sound detector

the sound insulation property of aluminum foam(al-foam) with composite structure was studied using a self-made equipment and sound detector.

采用自制的试验装置对泡沫铝与实体铝复合结构的隔声性能作了研究。

Portable Infrared thermal detector has inside LD red introductive light and can make a sound when aiming at an object. The minimum measured diameter is 2.5 mm at the distance of about 25 mm.

便携式红外辐射监测仪内置LD红光指示和对准音提示，在距离红外透镜25mm处最小物面孔径为2.5mm。

The topics are designed spherical detector equipped with a variety of sound internal sensors and accelerometers, and magnetometers and other sensors combined with the signal acquisition and storage, obtained by the solver leak location information.

本课题所设计的球形检测器，内部搭载声音传感器和加速度计以及磁力计等多种传感器，进行信号的采集和存储，通过解算得出泄漏位置信息。