Results 21 to 30 of about 985,996 (285)

Analysis of Initial Deployment Strategy for Low-Orbit Large-Scale Constellations

open access: yesInternational Journal of Aerospace Engineering, 2022
With the development of commercial space technology, low-orbit large-scale satellite constellation has shown great development potential in communication services and military applications due to its advantages of low delay, strong signal, high coverage ...
Feifei Li   +4 more
doaj   +1 more source

MULTIFUNCTIONAL ANTENNA DEVICE FOR PROTECTION OF RADIO COMMUNICATION CHANNELS OF UNITS OF LAW ENFORCEMENT FORCES

open access: yesСучасні інформаційні системи, 2020
Safe conduct of mass events requires from law enforcement forces to protect the units’ radio communication channels, detection and suppression of counterparty control radio channel.
Valentyn Kozlov   +4 more
doaj   +1 more source

The seal of the confessional and a conflict of duty

open access: yesChurch, Communication and Culture, 2021
This paper considers some of the theological, legal, canonical and communication issues involved in the relationship between the civil law in Australia and Catholic Church law and practice regarding the seal of the confessional.
Brian Lucas
doaj   +1 more source

Adaptive Control for Gravitational Wave Detection Formation Considering Time-Varying Communication Delays

open access: yesSensors, 2023
A distributed six-degree-of-freedom (6-DOF) cooperative control for multiple spacecraft formation is investigated considering parametric uncertainties, external disturbances, and time-varying communication delays.
Yu Zhang   +4 more
doaj   +1 more source

A low-energy effective Yang-Mills theory for quark and gluon confinement

open access: yes, 2011
We derive a gauge-invariant low-energy effective model of the Yang-Mills theory. We find that the effective gluon propagator belongs to the Gribov-Stingl type and agrees with it when a mass term which breaks nilpotency of the BRST symmetry is included ...
A. Sternbeck   +10 more
core   +1 more source

Counterhegemony in the media under rafael Correa's citizens' revolution [PDF]

open access: yes, 2015
La Revolución Ciudadana, el proceso político iniciado en el Ecuador con la investidura presidencial de Rafael Correa en 2007, inició una transformación radical en los medios de comunicación comparables a otros experimentos gubernamentales progresistas de
Kitzberger, Philip
core   +1 more source

International best practice adopted in China: evidence-based mass media campaigns to support city-level 100% smoke free laws

open access: yesTobacco Induced Diseases, 2018
Background and challenges to implementation On June 1 st , 2015, a remarkable 100% Smoke Free Law came into effect in Beijing. On January 1 st , 2017, Shenzhen became 100% smoke free city and on March 1 st , 2017 the Shanghai smoke free law came into ...
Yu Chen   +3 more
doaj   +1 more source

The American Commitment to Private International Political Communications: A View of Free Europe, Inc. [PDF]

open access: yes, 1966
The principal service of distributed hash tables (DHTs) is route(id, data), which sends data to a peer responsible for id, using typically O(log(# of peers)) overlay hops.
Aberer, Karl   +3 more
core   +4 more sources

Clinical Insights Into Hypercalcemia of Malignancy in Childhood

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Hypercalcemia of malignancy (HCM) is a rare but life‐threatening metabolic emergency in children that occurs in less than 1% of pediatric cancer cases, with a reported incidence ranging from 0.4% to 1.0% across different studies. While it is observed in 10%–20% of adult malignancies, pediatric HCM remains relatively uncommon.
Hüseyin Anıl Korkmaz
wiley   +1 more source

A Robust Adaptive One‐Sample‐Ahead Preview Super‐Twisting Sliding Mode Controller

open access: yesInternational Journal of Adaptive Control and Signal Processing, EarlyView.
Block Diagram of the Robust Adaptive One‐Sample‐Ahead Preview Super‐Twisting Sliding Mode Controller. ABSTRACT This article introduces a discrete‐time robust adaptive one‐sample‐ahead preview super‐twisting sliding mode controller. A stability analysis of the controller by Lyapunov criteria is developed to demonstrate its robustness in handling both ...
Guilherme Vieira Hollweg   +5 more
wiley   +1 more source

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