Results 11 to 20 of about 1,421,419 (324)

Inferences for Nadarajah–Haghighi Parameters via Type-II Adaptive Progressive Hybrid Censoring with Applications

open access: yesMathematics, 2022
This study aims to investigate the estimation problems when the parent distribution of the population under consideration is the Nadarajah–Haghighi distribution in the presence of an adaptive progressive Type-II hybrid censoring scheme.
Ahmed Elshahhat   +2 more
doaj   +1 more source

Reduced-order observer-based interval estimation for discrete-time linear systems

open access: yesSystems Science & Control Engineering, 2021
This paper proposes an interval estimation method for discrete-time linear systems by designing robust reduced-order observer with reachability analysis.
Yantao Chen   +3 more
doaj   +1 more source

An Observation-Driven Random Parameter INAR(1) Model Based on the Poisson Thinning Operator

open access: yesEntropy, 2023
This paper presents a first-order integer-valued autoregressive time series model featuring observation-driven parameters that may adhere to a particular random distribution.
Kaizhi Yu, Tielai Tao
doaj   +1 more source

Global Surface HCHO Distribution Derived from Satellite Observations with Neural Networks Technique

open access: yesRemote Sensing, 2021
Formaldehyde (HCHO) is one of the most important carcinogenic air contaminants in outdoor air. However, the lack of monitoring of the global surface concentration of HCHO is currently hindering research on outdoor HCHO pollution.
Jian Guan   +5 more
doaj   +1 more source

Interval Estimation of Landslide Displacement Prediction Based on Time Series Decomposition and Long Short-Term Memory Network

open access: yesIEEE Access, 2020
Interval estimation of landslide displacement prediction is significant for landslide early warning. The goal of this paper is to improve the accuracy of landslide displacement point prediction and quantify the uncertainties associated with the predicted
Yin Xing, Jianping Yue, Chuang Chen
doaj   +1 more source

Generalized Fiducial Inference for the Generalized Rayleigh Distribution

open access: yesModelling, 2023
This article focuses on the interval estimation of the generalized Rayleigh distribution with scale and shape parameters. The generalized fiducial method is used to construct the fiducial point estimators as well as the fiducial confidence intervals, and
Xuan Zhu, Weizhong Tian, Chengliang Tian
doaj   +1 more source

Analysis of factors influencing the ultrasonic fetal weight estimation [PDF]

open access: yes, 2008
Objective: The aim of our study was the evaluation of sonographic fetal weight estimation taking into consideration 9 of the most important factors of influence on the precision of the estimation. Methods: We analyzed 820 singleton pregnancies from 22 to
Alexander Strauss   +56 more
core   +1 more source

Asymptotically Efficient Estimation of Weighted Average Derivatives with an Interval Censored Variable [PDF]

open access: yes, 2013
This paper studies the identification and estimation of weighted average derivatives of conditional location functionals including conditional mean and conditional quantiles in settings where either the outcome variable or a regressor is interval-valued.
Kaido, Hiroaki
core   +2 more sources

INTERVAL STATE ESTIMATION FOR SINGULAR DIFFERENTIAL EQUATION SYSTEMS WITH DELAYS [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2016
The paper deals with linear differential equation systems with algebraic restrictions (singular systems) and a method of interval observer design for this kind of systems.
T. A. Kharkovskaia   +2 more
doaj   +1 more source

Online weight estimation in a robotic gripper arm [PDF]

open access: yes, 2016
This paper presents a novel methodology for online, fast and accurate weight estimation technique in a robotic gripper arm. The laboratory setup is inspired from several real life applications of weight estimation in moving cranes, e.g.
Copot, Dana   +3 more
core   +2 more sources

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