Results 21 to 30 of about 186 (97)

NUCLEAR-MAGNETIC MINI-RELAXOMETER FOR LIQUID AND VISCOUS MEDIA CONTROL [PDF]

Научно-технический вестник информационных технологий, механики и оптики, 2015
The paper deals with a new method for registration of nuclear magnetic resonance signal of small volume liquid and viscous media being studied (0.5 ml) in a weak magnetic field (0.06 –0.08 T), and measuring of longitudinal T1 and transverse T2 relaxation
V. V. Davydov, E. N. Velichko, A. Y. Karseev   +2 more
doaj   +1 more source

Signals Features from Distributed Targets of Autodyne SRR with Simultaneous Pulse Amplitude and Linear Frequency Modulations

Vìsnik Nacìonalʹnogo Tehnìčnogo Unìversitetu Ukraïni Kììvsʹkij Polìtehnìčnij Ìnstitut: Serìâ Radìotehnìka, Radìoaparatobuduvannâ, 2017
A mathematical model for signals description of the autodyne short-range radar (ASRR) with the simultaneous pulse amplitude modulation (PAM) and the linear frequency modulation (FM) is considered.
V. Ya. Noskov, K. A. Ignatkov, A. P. Chupahin, A. S. Vasiliev, A. V. Fateev, S. M. Smolskiy   +5 more
doaj   +1 more source

Dynamics of autodyne response formation in microwave generators [PDF]

, 2013
The paper presents results of studying the dynamics of autodyne response formation when switching on a radio-pulse microwave generator which is subject to the influence of its own reflection radiation.
Ignatkov, K. A., Noskov, V. Ya.
core   +1 more source

Autodyne – a Multifunctional Element of Devices for the Formation and Processing of Radio Signals

Ural Radio Engineering Journal, 2020
The information about the history of invention and the development of autodyne topics related to the use of autodyne in devices for the formation and processing of radio signals is presented. This paper contains brief information about the English inventor of the autodyne H. Round, the inventor of the theremin L.S. Termene and others.
V. Ya. Noskov, R. G. Galeev, E. V. Bogatyrev   +2 more
openaire   +1 more source

Comparative study of autodyne and heterodyne laser interferometry for imaging

, 2010
International audienceFor given laser output power, object under investigation and photodiode noise level, we have theoretically compared the signal to noise ratio (SNR) of a heterodyne scanning imager based on a Michelson interferometer and of an ...
Lacot, Eric, Jacquin, Olivier, Grégoire Roussely, Guillet de Chatellus, Hugues, Olivier Jacquin, Eric Lacot, Olivier Hugon, Hugon, Olivier, Hugues Guillet de Chatellus, Roussely, Grégoire   +9 more
core   +1 more source

Dynamic autodyne features of microwave generators [PDF]

, 2012
The paper presnts the results of dynamic characteristics analysis of microwave oscillators under the influence of radiation reflected from moving objects.
Ignatkov, K. A., Noskov, V. Ya.
core  

Calculation of autodyne parameters with the rigid characteristic of the active element conductance [PDF]

, 2019
Поступила: 01.03.2019. Принята в печать: 20.03.2019.Received: 01.03.2019. Accepted: 20.03.2019.Выполнены расчеты выходных, сигнальных и флуктуационных параметров и характеристик, а также параметров быстродействия автодинного генератора, находящегося под ...
Чупахин, А. П., Ignatkov, K. A., Игнатков, К. А., Smolskiy, S. M., Chupahin, A. P., Смольский, С. М., Носков, В. Я., Noskov, V. Ya.   +7 more
core   +1 more source

The forming of autodyne signal in semiconductor laser with the movement of the external reflector

Izvestiya VUZ. Applied Nonlinear Dynamics, 1998
The results both of theoretical and experimental investigations of formation of autodyne signal in semiconductor laser with harmonic oscillations of external reflector are presented. The form of autodyne signal has been examined in the dependence on feedback level and change of phase.
Dmitrij Usanov, Anatolij Skripal, Mikhail Kalinkin   +2 more
openaire   +1 more source

Features of Signals from Distributed Targets of an Autodyne Pulse Radar with Linear Frequency Modulation

Ural Radio Engineering Journal, 2022
A mathematical model has been developed to describe the signals of an autodyne short-range radar system (SRRS) with simultaneous pulse modulation (PM) of amplitude and linear frequency modulation (LFM). The features of the formation of signals received from a distributed target in the form of an ensemble of an arbitrary number of point reflectors are ...
V.Ya. Noskov, E.V. Bogatyrev, R.G. Galeev, D.S. Vishnyakov   +3 more
openaire   +1 more source

Experimental comparison of autodyne and heterodyne laser interferometry using a Nd:YVO4 microchip laser

, 2011
International audienceUsing a Nd:YVO4 microchip laser with a relaxation frequency in the megahertz range, we have experimentally compared a heterodyne interferometer based on a Michelson configuration with an autodyne interferometer based on the laser ...
Jacquin, Olivier, Lacot, Eric, Glastre, Wilfried, Guillet de Chatellus, Hugues, Olivier Jacquin, Eric Lacot, Olivier Hugon, Hugon, Olivier, Hugues Guillet de Chatellus, Wilfried Glastre   +9 more
core   +1 more source