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Daily Precipitation Prediction Based on SVM-CEEMDAN-BiLSTM Model
Published 2023-01-01“…It thus provides a reference for solving the problem of low prediction accuracy of the maximum value and rain-free days during daily precipitation prediction.…”
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163
Sensory Precipitation Forecast Using Artificial Neural Networks and Decision Trees
Published 2022-06-01“…The classification was made according to the data obtained from the rain sensor and the relationship between the other 5 sensors used in the device to the rain classification was examined. …”
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164
Characteristics of the South China Sea Monsoon from the Onset to Withdrawal before and after 1993/94
Published 2020-01-01“…In addition, the rain-belt in the Yangtze River basin persisted much longer during summer. …”
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El tiempo vuela: el uso de aves y otros animales para representar las unidades de tiempo de la cuenta larga maya
Published 2017-12-01“…This hypothesis clarifies the origin of the word, haab’, “year”, which even nowadays has the meaning of “rain”, or “storm” in some Mayan languages.…”
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167
Research progress of error correction coding in optical wireless communication system
Published 2022-09-01“…The channel environment of the optical wireless communication is complicated, susceptible to various natural phenomena such as rain, snow, and fog.The channel code is usually used to correct the error caused by the channel noise.Common channel codes are Reed-Solomon (RS) code, Turbo code, low density parity check (LDPC) code, polarization code and other types.The development of the error correction code was combed, the research progress of the error correction code for the optical wireless communication were summarized and the comparative analysis was made, which introduced the progress of Xi'an University of Technology in this field of theory and experimentation.RS code, Turbo code, LDPC code were comparable to the error correction characteristics in rain, snow and fog environments.Finally, the future possible research direction and challenges were pointed out, providing references for the future development and research in the relevant fields.…”
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168
Customizable Restoration in Multi-Degradation Scenarios: Joint Deraining and Low-Light Image Enhancement via Perceptual Decoupling
Published 2025-01-01“…In real-world nighttime photography, images often suffer from both low-light conditions and rain-induced degradations simultaneously. Traditional methods typically address these issues separately, which limits their effectiveness when both types of degradation are present. …”
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169
MESH STRESS AND FATIGUE LIFE STUDY OF WALKING MECHANISM OF SHEARER UNDER PRACTICAL WORKING CONDITIONS
Published 2018-01-01“…By using the experimentally measured traction resistance and gravity of shearer as external load,transient dynamic simulation was executed.The rain flow count、load extrapolation and superposition of dangerous nodes maximum equivalent stress time history were conducted by using Rain-flow module in the n-code GlypWorks. …”
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170
Footstep and Vehicle Detection Using Slow and Quick Adaptive Thresholds Algorithm
Published 2013-10-01“…An algorithm is developed for footstep, vehicle, and rain detection using seismic sensors operating in a wireless sensor network. …”
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171
Estimating Probable Maximum Precipitation Based on Synoptic Method in Ghomrood Basin
Published 2018-03-01“…In the following, the required synoptic maps produced and were studied. Iso rain maps were drawn, and depth-area-duration curves were determined. …”
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172
A Robust Skewed Boxplot for Detecting Outliers in Rainfall Observations in Real-Time Flood Forecasting
Published 2019-01-01“…However, for skewed data, such as telemetric rain observations in a real-time flood forecasting system, the probability is significantly higher. …”
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173
Effects of Interplanting Medicinal Herbs on Runoff, Sediment and Nitrogen and Phosphorus Losses in Young Oil Tea Plantation on Red Soil Sloping Field
Published 2024-12-01“…The nitrogen and phosphorus reduction effects ranged from 83.02% to 99.14% and 88.38% to 99.65%, respectively; whereas YA pattern only had a better nutrient interception effect under moderate and heavy rain, the soil and water conservation effect under heavy rain was not obvious. (3) Based on the TOPSIS model, the comprehensive benefits of the four patterns were evaluated and ranked as YY (0.48) > YC (0.29) > YA (0.23) > CK (0.02). …”
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174
Deformation Stability and Failure Analysis of Composite Interface Accumulation Slope
Published 2020-01-01“…Distribution of groundwater and accumulated soil stress is an important factor for the deformation stability and failure mode of composite interface slope.Based on the typical geological section of Dongjiashan landslide,this paper generalizes a geomechanical model of composite interface slope,analyzes the development and evolution results of the equivalent plastic zone of the slope at different groundwater levels by finite element software,mainly explains the stress and deformation characteristics of the slope,slip zone and central soil in natural state,and reveals the deformation and failure mechanism of the composite interface slope.The numerical calculation results show that under natural and heavy rain conditions,the equivalent plastic zone of the slope first penetrates integrally and gradually develops towards the middle of the slope,and finally forms the secondary plastic penetrating surface in the upper middle part of the slope.The groundwater level reduces the stability of the composite base slope,and there is a higher possibility of secondary sliding on the upper part of composite interface slope during heavy rain.The shape of the horizontal displacement change curve of the slip zone and slope is similar to that of the composite interface,and the non-monotonic change potential slip surface affects the deformation distribution and failure mode of the slope at the geotechnical composite interface.…”
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175
Fatigue Strength Analysis of Planet Carrier in MW Level Wind Turbine Gearbox
Published 2017-01-01“…The fatigue load spectrum of the planet carrier is calculated by the rain flow cycle counting method. Finally,based on the combination of presents a rain flow counting method with Palmagren-Miner damage theory and safety factor to calculate the fatigue damage method by using the n Code/design life software,the fatigue damage and minimum safety factor of the low speed level planet carrier of the wind power gearbox is obtained. …”
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176
Flood Risk Assessment for Zengcheng District of Guangzhou City Based on Complex Network Models
Published 2023-01-01“…Under the dual influences of climate changes and urbanization,the frequent urban flood disasters exacerbate losses caused by the flood disaster chain and pose a serious threat to the public life safety and sound development of cities.Based on the disaster data from 1980 to 2020 in the Zengcheng District of Guangzhou,this paper builds a complex network model of disaster evolution by employing heavy rain as the disaster source and conducts disaster risk analysis.The vulnerability of the disaster network is evaluated by the calculation of the network average disaster path,edge betweenness,and connectivity.Meanwhile,the correlation between disaster events is analyzed by the co-occurrence rate of the events.The results show that high-intensity and short-duration heavy rain is the source of flood disasters in Zengcheng District,Guangzhou.Damage to water conservancy facilities is a key node affecting the vulnerability of the disaster network,and inundated farmland is the main cause of significant economic losses,with house flooding caused by water on the road surface being the biggest disaster risk.The results can provide references for risk control of the flood disaster chain in Zengcheng District,Guangzhou,and related emergency management decisions.…”
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177
Strong wind is one of the important factors that trigger landslides
Published 2025-01-01“…The significance of the combined rain–wind influence on landslides is examined using Mann–Whitney U test and 3D histogram, and a Random Forest machine learning model is constructed to predict the occurrences of landslides based on factors, such as heavy rain, strong winds, traditional geological conditions, and topographical factors. …”
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Statistical Evaluation and Trend Analysis of ANN Based Satellite Products (PERSIANN) for the Kelani River Basin, Sri Lanka
Published 2022-01-01“…Therefore, this research study aims to identify the potential of using SbPPs as a different method to measure rain besides using a rain gauge. Furthermore, the aim of the work is to examine the trends in precipitation products in the Kelani river basin. …”
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179
Effects of Furrow Corn Straw Mulch on Soil Erosion and Organic Carbon Loss in Sloping Farmland in the Black Soil Region
Published 2024-12-01“…The objectives of this study were to classify rainfall patterns (I—light rain with long duration, II—heavy rain with short duration, III—moderate rain with moderate duration; T1 and T2—special rains) and reveal the effects of furrow corn straw mulch—a new straw return—on soil erosion and organic carbon loss. …”
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A NEW SPECTRUM DEVELOPMENT METHODOLOGY FOR ACCELERATED DURABILITY TEST
Published 2016-01-01“…To verify the validness of this methodology,analyses of original spectrum and the accelerated spectrum were conducted from multi-aspects,including amplitude domain( level crossing counting and rain-flow counting),damage domain( damage reservation and rain-flow cycle damage distribution),and frequency domain( shock response spectrum and fatigue damage spectrum). …”
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