linear radio-frequency mass-spectrometer

Combined with the features of virtual instrument, the scheme realizing virtual RF spectrum analyzer is presented and realized in this paper, and digital intermediate frequency method is emphasized.

结合虚拟仪器的特点 ,提出并实现了一种虚拟射频频谱仪的方案 ,着重介绍了其中的中频数字化实现方法。