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Experimental Verification of a Depth Controller using Model Predictive Control with Constraints onboard a Thruster Actuated AUV [PDF]

open access: yes, 2012
In this work a depth and pitch controller for an autonomous underwater vehicle (AUV) is developed. This controller uses the model predictive control method to manoeuvre the vehicle whilst operating within the defined constraints of the AUV actuators ...
Furlong, M.   +4 more
core   +1 more source

CORRELATION GEOMETRY-PARAMETERS ON THE DESIGN OF CONSTANT PITCH SPIRAL-TURNED ORNAMENTS [PDF]

open access: yesAnnals: Series on engineering sciences (Academy of Romanian Scientists), 2014
Spiral-turned ornaments used in the decoration of furniture requires a special study in terms of their geometry, for correlating the geometrical elements in such a way as to ensure an adequate aesthetic shape, both of the decorated part, as well as of ...
Ivan CISMARU, Camelia COŞEREANU
doaj  

An analysis of pitch and duration in material used to test L2 processing of words [PDF]

open access: yes, 2006
The material reported on in this paper is part of a set of experiments in which the role of Information Structure on L2 processing of words is tested. Pitch and duration of 4 sets of experimental material in German and English are measured and analyzed ...
Sennema, Anke   +2 more
core  

Constant lift rotor for a heavier than air craft [PDF]

open access: yes, 1979
A rotor blade extended radially from a hub, characterized by an elongated spar and a plurality of axially aligned shells pivotally mounted on the spar is presented.
Stroub, R. H.
core   +1 more source

The Distorted Speech Vocalisms Harmonic Structure Restoration by means of Dynamic Spectrograms Images Digital Processing

open access: yesБезопасность информационных технологий, 2013
The harmonic structure of noisy speech reconstruction method based on pitch and divisible harmonies frequency determination on vocalized sections along spectral-time descriptions images is presented in this work.
Victor Mikhailovich Alyushin   +1 more
doaj  

Talking Like a Teacher—A Study of Pre-Service Teachers’ Voice and Speech Characteristics in Learning and Teaching Situations

open access: yesEducation Sciences
Voice and speech are educational tools and a medium of pedagogy for teachers. Teachers tend to modify their voice and speech to support learning. This study aimed to investigate whether pre-service teachers modify their speech and voice in teaching ...
Kati Järvinen   +3 more
doaj   +1 more source

Development of Thick-foil and Fine-pitch GEMs with a Laser Etching Technique

open access: yes, 2009
We have produced thick-foil and fine-pitch gas electron multipliers (GEMs) using a laser etching technique. To improve production yield we have employed a new material, Liquid Crystal Polymer, instead of polyimide as an insulator layer.
A. Harayama   +29 more
core   +1 more source

Musicality in Infancy

open access: yesPsychological Topics, 2023
The present review summarizes the available evidence on musicality, or music-related abilities, in infants (birth to 3 years). In the early months of life, infants are responsive to the pitch and temporal patterns of music.
Sandra E. Trehub
doaj  

Pitch-angle scattering in magnetostatic turbulence. II. Analytical considerations and pitch-angle isotropization

open access: yes, 2013
Aims. The process of pitch-angle isotropization is important for many applications ranging from diffusive shock acceleration to large-scale cosmic-ray transport.
Tautz, R. C.
core   +1 more source

Some considerations on pitch [PDF]

open access: yes, 2013
Pitch is an audible quality of sound which can be explained not only in terms of strong correlation with sound waves’ properties, but also by a neat correlation to the properties of the sounding object.
Di Bona, E.
core  

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