نتایج جستجو برای: root mean squared error jel classification c01

تعداد نتایج: 1371448  

2008
S. J. FLETCHER M. ZUPANSKI

In this paper we perform a study using the Maximum Likelihood Ensemble Filter, MLEF, developed at the Cooperative Institute for Research in the Atmosphere (CIRA), Colorado State University (CSU), and Florida State University (FSU), with CSU’s 2-dimensional shallow water equations model on the sphere. The aim of this study is to find the optimal number of ensemble members, with respect to the ro...

1997
Robert W. Moses

A 1/6-scale F-18 wind-tunnel model was tested in the Transonic Dynamics Tunnel at the NASA Langley Research Center as part of the Actively Controlled Response Of Buffet-Affected Tails (ACROBAT) program to assess the use of active controls in reducing vertical tail buffeting. The starboard vertical tail was equipped with an active rudder and other aerodynamic devices, and the port vertical tail ...

2015
Qianqian Wu Honghao Yue Rongqiang Liu Xiaoyou Zhang Liang Ding Tian Liang Zongquan Deng

High precision measurement of acceleration levels is required to allow active control for vibration isolation platforms. It is necessary to propose an accelerometer configuration measurement model that yields such a high measuring precision. In this paper, an accelerometer configuration to improve measurement accuracy is proposed. The corresponding calculation formulas of the angular accelerati...

1996
Robert W. Moses

A 1/6-scale F-18 wind-tunnel model was tested in the Transonic Dynamics Tunnel at the NASA Langley Research Center as part of the Actively Controlled Response Of Buffet Affected Tails (ACROBAT) program to assess the use of active controls in reducing vertical tail buffeting. The starboard vertical tail was equipped with an active rudder and the port vertical tail was equipped with piezoelectric...

Journal: :CoRR 2014
Collins Leke Bhekisipho Twala Tshilidzi Marwala

This paper presents methods which are aimed at finding approximations to missing data in a dataset by using optimization algorithms to optimize the network parameters after which prediction and classification tasks can be performed. The optimization methods that are considered are genetic algorithm (GA), simulated annealing (SA), particle swarm optimization (PSO), random forest (RF) and negativ...

2008

Timing signal jitter can have a profound impact on a wide variety of applications from analog radio frequency (RF) or audio-to-digital communications. While information in a communications system, for example, is extracted from serial data streams by sampling the data signal at specific points, the presence of small quantities of jitter can alter the edge positions enough to lead to data errors...

1993
Kenji Satou Emiko Furuichi

We developed a deductive database system PACADE for analyzing three dimensional and secondary structures of protein. PACADE is equipped with a function to search for similar structures in proteins. Unlike other approaches based on calculation of the inter-atomic root mean square distance, this function is based on logic programming and source level rule rewriting techniques. We describe herein ...

2005
Ziad Adem Flavien Guenneau Marie-Anne Springuel-Huet Antoine Gédéon

1. Introduction Pulsed Field Gradient (PFG) NMR has proved to be a valuable tool to probe the intracrystalline diffusion of molecules adsorbed in microporous materials [1]. It is well-known that the purely intracrystalline diffusivity D intra can only be attained, if the root mean square (rms) displacement of the molecules during the observation time is much smaller than the diameter of the cry...

2017
Douglas W. Carter Alec J. Petersen

We experimentally investigate the presence of anisotropy from the inertial to the dissipative scales in homogeneous turbulence. We employ an apparatus in which two facing arrays of randomly actuated air jets generate turbulence with negligible mean flow and shear, over a volume several times larger than the energy-containing eddy size. The Reynolds number based on the Taylor microscale is varie...

2016
Jang Bahadur Singh Sandeep Arya Parveen Kumar Lehana

Emotional arousal can cause changes in respiration pattern and muscle stress in the vocal tract during speech production. Many researchers confirm that during muscular fatigue, there is a shift of the power spectrum toward lower frequencies and an increase in the root mean square amplitude of the EMG signal. In this paper, investigations were carried out analyze the effect of fatigue on speech ...

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