Agilent的 频谱分析基础知识

Spectrum_BasicAgilent Spectrum Analysis Basics
Application Note 150

Contents
Chapter 1 Introduction ............................................................................3 What is a spectrum? ...................................................................3 Why measure spectra? ................................................................4 Chapter 2 The superheterodyne spectrum analyzer...............................6 Tuning equation...........................................................................8 Resolution ........................................................................................11 Analog filters ................................................................................11 Digital filters ......................................................................