Results 81 to 90 of about 63,188 (310)

On Parameter Estimation for Bandlimited Optical Intensity Channels

Computation, 2019
Parameter estimation is of paramount importance in every digital receiver. This is not only true for radio, but also for optical links; otherwise, subsequent processing stages, like detector units or error correction schemes, could not be operated ...
Wilfried Gappmair
doaj   +1 more source

Design of an Image Motion Compenstaion (IMC) Algorithm for Image Registration of the Communication, Ocean, Meteorolotical Satellite (COMS)-1 [PDF]

Journal of Astronomy and Space Sciences, 2006
This paper presents an Image Motion Compensation (IMC) algorithm for the Korea's Communication, Ocean, and Meteorological Satellite (COMS)-1. An IMC algorithm is a priority component of image registration in Image Navigation and Registration (INR) system
Taek Seo Jung, Sang-Young Park, Un-Seob Lee, Gwanghyeok Ju, Koon Ho Yang   +4 more
doaj   +1 more source

Optical Free-Space Communication on Earth and in Space regarding Quantum Cryptography Aspects

, 2010
Mobile FSO Communication links have gained signi cant at- tention over the last years due to their increasing maturity. They are used in point to point link scenarios where the high gain in power efficiency and datarate is crucial, compared to state-of ...
Fuchs, Christian, Giggenbach, Dirk, Christian Fuchs, Dirk Giggenbach   +3 more
core   +1 more source

Chemically Doped Conductive Polymers for Wearable Health Monitoring

Advanced Materials Technologies, EarlyView.
Among conductive polymers, poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS), polyaniline (PANI), and polypyrrole (PPy) are the most studied and applied. Chemical doping significantly boosts intrinsic conductivity and mechanical robustness.
Mengdi Zuo, Jian Song, Hong Hu, Le Zheng, Lei Zhang, Charles H. Lawrie   +5 more
wiley   +1 more source

Performance Assessment using ACM in DVB-S2/Advanced DVB-RCS Satellite Systems

, 2009
This paper presents the benefits of using adaptive coding and modulation in DVB-S2/advanced DVB-RCS satellite systems. The results are based on a satellite system simulator which was developed during an ESA study.
Boussemart, Vincent, H. Brandt, Brandt, Hartmut, V. Boussemart   +3 more
core   +1 more source

Topography‐Regulated Screening Platform for Myoblast Contact Guidance

Advanced Materials Technologies, EarlyView.
This study develops a topography‐regulated screening platform (12 gradients in 96‐topography‐well plate) enabling analysis of skeletal muscle morphogenesis. The topography‐induced cell morphology changed, cell polarization, and myotube differentiation, establishing an evaluative framework for generating pathologically relevant myotube phenotypes to ...
Tianqi Feng, Torben A.B. van der Boon, Savannah Amy Haupt, Adam Jones, Yanjing Ji, Theo G. Van Kooten, Patrick van Rijn   +6 more
wiley   +1 more source

A Fast High-Resolution Imaging Algorithm for Helicopter-Borne Rotating Array SAR Based on 2-D Chirp-Z Transform

Remote Sensing, 2019
In view of the azimuth resolution of the helicopter-borne rotating array synthetic aperture radar (RoASAR) depending on the azimuth reconstruction angle and the sector distortion caused by the azimuth Deramp processing, this paper proposes an efficient ...
Mengyi Qin, Dong Li, Xianhui Tang, Cao Zeng, Wenjun Li, Liying Xu   +5 more
doaj   +1 more source

Performance study of an integrated satellite/terrestrial mobile communication system [PDF]

, 1996
Terrestrial cellular networks and mobile satellite systems are expected to converge towards a future integrated satellite/terrestrial mobile communication network.
Mohorcic M., Del Re E., Kandus G., Giambene G., Del Re, Enrico   +4 more
core   +1 more source

Highly Anisotropic Quasi‐Direct Organic Metal Halide Hybrids: A Platform for Polarization‐Sensitive Optoelectronics

Advanced Materials Technologies, EarlyView.
One‐dimensional C4N2H14PbBr4 is shown to have a quasi‐direct electronic band structure and strongly anisotropic transport with polarized broadband emission. A GW/Bethe–Salpeter excited‐state force formalism, supported by polarized Raman and temperature‐dependent photoluminescence, identifies low–frequency Pb–Br phonons that drive ultrafast exciton self‐
Rijan Karkee, Rafael R. Del Grande, Yeonjoo Lee, Jinkyoung Yoo, Azza Ben‐Akacha, Biwu Ma, Michael T. Pettes, David A. Strubbe   +7 more
wiley   +1 more source

Magnetic Textiles: A Review of Materials, Fabrication, Properties, and Applications

Advanced Materials Technologies, EarlyView.
Magnetic textiles (M‐textiles) are emerging as a programmable materials platform that merges magnetic matter with hierarchical textile structures. This article consolidates magnetic material classes, textile architectures, and fabrication and magnetization strategies, revealing structure–property–function relationships that govern magneto‐mechanical ...
Li Ke, Moses Kumi, Xiaoming Tao, Junhong Pu   +3 more
wiley   +1 more source