In this paper, the liquidlevelmeasurement of sealed air-condition compressor is introduced and an ultrasonic testing system based on virtual instrument is developed.
文章介绍了对封闭式空调压缩机的液位测量，研发了基于虚拟仪器技术的超声波检测系统。
2
Ultrasonicliquidlevelmeasurement is a kind of traditional but having potential's methods.
超声波测量液位是一种传统的、同时又非常具有发展潜力的方法。
3
A method about acquisition and processing of ultrasonic echo signal in liquidlevelmeasurement is introduced.