Results 31 to 40 of about 8,875 (115)

Rainfall Detection and Rainfall Rate Estimation Using Microwave Attenuation

open access: yesAtmosphere, 2018
Eight microwave links operating at frequencies ranging from 6 to 8 GHz and with path lengths ranging from 5.7 to 37.4 km traversing the city of Seoul, Korea are used to detect rainfall and estimate path-averaged rainfall rates.
Min-Seong Kim, Byung Hyuk Kwon
doaj   +1 more source

Hydrometeor Identification Using Multiple-Frequency Microwave Links: A Numerical Simulation

open access: yesRemote Sensing, 2020
A method for identifying hydrometeor types (rain, graupel, and wet snow) based on a microwave link is proposed in this paper. The measured hydrometeor size distribution (HSD) data from the winters of 2014 to 2019 in Nanjing, China, were used to carry out
Kang Pu   +3 more
doaj   +1 more source

Use of commercial microwave links as scintillometers: potential and limitations towards evaporation estimation [PDF]

open access: yesAtmospheric Measurement Techniques
Scintillometers are used to estimate path-integrated evaporation and sensible heat fluxes. Commercial microwave links (CMLs), such as are used in cellular telecommunication networks, are similar line-of-sight instruments that also measure signal ...
L. D. van der Valk   +5 more
doaj   +1 more source

Evaporation measurements using commercial microwave links as scintillometers [PDF]

open access: yesHydrology and Earth System Sciences
As the spatial coverage of evaporation observations is limited, we propose a novel, opportunistic method to estimate evaporation in which we consider commercial microwave links (CMLs), such as used in cellular telecommunication networks, in combination ...
L. D. van der Valk   +4 more
doaj   +1 more source

Symmetric solutions of problem of synthesis of three-link stepped microwave filter of Butterworth

open access: yesФизика волновых процессов и радиотехнические системы, 2020
It is demonstrated, that the problem of synthesis of three-link stepped microwave filter of Butterworth has two symmetric solutions. These solutions have equal wave impedances of the first and last links.
A.S. Aref’ev
doaj   +1 more source

A measurement campaign to assess sources of error in microwave link rainfall estimation [PDF]

open access: yesAtmospheric Measurement Techniques, 2018
We present a measurement campaign to address several error sources associated with rainfall estimates from microwave links in cellular communication networks. The core of the experiment is provided by three co-located microwave links installed between
T. C. van Leth   +4 more
doaj   +1 more source

Investigation and System Implementation of Flexible Bandwidth Switching for a Software-Defined Space Information Network

open access: yesIEEE Photonics Journal, 2017
This paper proposes and experimentally demonstrates a hybrid switching system that provides flexible bandwidth allocation for future laser and microwave space information networks.
Bin Wu   +4 more
doaj   +1 more source

Integrated Microwave Photonics for Wideband Signal Processing

open access: yesPhotonics, 2017
We describe recent progress in integrated microwave photonics in wideband signal processing applications with a focus on the key signal processing building blocks, the realization of monolithic integration, and cascaded photonic signal processing for ...
Xiaoke Yi   +4 more
doaj   +1 more source

Analysis of Microwave Communication Network Planning on Ocean Topography Using Space Diversity

open access: yesBuletin Pos dan Telekomunikasi: Media Komunikasi Ilmiah, 2020
One of the challenges often met by planners of the telecommunications network using microwave radio is surface conditions, especially when passing through the ocean.
Arrizky Ayu Faradila Purnama   +1 more
doaj   +1 more source

Application of commercial microwave links (CMLs) attenuation for quantitative estimation of precipitation

open access: yesMeteorological Applications
Precipitation estimation models are typically sourced by rain gauges, weather radars and satellite observations. A relatively new technique of precipitation estimation relies on the network of Commercial Microwave Links (CMLs) employed for cellular ...
Magdalena Pasierb   +8 more
doaj   +1 more source

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