Results 31 to 40 of about 75,448 (316)

Effective-SNR estimation for wireless sensor network using Kalman filter [PDF]

open access: yes, 2013
In many Wireless Sensor Network (WSN) applications, the availability of a simple yet accurate estimation of the RF channel quality is vital. However, due to measurement noise and fading effects, it is usually estimated through probe or learning based ...
Dai, Xuewu   +6 more
core   +1 more source

Improvement of ECG Signal Noise Removal Using Recursive Kalman Filter [PDF]

open access: yesJournal of Intelligent Procedures in Electrical Technology, 2011
Nowadays, Kalman filter has been wildly used for solving the problem of real world. Kalman filter is a recursive filter that estimates the state of a linear dynamic system from a series of noisy measurements.
Sara Moein, Zahra Beheshti
doaj  

A comprehensive approach to predict a rocket's impact with stochastic estimators and artificial neural networks

open access: yesIET Signal Processing, 2021
One of the current ways to continue space research is to launch ballistic rockets that carry scientific payloads. To improve the accuracy of the instantaneous evolution of the payload impact on the Earths surface, it is necessary to estimate indirect ...
Jose Abreu   +2 more
doaj   +1 more source

Steady state Kalman filter design for cases and deaths prediction of Covid-19 in Greece

open access: yesResults in Physics, 2021
In this work we study the applicability of the steady state Kalman filter in order to predict new cases and deaths of Covid-19. We use the actual observations of new cases and deaths. First, we deal with short term prediction, namely daily prediction. We
N. Assimakis   +3 more
doaj   +1 more source

An unscented Kalman filter for freeway traffic estimation [PDF]

open access: yes, 2006
This paper addresses the problem of freeway tra±c flow estimation. The freeway is considered as a network of components representing different freeway stretches called segments.
HEGYI, A   +8 more
core   +1 more source

Application of H∞ Filter on the Angular Rate Matching in the Transfer Alignment

open access: yesDiscrete Dynamics in Nature and Society, 2016
The transfer alignment (TA) scheme is used for the initial alignment of Inertial Navigation System (INS) on dynamical base. The Kalman filter is often used in TA to improve the precision of TA.
Lijun Song, Zhongxing Duan, Jiwu Sun
doaj   +1 more source

Optimized Design of 3D Spatial Images Based on Kalman Filter Equation

open access: yesAdvances in Mathematical Physics, 2021
This paper takes the advantageous ability of Kalman filter equation as a means to jointly realize the accurate and reliable extraction of 3D spatial information and carries out the research work from the extraction of 3D spatial position information from
Wei Shan
doaj   +1 more source

A Novel Adaptive Extended Kalman Filtering and Electrochemical-Circuit Combined Modeling Method for the Online Ternary Battery state-of-charge Estimation

open access: yesInternational Journal of Electrochemical Science, 2020
Lithium-ion batteries are used more and more extensively, and the state-of-charge estimation of lithium-ion batteries is essential for their efficient and reliable operation.
Cong Jiang   +4 more
doaj   +1 more source

Robust adaptive cubature Kalman filter for tracking manoeuvring target by wireless sensor network under noisy environment

open access: yesIET Radar, Sonar & Navigation, 2023
The existing adaptive Kalman filters for tracking manoeuvring targets by wireless sensor networks can easily lose robustness when both the measurement and process noises are unknown and time‐varying, resulting in large positioning errors.
Xuming Fang, Dandan Huang
doaj   +1 more source

Kalman filtering as a performance monitoring technique for a propensity scorecard [PDF]

open access: yes, 2011
Propensity scorecards allow forecasting, which bank customers would like to be granted new credits in the near future, through assessing their willingness to apply for new loans. Kalman filtering can help to monitor scorecard performance.
Bijak, Katarzyna
core   +1 more source

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