Abstract:For wind tunnel test characteristic such as vibration sensor and measurement system, the system introduces a calibration frequency range across the high frequency of low frequency can meet the demand of wind vibration characteristics and testing of the calibration device, the power of the moving parts, solve the optimal design, the air gap magnetic circuit optimization design, precision guide design, power amplifier design of gas film, shaking table control of key technical problems such as low frequency distortion, The evaluation results of device performance test and calibration uncertainty are far higher than the relevant technical requirements, which effectively improves the measurement support ability of wind tunnel vibration measurement.