There sults show that the measurement is affected by the installation of the transducer in the site and the operation of the memoryoscilloscope, but the influence is very little.
传感器的现场安装和存贮示波器的操作对测量有影响，但不影响测试结果的准确性。
2
This paper introduces definition, construction and principle, advantages and shortages of three historical periods: analogic oscilloscope, digital memory scope and digital fluorescence scope.