这个系统能向工程师指明哪里正在出现裂纹,因为传感器也记录裂纹噪音被 听到 的精确时刻。
As the sound ripples through the structure it arrives at different sensors at different times,which can be used to work out the location and severity of the crack.
因为声音呈波形在飞机构造中传播,它在不同的时间到达不同的传感器,这点能用来算出裂纹的位置和严重程度。
Once on the ground, a touch-screen device a bit like an iPad is plugged into the system andshows where any cracks are on a three-dimensional image of the aircraft.
一经在地面上把有点象iPad的触摸屏设备用插头插入系统中,它就会在飞机的三维图像上显示所有裂纹。
Asis will be tried out later this year by America s Defence Advanced Research ProjectsAgency.
Asis将由美国国防高级研究计划局在今年晚些时候进行试验。
A basic set-up to monitor the boom on a small helicopter starts at around $65,000, says Rob McDonald, Ultra Electronics marketing director.
超级电子公司的营销总监罗伯?麦克唐纳说,监测小型直升机嗡嗡声的基本设备起价大约6.5万美元。
As to the future, he expects the company will explore how Asis might also monitor carbon-composite materials, which are being used increasingly in new aircraft.
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