Results 41 to 50 of about 1,922,963 (250)
All-Optical Pulsed Signal Doppler Frequency Shift Measurement System
IEEE Photonics Journal, 2021 A simple and all-optical Doppler frequency shift (DFS) measurement system is presented. It is based on a dual-drive Mach Zehnder modulator (DDMZM) driven by a transmitted signal and an echo signal received by an antenna.
Chongjia Huang, Erwin H. W. Chan
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Efficient sympathetic motional ground-state cooling of a molecular ion [PDF]
, 2015 Cold molecular ions are promising candidates in various fields ranging from precision spectroscopy and test of fundamental physics to ultra-cold chemistry.
Gebert, Florian +3 more
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Single-color two-photon spectroscopy of Rydberg states in electric fields [PDF]
, 2014 Rydberg states of atomic helium with principal quantum numbers ranging from n=20 to n=100 have been prepared by non-resonance-enhanced single-color two-photon excitation from the metastable 2 {^3}S{_1} state.
Cassidy, D. B. +2 more
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Медицинский вестник Юга России, 2013 Purpose: To study the dynamics of production and reception of angiogenic growth factors (epidermal growth factor (EGF), traPurpose: To study the correlation relationships between the parameters of cerebral blood flow measured by Doppler and the ...
V. V. Estrin +2 more
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Archives of Acoustics, 2015 The usefulness of pulsed Doppler echocardiography for verifying the function of implanted Bjork-Shiley tilting disc valve prosthesis was checked experimentally in vitro. The valve was built into a physical model of central blood circulation.
Antonín GROŠPIC +3 more
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Annals of Pediatric Cardiology, 2019 Two-dimensional (2D) echocardiogram with the aid of color Doppler and pulsed Doppler allows one to record blood flow waveforms in several structures of the heart.
Luciane Alves Rocha +3 more
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High-precision laser spectroscopy of the CO A$^1\Pi$ - X$^1\Sigma^+$ (2,0), (3,0) and (4,0) bands
, 2015 High-precision two-photon Doppler-free frequency measurements have been performed on the CO A$^1\Pi$ - X$^1\Sigma^+$ fourth-positive system (2,0), (3,0), and (4,0) bands.
Niu, M. L. +3 more
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Observations of Wind Profile of Marine Atmosphere Boundary Layer by Shipborne Coherent Doppler Lidar
EPJ Web of Conferences, 2016 Pulsed Coherent Doppler Lidar (CDL) system is so good as to prove the feasibility of the marine atmosphere boundary layer detection. A ship-mounted Coherent Doppler lidar was used to measure the wind profile and vertical velocity in the boundary layer ...
Wu Songhua +6 more
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Intrapericardial Doppler Flow Signals in a Patient with Postsurgical Pericardial Effusion
Journal of Medical Ultrasound, 2017 A 62-year-old female patient was admitted to our hospital because of a relapse of pericardial effusion complicating a recent aortic root replacement. At admission to our hospital, echocardiogram showed the reappearance of pericardial effusion and the ...
Luigi Mancuso +4 more
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Filariasis diagnosed by real-time ultrasound scanning as filarial dance sign – A case report
IDCases, 2022 Introduction: Lymphatic filariasis (LF) is a vector-borne illness caused due to Wuchereria bancrofti. Genital abnormalities may result from chronic inflammation of the lymphatic vessels and obstruction of the afferent vessels in Bancroftian filariasis ...
Shekhar Gurung +5 more
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