【摘要】 介绍了一种电子散斑测量仪（ＥＳＰＩ），对其测量原理、仪器结构进行了描述。分析了热加载测量机理，用热加载方式对铝蒙皮蜂窝结构复合航空材料脱粘缺陷进行了无损检测（ＮＤＴ），得到了满意的效果。更多还原

【Abstract】 An electronic speckle pattern interferometry(ESPI) measuring apparatus is presented.The principle of operation and the configuration of the apparatus are described.The mechanism of heat loading measurement is analyzed.By means of heat loading the off-stick defects of aluminum coated honeycomb structure for aeronautical composite are tested using this apparatus and satisfactory results are obtained更多还原