用MATLAB语言编写了数字信号平均实验的模拟程序，该模拟方法简单，实验结果可靠。
The simulation program of digital signal average experiment has been written with MATLAB, It is simple and the result of the experiment is reliable.
本文就主要介绍了数字信号处理技术中的插值算法、FFT算法、以及平均和平滑算法在数字示波器中的应用。
This disseration introduces the application of interpolation algorithm, averaging signals and FFT algorithm to digital oscillograph.
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