Results 11 to 20 of about 11,654,989 (317)

56.6 dB high gain L-band EDFA utilizing short-length highly-doped erbium rare-earth material [PDF]

Journal of the European Optical Society-Rapid Publications, 2014
In this paper, we experimentally investigate the performance of an efficient high gain L-band erbium-doped fiber (EDF) amplifier structure utilizing short-length highly-doped erbium rare-earth material with a single pump source.
Al-Mansoori M. H., Al-Ghaithi W. S.
doaj   +1 more source

Guidance on evaluating parametric model uncertainty at decision-relevant scales [PDF]

Hydrology and Earth System Sciences, 2022
Spatially distributed hydrological models are commonly employed to optimize the locations of engineering control measures across a watershed. Yet, parameter screening exercises that aim to reduce the dimensionality of the calibration search space are ...
J. D. Smith, J. D. Smith, L. Lin, J. D. Quinn, L. E. Band, L. E. Band   +5 more
doaj   +1 more source

Pocketqube L-Band RFI Detection Payload

IGARSS 2023 - 2023 IEEE International Geoscience and Remote Sensing Symposium, 2023
In the last decades, the number of wireless devices has notably increased, and improper RF filtering has resulted in an increase in Radio Frequency Interference (RFI). At L-band this is due to a plethora of reasons: from VHF/UHF harmonics, higher frequency band (e.g. WiFi boosters) emissions, or even intentional RFI created by Personal Privacy Devices (
Podaru, Stefan, Gràcia i Solà, Guillem, Camps Carmona, Adriano José   +2 more
openaire   +2 more sources

L-band compatibility of LDACS1

2011 IEEE/AIAA 30th Digital Avionics Systems Conference, 2011
In order to cope with the increasing demand of communication capacity in the aeronautical sector, the Future Communications Infrastructure has been developed. For air ground communications currently two candidates are considered for the L-band digital aeronautical communication system.
Schneckenburger, Nicolas, Franzen, Nico, Gligorevic, Snjezana, Schnell, Michael   +3 more
openaire   +3 more sources

L-Band Spectra of 13 Outbursting Be Stars [PDF]

Publications of the Astronomical Society of the Pacific, 2009
9 figures, to be published in ...
Mennickent, R. E., Sabogal, B., Granada, Anahí, Cidale, Lydia Sonia   +3 more
openaire   +6 more sources

Wavelength-switchable L-band fiber laser assisted by random reflectors

Journal of the European Optical Society-Rapid Publications, 2023
A wavelength-switchable L-band erbium-doped fiber laser (EDFL) assisted by an artificially controlled backscattering (ACB) fiber reflector is here presented.
Perez-Herrera R.A., Roldan-Varona P., Sanchez-Gonzalez A., Rodriguez-Cobo L., Lopez-Higuera J.M., Lopez-Amo M.   +5 more
doaj   +1 more source

ReCalibration and validation of the SMAP L-band radiometer [PDF]

2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2016
The Soil Moisture Active Passive (SMAP) mission was launched on 31st January 2015 in a 6 AM/6 PM sun-synchronous orbit at 685 km altitude to measure soil moisture and free/thaw globally [1]. The passive instrument of SMAP is a fully polarimetric L-band radiometer (1.4GHz) operating with a bandwidth of 24MHz.
Jinzheng Peng, Sidharth Misra, Jeffrey R. Piepmeier, Emmanuel P. Dinnat, Thomas Meissner, David M. Le Vine, Rajat Bindlish, Giovanni De Amici, Priscilla N. Mohammed, Simon H. Yueh   +9 more
openaire   +1 more source

Reducing pulsewidth broadening in L-band EDFAs by use of a new L-band EDF [PDF]

IEEE Photonics Technology Letters, 2001
Due to a small effective area of erbium-doped fiber (EDF), a short pulse will be broadened because of self-phase modulation when it is amplified in an L-band EDF amplifier (EDFA); hence, it is necessary to develop a new EDF with large Er/sup 3+/ concentration to reduce the EDF length and a large effective area to reduce the nonlinear effect in the L ...
Yu, Jianjun, Jeppesen, Palle; id_orcid 0000-0001-6578-6188, Palsdottir, Bera, Knudsen, Stig Nissen   +3 more
openaire   +1 more source

Microwave L-band emission of freezing soil [PDF]

IEEE Transactions on Geoscience and Remote Sensing, 2004
We report on field-measured microwave emission in a period of frost penetration into a grassland soil. The measurements were recorded with a high temporal resolution using an L-band radiometer mounted on a 7-m high tower. The observation period (December 2002 to March 2003) included two cycles of soil freezing and thawing with maximum frost depth of 25
Mike Schwank, Manfred Stähli, Hannes Wydler, Jörg Leuenberger, Christian Mätzler, Hannes Flühler   +5 more
openaire   +3 more sources

Analisis Parameter Antena Mikrostrip dengan Metode Split Ring Resonator pada Frekuensi L-Band

Matrix: Jurnal Manajemen Teknologi dan Informatika, 2020
Pada penelitian ini dilakukan perancangan antena mikrostrip dengan menggunakan metode split ring resonator (SRR) untuk aplikasi pada frekuensi L-Band. Antena ini mempunyai dimensi substrat 90 mm x 50 mm dengan panjang patch 60 mm dan lebar patch 44 mm ...
Dian Rusdiyanto , Catur Apriono, Dian Widi Astuti   +2 more
doaj   +1 more source