This paper presents an all-digital close-loop operation based on DSP circuits, which uses the two-frequency serrodyne modulation to modulate and demodulate the optic route.

• 数字信号处理电路的谐振式光纤陀螺全数字闭环是采用双频率数字锯齿波相位调制技术对光路进行了相应的调制和解调。