Ｇ—Ｍ型制冷机Ｐ—Ｖ图测量系统中国科学院低温技术实验中心刘景忠，刘军，张亮本文论述了低温制冷机Ｐ—Ｖ图测量系统的组成及测试方法，介绍了该测量装置和数据采集处理系统的结构及工作特点。它是以ＰＣ机作为控制和处理的核心，把制冷机的冷、热腔动态压力及活塞位移... G-M refrigerator P-V measurement system Cryogenic Technology Experiment Center, Chinese Academy of Sciences Liu Jingzhong, Liu Jun, Zhang Liang This paper discusses the composition and test method of P-V measurement system of cryogenic refrigerator, introduces the measurement device and data Acquisition and processing system structure and working characteristics. It is based on PC as the core of control and processing, the refrigerator cold, hot cavity dynamic pressure and piston displacement ...