Research and development of labview based virtual oscillograph .
基于labview的虚拟示波器设计与开发。
Main outcome measures : waveshape was observed through the use of storage oscillograph and corresponding data were recorded . Frictional force was determined and compared .
主要观察指标：在存储示波器上观察波形并读取数据，测出各组摩擦力进行比较。
According to the result of experiment , two appropriate ways : oscillograph method and galvanometer method were advanced to adjust the converter feed , so that the quality of wire cut edm could be improved .
