Results 141 to 150 of about 25,199,877 (422)

Self-synchronizing, bi-orthogonal coded PCM telemetry system [PDF]

open access: yes, 1971
Communications and data handling system improves signal to noise ratio when transmission channel is perturbed by noise. Telemetry system consists of airborne source, Gaussian additive noise channel, and ground receiver unit.
Miller, W.   +3 more
core   +1 more source

Millimeter-Wave Communications: Physical Channel Models, Design Considerations, Antenna Constructions, and Link-Budget

open access: yesIEEE Communications Surveys and Tutorials, 2018
The millimeter wave (mmWave) frequency band spanning from 30 to 300 GHz constitutes a substantial portion of the unused frequency spectrum, which is an important resource for future wireless communication systems in order to fulfill the escalating ...
Ibrahim A. Hemadeh   +3 more
semanticscholar   +1 more source

Development of a Parent Wireless Assistive Interface for Myoelectric Prosthetic Hands for Children

open access: yesFrontiers in Neurorobotics, 2018
In this study, a one-degree-of-freedom myoelectric prosthesis system was proposed using a Parent Wireless Assistive Interface (PWAI) that allowed an external assistant (e. g., the parent of the user) to immediately adjust the parameters of the prosthetic
Yutaro Hiyoshi   +12 more
doaj   +1 more source

Dynamic polarization compensating system for optical communications receiver [PDF]

open access: yes, 1974
Electro-optic cell is located in optical path of input light beam. Cell includes crystal for controlling phase between two polarization states. Cell axes are rotated 45 deg to receiver axes defined by vertical and horizontal polarization states.
Abshire, J. B., Fitzmaurice, M. W.
core   +1 more source

A Molecular Communications System for the Detection of Inflammatory Levels Related to COVID-19 Disease. [PDF]

open access: yesIEEE Trans Mol Biol Multiscale Commun, 2021
Felicetti L, Femminella M, Reali G.
europepmc   +1 more source

SCHOOL COMMUNICATION SYSTEMS

open access: yesSERIES VII - SOCIAL SCIENCES AND LAW, 2021
Communication has always been a main component of education, an indispensable support for the education system. Receptive to the human communication development, the timeless school practice has never stopped to wisely integrate and absorb the various verbal and non verbal forms and means in its procedural structures. This is today more
openaire   +2 more sources

Ultramicrowave communications system, phase 2 [PDF]

open access: yes
Communications system design was completed and reviewed. Minor changes were made in order to make it more cost effective and to increase design flexibility.

core   +1 more source

A Study on Fuel Estimation Algorithms for a Geostationary Communication & Broadcasting Satellite [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2000
It has been developed to calculate fuel budget for a geostationary communication and broadcasting satellite. It is quite essential that the pre-launch fuel budget estimation must account for the deterministic transfer and drift orbit maneuver ...
Jong Won Eun
doaj  

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