Results 11 to 20 of about 246,509 (289)

Iterative turbo beamforming for OFDM based hybrid terrestrial-satellite mobile system [PDF]

open access: yes, 2012
In the context of orthogonal frequency division multiplexing (OFDM)-based systems, pilot-based beamforming (BF) exhibits a high degree of sensitivity to the pilot sub-carriers.
Evans, B.G., Imran, M.A., Khan, A.H.
core   +1 more source

Active Whale Avoidance by Large Ships: Components and Constraints of a Complementary Approach to Reducing Ship Strike Risk

open access: yesFrontiers in Marine Science, 2019
The recurrence of lethal ship-whale collisions (‘ship strikes’) has prompted management entities across the globe to seek effective ways for reducing collision risk.
Scott M. Gende   +5 more
doaj   +1 more source

Surface Refractive Surgery Outcomes in Israeli Combat Pilots

open access: yesBioMedInformatics, 2022
Photorefractive keratectomy (PRK) has long been the method of choice for refractive surgery in pilots, and was FDA approved for U.S. Air Force aviators in 2000. We retrospectively reviewed the medical records of 16 male combat pilots (mean age 25.0 ± 5.5
Asaf Achiron   +8 more
doaj   +1 more source

Pilots’ visual scan pattern and attention distribution during the pursuit of a dynamic target [PDF]

open access: yes, 2016
Introduction: The current research is investigating pilots’ visual scan patterns in order to assess attention distribution during air-to-air manoeuvers.
Chung-San Yu   +4 more
core   +1 more source

Morphological Characteristics and Lung Function of the Pilots of Montenegro Army

open access: yesJournal of Anthropology of Sport and Physical Education, 2022
The results of numerous medical studies and kinesiology research show the existence of differences in the lung function with reference to age, body height and the ratio of certain parameters of body composition.
Boris Banjevic, Boris Zarkovic
doaj   +1 more source

Editorial for Vol. 33, No. 4

open access: yesHanggong uju uihakoeji, 2023
This issue of Volume 33, Issue 4 contains 4 papers, 2 review articles, 1 letter, 1 case report focusing on aerospace medicine and human factors.
Juwon Lim
doaj   +1 more source

THE SYRIAN QUESTION IN THE CONTEXT OF GEOPOLITICAL CONTRADICTIONS OF RUSSIA AND USA

open access: yesСовременная наука и инновации, 2022
The Syrian crisis is most difficult today an interlacing of geopolitical contradictions where the multi-vector interests of global players - the USA and Russia and regional find the collision: Saudi Arabia, Turkey, Iran.
Arushan Arushanovich Vartumyan   +1 more
doaj  

Microbiological surveillance result of endoscopes after INTERCEPT Foam Spray: a quasi-experimental pilot study in Singapore [PDF]

open access: yesClinical Endoscopy
Background/Aims This study aimed to assess the impact of INTERCEPT Foam Spray (IFS) application on delayed endoscope reprocessing through microbiological surveillance culture (MSC).
Caihong Wang   +6 more
doaj   +1 more source

Theory of aces: high score by skill or luck? [PDF]

open access: yes, 2008
We studied the distribution of World War I fighter pilots by the number of victories they were credited with, along with casualty reports. Using the maximum entropy method we obtained the underlying distribution of pilots by their skill. We find that the
Roychowdhury, V. P., Simkin, M. V.
core   +1 more source

Live–virtual–constructive simulation for testing and evaluation of air combat tactics, techniques, and procedures, Part 2: demonstration of the framework [PDF]

open access: yes, 2021
In this paper, the use of the live (L), virtual (V), and constructive (C) simulation framework introduced in Part 1 of this two-part study is demonstrated in the testing and evaluation of air combat tactics, techniques, and procedures (TTP).
Don Harris   +5 more
core   +1 more source

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