Noise spectrum analysis and signal-to-noise ratio optimization method for fiber-optic gyroscope
A technology of fiber optic gyroscope and optimization method, which is applied in the direction of Sagnac effect gyroscope, etc., and can solve problems that need to be optimized
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[0067] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0068] According to an embodiment of the present invention, a noise spectrum analysis and signal-to-noise ratio optimization method of a fiber optic gyroscope specifically includes the following steps:
[0069] The first step is to use sine wave modulation technology to demodulate to obtain the closed-loop error of the closed-loop fiber optic gyroscope system; specifically includes:
[0070] The sinusoidal modulation is designed to suppress the 1 / f...
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