In this paper, a real time power spectrumanalyzer of low frequency random signal based on digital filters is introduced, and a design method of real time arithmetic is given.
文中介绍了基于数字滤波的低频随机信号实时功率谱分析仪的实现方法,并给出了实时算法的设计要点。
2
Combined with the features of virtual instrument, the scheme realizing virtual RF spectrumanalyzer 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。
3
The design method is simple and feasible, which can be used as low-cost data acquisition module, or a little improvement as a simple digital oscilloscope or spectrumanalyzer equipment.