Laser gyro shaking stripping device
A technology of laser gyroscope and stripping, which is applied in the direction of Sagnac effect gyroscope, etc., can solve the problems such as difficult to meet the requirements and cannot be guaranteed, so as to improve the low-frequency and high-frequency response, improve the effect of jitter stripping, and improve the jitter stripping The effect of removing the effect
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[0033] Hereinafter, the present invention will be further described in detail with reference to specific embodiments and the drawings of the specification.
[0034] Such as figure 2 As shown, the laser gyro jitter stripping device of the present invention mainly includes a gyro readout circuit 1, a difference operation 2, a jitter pickup circuit 3, a difference operation 4, a digital delay / phase shifter 5, a jitter estimator 6, a sum operation 7, Band pass filter 8, LMS weight coefficient update algorithm 9, digital phase locked loop 10
[0035] The jitter pickup circuit 3 outputs the sinusoidal jitter reference signal α. One path of the jitter reference signal is sampled and differentiated as a reference signal for jitter stripping, and the other path is 4M multiplied by the digital phase-locked loop 10 to obtain a sampling clock synchronized with the jitter reference signal. , The sampling clock frequency is 4Mf d (M is an integer greater than or equal to 1, a preferred example...
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