【摘要】 研制开发基于数字信号处理技术的超声地形仪,可以在地形复杂、外界干扰信号较大的条件下快速测量水下地形,为河工模型试验的冲淤过程监测提供了良好的技术支持。更多还原

【Abstract】 The ultrasonic topographic surveying meter base on DSP technique, which can work efGciendy in complicated working conditions, was developed. This offers an excellent instrument while monitoring the scour and silting process of river model test.更多还原