Results 61 to 70 of about 113,240 (161)

Study of frequency band in Von Karman excitation of Francis turbine

open access: yesJournal of Fluid Science and Technology
The objective of this study is to reveal the frequency characteristics caused by Von Karman excitation observed at the stationary field of a Francis turbine.
Takero MUKAI   +2 more
doaj   +1 more source

The task of detecting inconspicuous flying objects based on recording changes in the radiation characteristics of the Starlink satellite network

open access: yesВестник Самарского государственного технического университета. Серия: Технические науки
This work is devoted to the detection of inconspicuous flying objects (unmanned aerial vehicles) by ground-based means. The analysis of traditional methods of solving the problem under consideration, based on the use of active radar, is carried out.
Vladimir N. Vorozheikin   +1 more
doaj   +1 more source

Reversed Doppler effect based on hybridized acoustic Mie resonances. [PDF]

open access: yesSci Rep, 2020
Liu C, Long H, Zhou C, Cheng Y, Liu X.
europepmc   +1 more source

Gait Classification Based on Micro-Doppler Effect. [PDF]

open access: yesSensors (Basel)
Chen Y   +5 more
europepmc   +1 more source

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