Results 11 to 20 of about 346,862 (247)

Satellite Broadcasting Enabled Blockchain Protocol: A Preliminary Study

open access: yes, 2020
Low throughput has been the biggest obstacle of large-scale blockchain applications. During the past few years, researchers have proposed various schemes to improve the systems' throughput.
Liu, Xiao Fan, Zhang, Ying-Hao
core   +1 more source

Design of Satellite Operations Subsystem Using Dynamic Fault Management Mechanism [PDF]

open access: yesJournal of Astronomy and Space Sciences, 1998
Satellite Operations Subsystem in the Mission Control Element provides real-time monitoring of the satellite status and transmits telecommands to control the satellite during the contact time.
Jaehoon Kim, Heesook Mo, Woonchan Jung
doaj  

A Study on an Object oriented Modeling for the Satelite Control System Development reusing Structured Analysis and Design Approach [PDF]

open access: yesJournal of Astronomy and Space Sciences, 1998
The object-oriented approach is a difficult method for engineers who are accustomed to other software development methods although it is an excellent software development approach.
Jaehoon Kim, Wonchan Jung, Sangbum Lee
doaj  

Media and Politics: Re-Thinking the Indonesian Broadcasting System

open access: yesJSP: Jurnal Ilmu Sosial dan Ilmu Politik, 2017
The emergence of the policy of broadcasting liberalization in the established democracies of Europe and North America, which is indicated by the absence of state intervention to broadcasting governance has been influencing broadcasting policy in the new ...
Masduki Masduki
doaj   +1 more source

Precision Nutrient Rates and Placement in Conservation Maize-Wheat System: Effects on Crop Productivity, Profitability, Nutrient-Use Efficiency, and Environmental Footprints

open access: yesAgronomy, 2021
Intensive tillage-based production systems coupled with inefficient fertilizer management practices have led to increased production costs, sub-optimal productivity, and significant environmental externalities.
Raj K. Jat   +5 more
doaj   +1 more source

Application of image recognition technology in recording and broadcasting system of intelligent classroom

open access: yesDianzi Jishu Yingyong, 2020
The use of automatic recording and broadcasting system enables teaching resources to break through the limitations of time and space, and make excellent teaching resources more popular with the public.
Deng Xiaohai, Jiang Zhoushu
doaj   +1 more source

Coll Positioning systems: a two-dimensional approach [PDF]

open access: yes, 2005
The basic elements of Coll positioning systems (n clocks broadcasting electromagnetic signals in a n-dimensional space-time) are presented in the two-dimensional case.
Ferrando, Joan Josep
core   +3 more sources

A System Design and Analysis for Satellite Communication Link [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2000
A satellite RF communication link is analyzed based on a simple fundamental equations by systematic approach in this paper. The number of variables related to a design and analysis of satellite RF link is often a dozen or more, thus it is a tedious and ...
Tae Jin Chung, Jong Won Eun
doaj  

Design of voice broadcasting system of coal mine based on Ethernet and CAN bus

open access: yesGong-kuang zidonghua, 2015
For limitations of broadcasting systems of traditional constant-pressure broadcasting, local amplified phone and personal handphone system, the paper proposed a design scheme of voice broadcasting system of coal mine based on Ethernet and CAN bus and ...
WEI Wenhui, WEI Mian
doaj   +1 more source

Analytical Study on Mission Control Element System Availability for Korea Multipurpose Satellite (KOMPSAT) I [PDF]

open access: yesJournal of Astronomy and Space Sciences, 1998
To estimate the availability of the MCE for KOMPSAT I, mathematical models of H/W and S/W availability, the availability estimating methods for parallel and redundant system were presented. Furthermore, to improve and estimate the MCE system availability,
J. W. Eun, D. I. Chang, J. M. Kim
doaj  

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