particle-Size Spectra in the Shandong Province Area of the Yellow River

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Published in 2025 at "Biology"

DOI: 10.3390/biology14020196

Abstract: Simple Summary This study examined changes in fish communities in the Shandong section of the Yellow River from summer 2022 to spring 2023. Small fish dominated in the spring and summer, medium fish in autumn,… read more here.

Keywords: characteristics fish; yellow river; spatial variation; variation characteristics ... See more keywords

Transient Injection Quantity Control Strategy for Automotive Diesel Engine Start-Idle Based on Target Speed Variation Characteristics

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Published in 2025 at "Energies"

DOI: 10.3390/en18195256

Abstract: Active control of injection quantity during start-up idle optimizes automotive diesel engine starting performance, aligning with low-carbon goals. Conventional methods rely on a calibrated demand torque map adjusted by speed, temperature, and pressure variations, requiring… read more here.

Keywords: control; target speed; injection quantity; variation characteristics ... See more keywords