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Study on space near-infrared exoplanet radial velocity detection technique based on spatial modulated Fourier transform spectrometer

Space Telescopes and Instrumentation 2022: Optical, Infrared, and Millimeter Wave, 2022
Jilin Liu, Qin Lin, Zhuoxi Huo
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Doppler radial velocity detection based on Doppler asymmetric spatial heterodyne spectroscopy technique for absorption lines*

Chinese Physics B, 2020
Doppler asymmetric spatial heterodyne spectroscopy (DASH) technique has developed rapidly in passive Doppler-shift measurements of atmospheric emission lines over the last decade. With the advantages of high phase shift sensitivity, compact, and rugged structure, DASH is proposed to be used for celestial autonomous navigation based on Doppler radial ...
Yin-Li Kuang, Liang Fang, Xiang Peng, Xin Cheng, Hui Zhang, En-Hai Liu   +5 more
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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
L. Giubbolini
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A Quasi-Traditional Spectroscopic Radial Velocity Technique Applied to the Rotation of Venus

Nature, 1965
Photoelectric spectroscopic radial velocity technique to measure Venus rotation with ...
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Lens mounting techniques for precise radial location of fragile lenses in the NGS2 and Veloce instruments

Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III, 2018
We present novel methods for mounting lenses in a pair of instruments that presented challenging optical and mechanical requirements. The first instrument is the replacement Natural Guide Star Sensor (NGS2) for CANOPUS at Gemini South, which incorporates an objective consisting of a stack of six lenses mounted in a common bore.
James Gilbert, Francis Bennet, Ian Price, François Rigaut, Céline d'Orgeville, Nicholas Herrald   +5 more
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Radial strain and strain rate by two-dimensional speckle tracking echocardiography and the tissue velocity based technique in the dog

Journal of Veterinary Cardiology, 2007
Two-dimensional (2D) speckle tracking echocardiography (STE) is a new angle-independent ultrasound technique based on tracking of speckles within the myocardium on 2D grayscale images. The aims of this prospective study were as follows: (1) to assess the variability of left ventricular peak systolic radial strain (St) and strain rate (SR) in awake dogs
Valérie, Chetboul, Francois, Serres, Vassiliki, Gouni, Renaud, Tissier, Jean-Louis, Pouchelon   +4 more
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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
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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, Abdelsalam Efhaima, Muthanna Al-Dahhan   +2 more
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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, Robutel, Philippe, Correia, Alexandre C. M.   +2 more
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Radial velocities in axisymmetric jets and plumes

, 2004
Chen Ying, M. J. Davidson, H.W. Wang, A. Law   +3 more
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