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This talk discusses implementation of a novel method to convert quadrature samples into samples of angular movement of a digital laser gyroscope. Data processing module of a digital laser gyroscope includes accumulation unit, system of linear equations solver unit, a unit to compute ellipse parameters and a unit restoring time series. Those units are implemented in Verilog hardware description language...
The paper focuses on a method of measuring the lock-in threshold in ring laser based on digital processing of RLG quadrature signals. Requirements on mechanical rotation providing acceptable measurement error are established. The method requires no precision rotating unit, excludes the human factor, is insensitive to equipment characteristics and easy to implement.
There have been experimentally investigated surfaces of substrates for laser gyro mirrors. Surface topographies of the substrates are registered by atomic force microscope. Some surface statistical parameters are analyzed as quantitative criteria of the substrate availability for laser gyro mirrors. Solitary asperities at the surface are characterized by coefficient of kurtosis.
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