三维形状投影光栅测量技术及其在船用柴油机设计中的应用

3-D Shape Measurement Technique by Projecting Grating and its Application in Design of Marine Diesel Engine

系统介绍了两种投影光栅三维形状测量技术的原理、方法、硬件和软件，并介绍了在船用柴油机设计中的应用。这些技术具有实用、非接触、全场显示、直观、实现容易及便于设计人员接受等一系列优点，是光学、计算机图象处理和CAD三种技术的有机结合。

Two projecting grating 3-D shape measuring methods are developed, which have advantage of easy practicing, non-contacting and getting whole fields information and easy to realize. Combined with digital-image processing and CAD techniques , these methods can be widely used.The priciple, method, hardware, software and applications in marine diesel engine are presented.