Method for improving zero bias temperature sensitivity of optical fiber gyroscope
A temperature sensitivity, fiber optic gyroscope technology, applied in Sagnac effect gyroscopes and other directions, can solve the problems of high power consumption, unapplied, complex structure, etc., to eliminate the zero offset change and improve the temperature sensitivity performance.
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[0030] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:
[0031] Figure 1 shows the signal processing structure of the fiber optic gyroscope without a compensator, which includes three parts: sampling channel 1, central processing unit 2 and communication interface 3, where sampling channel 1 realizes the conversion of the optical signal from the optical fiber gyroscope optical system into The electrical signal is sent to the central processing unit 2, and the central processing unit 2 performs demodulation, filtering and other calculations after receiving the signal from the sampling channel 1 to obtain the speed of the system where the fiber optic gyroscope is located, and sends the speed to the communication interface 3, through Communication interface 3 is uploaded to the host computer.
[0032] Figure 2 shows the structure of the fiber optic gyroscope signal processing part after adding the compensator, which i...
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