Results 11 to 20 of about 680,702 (313)

LoRa Transmission Parameter Selection [PDF]

open access: yes2017 13th International Conference on Distributed Computing in Sensor Systems (DCOSS), 2017
Low-Power Wide-Area Network (LPWAN) technologies such as Long Range (LoRa) are emerging that enable power efficient wireless communication over very long distances. LPWAN devices typically communicate directly to a sink node which removes the need of constructing and maintaining a complex multi-hop network.
Martin C. Bor, Utz Roedig
openaire   +1 more source

Classification method of surrounding rock of plateau tunnel based on BP neural network

open access: yesFrontiers in Earth Science, 2023
Due to the unique high-altitude geological conditions of the railway in the cold region, the problem of high ground stress in the construction process is very prominent.
Li Shuguang   +7 more
doaj   +1 more source

Designing Structural Parameters of Nonwovens Using Fuzzy Logic and Neural Networks [PDF]

open access: yesInternational Journal of Computational Intelligence Systems, 2008
In this paper, a computer aided system for designing nonwoven materials is presented. As an original approach in the field of nonwoven research, both quality measurement analysis and human knowledge processing are integrated in the system.
Philippe Vroman   +3 more
doaj   +1 more source

Qualitative Classification of Lubricating Oil Wear Particle Morphology Based on Coaxial Capacitive Sensing Network and SVM

open access: yesSensors, 2022
In addition to lubricating and cooling, aero-engine lubricating oil is also a transport medium for wear particles generated by mechanical wear. Online identification of the number and shape of wear particles is an important means to directly determine ...
Ling Zhu   +5 more
doaj   +1 more source

Selection of Model Parameters for Off-Line Parameter Estimation [PDF]

open access: yesIEEE Transactions on Control Systems Technology, 2004
Mechanistic dynamic models often contain unknown parameters whose values are difficult to determine even with highly specialized laboratory experiments. A practical approach is to estimate such parameters from available process data. Typically only a subset of the parameters can be estimated due to restrictions imposed by the model structure, lack of ...
Li, RJ, Henson, MA, Kurtz, MJ
openaire   +2 more sources

Parameter Selection and Performance Comparison of Particle Swarm Optimization in Sensor Networks Localization

open access: yesSensors, 2017
Localization is a key technology in wireless sensor networks. Faced with the challenges of the sensors’ memory, computational constraints, and limited energy, particle swarm optimization has been widely applied in the localization of wireless sensor ...
Huanqing Cui   +3 more
doaj   +1 more source

The Optimized Multi-Scale Permutation Entropy and Its Application in Compound Fault Diagnosis of Rotating Machinery

open access: yesEntropy, 2019
Multi-scale permutation entropy (MPE) is a statistic indicator to detect nonlinear dynamic changes in time series, which has merits of high calculation efficiency, good robust ability, and independence from prior knowledge, etc.
Xianzhi Wang   +3 more
doaj   +1 more source

Optimized Metabotype Definition Based on a Limited Number of Standard Clinical Parameters in the Population-Based KORA Study

open access: yesLife, 2022
The aim of metabotyping is to categorize individuals into metabolically similar groups. Earlier studies that explored metabotyping used numerous parameters, which made it less transferable to apply.
Chetana Dahal   +9 more
doaj   +1 more source

Demographic Parameters and Natural Selection [PDF]

open access: yesProceedings of the National Academy of Sciences, 1974
This paper introduces two new demographic parameters, the entropy and the reproductive potential of a population. The entropy of a population measures the variability of the contribution of the different age classes to the stationary age distribution. The reproductive potential measures the mean of the contribution of the different age classes to the ...
openaire   +3 more sources

Parameter selection experiment. [PDF]

open access: yes, 2022
Parameter selection experiment.
Lihua Bi (2265031)   +4 more
core   +1 more source

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