河床模型地形的无接触快速测量技术

Non-Contact Quick Measurement Technology for River-Bed Topography

摘要: 针对河床模型地形测量的需要，介绍了两种无接触快速地形测量技术，即利用超声波实现水下地形无接触快速扫描测量和利用激光与CCD光学成像原理实现水上地形的无接触快速测量，并介绍了测量系统的组成、工作原理及有关主要技术问题的解决方法。

Abstract: Two methods of non-contact quick scan measuring river-bed topography were introduced. The topography under water was measured by the theory of ultrasonic echo wave and the topography upon water was measured by the theory of laser and CCD imaging. The testing system, the main problems in the test and the ways of solving them were presented.