无指向性声源指向性指数自动校准方法  

Automatic calibration method for thedirectivity index of omnidirectional soundsources

作　　者：杨易宁 邓峥[1] 安兆亮[1] 陈文王 Yang Yining;Deng Zheng;An Zhaoliang;Chen Wenwang(Shanghai Institute of Measurement and Testing Technology)

机构地区：[1]上海市计量测试技术研究院

出　　处：《上海计量测试》2023年第5期32-35,共4页Shanghai Measurement and Testing

摘　　要：通过引入激光定位的方法,提升了无指向性声源的指向性指数的校准准确度,同时设计了一套全自动无指向性声源校准方案,实现了在消声室中无指向性声源的快速校准。In this study,the method of laser positioning was introduced to improve the calibration accuracy of the directivity index of omnidirectional sound sources,and a set of automatic omnidirectional sound source calibration scheme was designed to realize the rapid calibration of omnidirectional sound sources in the anechoic room.

关 键 词：无指向性声源 指向性指数 激光定位 

分 类 号：TN912.2[电子电信—通信与信息系统]