激光定位设备在大尺寸自由声场进行传声器比较法校准的应用

邓峥, 杨易宁, 陈文王, 周子炜, 安兆亮, 王旭

Application of laser positioning equipment for calibration of working standard microphone using comparison method in large size free⁃field space

Zheng Deng, Yining Yang, Wenwang Chen, Ziwei Zhou, Zhaoliang An, Xu Wang

图6 (a)声学用头和躯干模拟器校准值的标准偏差；(b)声学用头和躯干模拟器校准值的扩展不确定度

Fig.6 (a) The standard deviation of the head and torso simulator used in acoustical measurement calibration value，(b) the expanded uncertainty of the head and torso simulator used in acoustical measurement calibration value