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Auxiliary arbitrary waveform generator for fiber optic gyroscope

Journal: Scientific and Technical Journal of Information Technologies, Mechanics and Optics (Vol.22, No. 2)

Publication Date:

Authors : ;

Page : 302-307

Keywords : arbitrary waveform generator (AWG); Direct Digital Synthesizer (DDS); FPGA; fibre-optic gyroscope;

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Phase modulation of laser radiation using an auxiliary generator makes it possible to improve the accuracy characteristics of fiber-optic gyroscopes. The authors propose a method for generating a phase modulation signal implemented on the basis of a parallel architecture with the possibility of dynamically changing the signal parameters. A prototype of a compact embedded generator for generating signals with frequencies up to 2.5 GHz is presented. The generator is implemented on a field-programmable gate array, which ensured a compact design and made it possible to include it in the design of a fiber-optic gyroscope. The dynamic change of the generated signal is carried out using a personal computer using the developed specialized software that allows generating arbitrary waveforms. For the developed generator, the spectra of a sinusoidal signal and white noise are presented.

Last modified: 2022-04-28 17:55:11