实验室用超声地形测量仪

Development of ultra-acoustic topographic surveying meter for use in laboratory

滩海工程模拟对地形测量的速度和精度要求很高。目前国内测量地形的仪器速度太慢 ,不能满足要求。实验室用超声地形测量仪 (以下简称地形仪 )可以在实验室大水池内快速、精确测量冲刷地形 ,测量精度达到± 2 mm,能在 1.2 m/ s的运动速度下以每厘米一个测点的密度进行测量。能绘出水下地形的三维立体图和二维等高线图 ,是目前国内水工实验室内独有的测量仪器。

The model experiment for shallow sea requires scour topography to be measured accurately and rapidly. As the available topographic surveying meters are slow in action, they can not meet the requirements. Our ultra-acoustic topographic surveying meter developed for use in laboratary is capable of measuring the scour topography at a running velocity of 1 2m/s and a sampling density of one sample per centimetre with precision of less than±2mm. Key words: scour, ultra-acoustic topography surveying meter; rapid; precisionopographic surveying meter for use in laboratory$$$$ WANG Zhen xian 1, JIN Huan yang 2[KH4D][WT5”BZ](1.First Institute of Oceanography SOA, Qingdao 266003, China; 2.Electronics Department of Beijing University, Beijing 100871, China)[KH12D][WT5”HZ]Abstract:[WT5”BZ]The model experiment for shallow sea requires scour topography to be measured accurately and rapidly. As the available topographic surveying meters are slow in action, they can not meet the requirements. Our ultra acoustic topographic surveying meter developed for use in laboratary is capable of measuring the scour topography at a running velocity of 1 2m/s and a sampling density of one sample per centimetre with precision of less than±2mm.