Results 31 to 40 of about 503,252 (278)
Measurement Science Review, 2016 This paper deals with an investigation of the dielectric properties of concretes that includes rice husk ash using a planar coaxial probe. The planar coaxial probe has a planar structure with a microstrip and coaxial features.
Piladaeng Nawarat +2 more
doaj +1 more source
Development and study of a microwave reflex-radar level gauge of the nuclear reactor coolant [PDF]
Nuclear Energy and Technology, 2018 The article considers the design of a microwave reflex-radar level gauge of the nuclear reactor coolant. The main advantage of the reflex-radar measurement principle is that it does not affect the accuracy of measuring the level of bubbles present ...
Vladimir I. Melnikov +3 more
doaj +3 more sources
Sensors, 2023 We are developing a transmission-based probe for point-of-care assessment of vertebrae strength needed for fabricating the instrumentation used in supporting the spinal column during spinal fusion surgery.
Paul Meaney +5 more
doaj +1 more source
Interactional aerodynamics and acoustics of a hingeless coaxial helicopter with an auxiliary propeller in forward flight [PDF]
, 2008 The aerodynamic and acoustic characteristics of a generic hingeless coaxial helicopter with a tail-mounted propulsor and stabiliser have been simulated using Brown's Vorticity Transport Model.
Brown, R.E. +3 more
core +7 more sources
Effect of rotor stiffness and lift offset on the aeroacoustics of a coaxial rotor in level flight [PDF]
, 2009 The acoustic characteristics of a twin contra-rotating coaxial rotor configuration with significant flapwise stiffness are investigated in steady forward flight.
Brown, R.E. +5 more
core +3 more sources
Optimization of coaxial couplers. [PDF]
, 2007 A simple and accurate method has been developed to optimize the performance of coaxial couplers for traveling-wave tubes using a 3-D electromagnetic field simulation code.
Carter, Richard G. +4 more
core +3 more sources
Energies, 2019 In this study, the thermal behavior of the coaxial and double U borehole heat exchangers was investigated using numerical simulations in both the long- and short-term.
Davide Quaggiotto +10 more
doaj +1 more source
Size Miniaturized Coaxial Probe Fed Antenna for Multiband Applications
Advanced Electromagnetics, 2020 A novel coaxial cable-fed antenna with a combination of L-shaped elements is proposed for multiband applications. The obtained resonances at different frequency bands are realized by adding L-shaped strips with different lengths to the antenna geometry ...
B. Heydarpanah +4 more
doaj +1 more source
Dielectric characterization of vegetation at L band using an open-ended coaxial probe [PDF]
Geoscientific Instrumentation, Methods and Data Systems, 2018 Decoupling the integrated microwave signal originating from soil and vegetation remains a challenge for all microwave remote sensing applications. To improve satellite and airborne microwave data products in forest environments, a precise and reliable
A. Mavrovic +13 more
doaj +1 more source
A Numerical Investigation of the Dispersion Law of Materials by Means of Multi-Length TDR Data
Remote Sensing, 2022 In this paper, we propose a method for retrieving the dispersion law of a material under test from multi-length TDR measurements in reflection mode, repeated at several frequencies.
Raffaele Persico +3 more
doaj +1 more source