论文部分内容阅读
丹麦Bruel＆ Kjaer公司最新研制的9559型校准系统,用于校准电容传声器、活塞发声器和加速度传感器的各主要参数,本文介绍它的校准技术和误差计算,并简述该公司内部计量室关于传声器及加速度计的校准和设备状况.
The latest version of the 9559 calibration system developed by Bruel & Kjaer in Denmark is used to calibrate the main parameters of condenser microphones, piston sounders and accelerometers. This article describes its calibration techniques and error calculations. It also outlines the company’s in-house metering room for microphones and Accelerometer calibration and equipment status.