Results 21 to 30 of about 7,833,698 (252)

Compensation Techniques Aimed at Mitigating Vibrations in Optical Ground-Based Telescopes: A Systematic Review

open access: yesSensors, 2021
The objective of this study was to evaluate the performance of the different systems and techniques aimed at suppressing vibrations on optical ground-based telescopes.
Guillermo Palacios-Navarro   +3 more
doaj   +1 more source

Contribution of Electronic Communications Regulation to EU's Digital Decade - Keynote speech

open access: yes, 2022
Electronic communications regulation has shapen the digital environment in ...
Contribution of the Electronic Communications Regulation to EU’s Digital Decade   +1 more
core  

Protograph-based LDPC-Hadamard codes [PDF]

open access: yes, 2021
2020 IEEE Wireless Communications and Networking Conference, WCNC 2020, 25-28 May 2020, Seoul, Korea (South)202105 bchyAccepted ManuscriptRGCRGC: 15217018EPublishedGreen ...
Lau, FCM, Sham, C-W, Zhang, PW, Sham, CW
core   +1 more source

L-band dual-wavelength fiber ring laser with automated polarization stabilization and switching for remote sensing applications

open access: yesJournal of the European Optical Society-Rapid Publications
This work reports the experimental demonstration of a dual-wavelength L-band fiber ring laser for remote sensing applications. The system incorporates a polarization-sensitive semiconductor optical amplifier as the gain medium and two fiber Bragg ...
Tainta Santiago   +6 more
doaj   +1 more source

Binary phase hopping based spreading code authentication technique

open access: yesSatellite Navigation, 2021
Civil receivers of Global Navigation Satellite System (GNSS) are vulnerable to spoofing and jamming attacks due to their signal structures. The Spreading Code Authentication (SCA) technique is one of the GNSS message encryption identity authentication ...
Shenran Wang   +3 more
doaj   +1 more source

Joint decision-making and power allocation for one-bit feedback sensor communications

open access: yes, 2012
10.1109/WCL.2012.031512.110140IEEE Wireless Communications Letters13177 ...
Gong, Yi.   +17 more
core   +1 more source

The Electronic Control of the Employer in Portugal

open access: yesLabour & Law Issues, 2016
The way the work is made has been suffering in the last years countless changes related with the huge increase and development of the use of new information and communication technologies in the work relationship. The theme of privacy and surveillance of
Teresa Coelho Moreira
doaj   +1 more source

Inband Full-Duplex Radio Transceivers: A Paradigm Shift in Tactical Communications and Electronic Warfare?

open access: yes, 2017
Inband FD operation has great potential in civilian/commercial wireless communications, because it can as much as double transmission links° spectral efficiency by exploiting the newfound capability for STAR that is facilitated by advanced SIC techniques.
Taneli Riihonen   +11 more
core   +1 more source

Fabrication Routes for Ionic Conducting Fiber Strain Sensors

open access: yesAdvanced Engineering Materials, EarlyView.
Ionic conducting fiber strain sensors (ICFSs) offer compliant, textile‐integrable sensing. Thus far, the commercialization of ICFSs has been constrained by fiber fabrication routes. This review provides a fabrication‐centric analysis of ICFSs correlating processing strategies with material properties and scalability.
Leo John Kershaw   +3 more
wiley   +1 more source

Quo vadis regulation? : annual conference, 30 June 2017, the Florence School of Regulation, Communications and Media area (FSR C&M) [PDF]

open access: yes, 2017
On 30 June 2017, the Florence School of Regulation, Communications and Media Area (FSR C&M) held its eighth Annual Conference. The Conference was divided into three panels, during which participants had the opportunity to discuss the following ...
STASI, Maria Luisa   +2 more
core   +1 more source

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