A system and method for improving temperature stability of silicon microgyroscope scale factor
A scale factor, silicon micro-gyroscope technology, used in instruments, measuring devices, steering sensing equipment and other directions, can solve problems such as increasing processing difficulty and cost, interfering with gyroscope signal detection accuracy, limiting working bandwidth, etc., to reduce processing difficulty. and manufacturing cost, the effect of improving accuracy and stability, and improving temperature stability
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[0030] The technical scheme of the present invention will be further introduced below in conjunction with the accompanying drawings.
[0031] Such as figure 1 , the system for improving the temperature stability of the silicon micro-gyroscope scale factor of the present invention includes: a gyroscope drive closed-loop loop 100 , a gyroscope detection closed-loop loop 200 , and a gyroscope scale factor temperature compensation module 300 .
[0032]Wherein, the gyroscope driving closed-loop loop 100 includes a driving mode detection electrode 101, a driving mode driving electrode 102, a driving mode C / V conversion circuit 103, a driving mode amplification circuit 104, a driving mode A / D conversion circuit 105, Driving mode D / A conversion circuit 106, phase demodulation module 107, amplitude demodulation module 108, phase locked loop 109, automatic gain controller 110, direct digital frequency synthesizer 111 and the first multiplier. Drive Mode The drive electrode 102 is confi...
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