Laser self-mixing interference vibration measurement system and method based on ZYNQ

The invention relates to a laser self-mixing interference vibration measurement system and method based on ZYNQ. The system comprises a laser acquisition system, a data processing system and a display screen, the laser acquisition system comprises a laser, a measurement target, an electro-optical crystal, an optical attenuator and a photoelectric detector; the data processing system comprises a ZYNQ module and an AD module; laser emitted by the laser device hits a measurement target, laser reflected by the measurement target returns to the photoelectric detector through the electro-optical crystal and the optical attenuator, sinusoidal phase adjustment is carried out on the reflected laser through the electro-optical crystal, and the reflected laser returns to the photoelectric detector through the optical attenuator to generate a self-mixing interference signal. A ZYNQ module, an AD module and a display screen are used, so that the cost of data acquisition and processing is reduced, the portability of the me