Results 1 to 10 of about 186 (97)
Autodyne Sensor Signals with Amplitude-Frequency Modulation of Radiation [PDF]
Sensors, 2020 A mathematical model of an autodyne oscillator with a combined amplitude-frequency modulation, which is under the influence of its own radiation reflected from the target, is developed.
Vladislav Noskov +4 more
doaj +8 more sources
Autodyne signal features of frequency-locked microwave oscillators [PDF]
ITM Web of Conferences, 2019 The research results on the autodyne signal formation in microwave oscillators, which are exposed under the impact of the proper reflected emission and, at the same time, of the external frequency-locked signal are presented.
Noskov Vladyslav Ya. +2 more
doaj +3 more sources
Dynamic features of autodyne signals [PDF]
Russian Physics Journal, 2013 On the example of classical single-circuit oscillator influenced by reflected signal, a solution of system of differential autodyne equations is obtained by the high-order quasi-static approximation method for the general case of arbitrary delay time of the reflected signal, fast motion of a point-sized reflecting object, and inertia of the oscillator ...
V Ya Noskov, Noskov V Ya, Ignatkov K A
exaly +5 more sources
Signals of Autodyne Sensors with Sinusoidal Frequency Modulation [PDF]
Radioengineering, 2017 Research results of signal formation features of the autodyne sensor (AS) with sinusoidal frequency modulation (FM) are presented. Expressions for low frequency information signals are given and their numerical analysis is performed for cases when signal
V. Ya. Noskov +5 more
doaj +6 more sources
Autodyne characteristics of stabilized UHF-oscillators at a strong reflected signal [PDF]
Технологія та конструювання в електронній апаратурі, 2011 Calculations and examinations of phase, amplitude, frequency and amplitude-frequency characteristics are fulfilled for the autodyne system stabilized by the external high-Q cavity as well as spectral characteristics under condition of exact and non-exact
V. Ya. Noskov +2 more
doaj +5 more sources
Nanodisplacement measurements by frequency-modulated laser autodyne [PDF]
Известия Саратовского университета. Новая серия: Физика, 2021 Background and Objectives: Measurements of nanodisplacements are relevant for various applications of self-mixing laser (autodyne), in particular when they are combined with microwave probe methods, which are sensitive not only to the profile, but also ...
Dobdin, Sergey Iur'evich +4 more
doaj +2 more sources
Radio Physics and Radio Astronomy, 2022 Subject and Purpose. In Part 1 of the paper, a mathematical model of an autodyne self-oscillator with frequency tuning by varactor capacitance varying is built and thoroughly analyzed for the features of signal formation in autodyne radar with a wide ...
G. P. Ermak +5 more
doaj +2 more sources
SIGNAL FORMATION AND PROCESSING FEATURES FROM AUTODYNE RADAR WITH A WIDE FREQUENCY MODULATION BAND Рart ІІ. Increasing the Resolution of Autodyne Radar by Quasi-Static Correction of the Probe Pulse [PDF]
Radio Physics and Radio Astronomy, 2022 Subject and Purpose. Proceeding from a mathematical model of the electronically tunable autodyne oscillator (Part І of this paper), essential features of the signal formation / signal processing procedure are considered, as implementable in an autodyne ...
G. P. Ermak +5 more
doaj +1 more source
Limiting capabilities of self-mixing interferometry upon sawtooth modulation of a semiconductor laser wavelength [PDF]
Компьютерная оптика, 2019 This paper discusses a self-mixing interferometry method for measuring distances upon sawtooth modulation of the wavelength of laser radiation. Conditions under which the distance obtained from the spectrum of the modeled autodyne signal coincides with ...
Dmitry A. Usanov +4 more
doaj +1 more source
Dynamic characteristics of frequency-locked autodynes [PDF]
ITM Web of Conferences, 2019 The results of research into the dynamic characteristics of microwave oscillators under the influence of both their own reflected radiation and external synchronising effect are presented.
Noskov Vladyslav Ya. +2 more
doaj +1 more source