Keywords
phase shift
the interference
frequency synthesizer
the numerical simulation лазер
фазовый сдвиг
помеха
синтезатор частоты
численное моделирование
How to Cite
Abstract
The study tested an algorithm for measuring the phase shifts in the phase laser rangefinder systems, allowing to reduce significantly random measurement error caused by influence of flicker noise without automatic calibration. In this case the influence of broadband noise is reduced by averaging multiple samples of values a sine and cosine signal components used to estimate the phase shift that is proportional to the measured distance. The proposed measurement algorithm makes possible the introduction of one of the stages of the instrument in measuring and reference channels of phase measuring device additional phase shift, the value of which depends on the measured distance. Investigators evaluated the random error of measurement distance by numerical simulations. Data obtained in the process of simulation allow to choose the parameters of conversion processes in the phase diagram of the laser range finder, depending on the required speed and accuracy of the distance measurement. References 10, table 2, figure 2.
References
Braginets I.A., Kononenko A.G., Masjurenko Yu.A., Nizhenskyi A.D. Laser meter of low frequency vibrations //Tekhnichna Elektrodynamika. – 2006. – № 5. – Pp. 74–76. (Rus)
Braginets I.A., Zaitsev E.A. Laser phase sensors of vibration and displacement in the frequency range from 15 to 1000 Hz // Tekhnichna elektrodynamika. Tematychnyi vypusk "Problemy suchasnoi elektrotekhniky". – 2010. – Vol. 2. – Pp. 186–191. (Rus)
Braginets I.A., Zaitsev E.A., Kononenko A.G., Masjurenko Yu.A., Nizhenskyi A.D. The Phase Laser Measurer of Vibration Pa rameters with an Extended Frequency Range// Tekhnichna Elektrodynamika. – 2013. – № 1. – Pp. 82–86. (Rus)
Denisenko V.V. Increasing the accuracy by repeated measurements // Sovremennye tekhnologii avtomatizatsii. – 2010. – № 1. – Vol. 2. – Pp. 98–102. (Rus)
Zaitsev E.A., Kononenko A.G., Masjurenko Yu.A., Nizhenskyi A.D., Latenko V.I., Ornatskyi I.A. Specific errors of phase frequency laser distance meters // Tekhnichna Elektrodynamika. – 2009. – № 3. – Pp. 50–54. (Rus)
Kononenko A.G., Kromplias B.A., Masjurenko Yu.A., Nizhenskyi A.D., Ornatskyi I.A., Sidorchuk V.E. High-precision phase laser distance meter to the diffusely reflecting surfaces // Tekhnichna Elektrodynamika. – 1999. – № 3. – Pp. 66–70. (Rus)
Malakhov A.N. Fluctuations in self-oscillatory systems. – Moskva: Nauka, 1968. – 660 p. (Rus)
Ornatskyi P.P. Theoretical foundations of information and measurement technique. – Kyiv: Vyshcha shkola, 1976. – 432 p. (Rus)
Filipskyi Yu.K. Random processes in radio circuits. – Kyiv: Vyshcha shkola, 1978. – 112 p. (Rus)
AD9852 300 MHz Complete DDS synthesizer Reference Manual [Electronic resource]. – Mode of access: http://www.analog.com/ru/rfif-components/direct-digital-synthesis-dds/ad9852/products/product.html – Data of access: 01.12.11. – Title from the screen.
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright (c) 2023 Array