Results 121 to 130 of about 10,029 (146)
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A Multi-FMCW Modulation Technique for the 3D Reconstruction of Reflectivity and Radial Velocity of the Automotive Scenario

30th European Microwave Conference, 2000, 2000
A microwave imaging radar for collision avoidance has to be able to acquire the 3D image also in the volume close to the car, i. e. in the near electromagnetic field. For this reason the imaging process can be performed only by microwave holography and the image reconstruction process takes place in the signal processing stage. In order to acquire also
openaire   +1 more source

A parallel coextrusion technique for simultaneous measurements of radial die swell and velocity profiles of a polymer melt in a capillary rheometer

Polymer Engineering & Science, 2004
Abstract This article proposes a new experimental technique to simultaneously measure radial die swell and velocity profiles of polystyrene melt flowing in the capillary die of a constant shear rate rheometer. The proposed technique was based on parallel coextrusion of colored melt‐layers into uncolored melt‐stream from the barrel ...
N.‐T. Intawong, N. Sombatsompop
openaire   +1 more source

On the detectability of quasi-circular co-orbital planets. Application to the radial velocity technique.

2015
Several celestial bodies in co-orbital configurations exist in the Solar System. However, co-orbital exoplanets are yet to be discovered. This lack may result from a degeneracy between the signal induced by coorbital planets and other orbital configurations.
Leleu, Adrien   +2 more
openaire   +1 more source

Quality Assessment Techniques Applied to Surface Radial Velocity Maps Obtained from High-Frequency Radars

Journal of Atmospheric and Oceanic Technology, 2015
AbstractThis paper presents examples of the data quality assessment of surface radial velocity maps obtained from shore-based single and multiple high-frequency radars (HFRs) using statistical and dynamical approaches in a hindcast mode. Since a single radial velocity map contains partial information regarding a true current field, archived radial ...
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Comparison of the radial profiles of particles velocity between invasive and non-invasive measurement techniques

Flow Measurement and Instrumentation, 2022
Haidar Taofeeq   +2 more
openaire   +1 more source

Gaia spectroscopic orbits validated with LAMOST and GALAH radial velocities

Monthly Notices of the Royal Astronomical Society, 2022
D Bashi, S Shahaf, T Mazeh
exaly  

Stellar signal components seen in HARPS and HARPS-N solar radial velocities

Astronomy and Astrophysics, 2023
K Al Moulla, X Dumusque, P Figueira
exaly  

YARARA V2: Reaching sub-m s−1 precision over a decade using PCA on line-by-line radial velocities

Astronomy and Astrophysics, 2023
M Cretignier, X Dumusque, S Aigrain
exaly  

A novel framework for semi-Bayesian radial velocities through template matching

Astronomy and Astrophysics, 2022
S G Sousa, Pedro T P Viana, S Cristiani
exaly  

Measuring precise radial velocities on individual spectral lines

Astronomy and Astrophysics, 2022
K Al Moulla, X Dumusque, M Cretignier
exaly  

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