矢量网络分析仪的基本原理Agilent AN 1287-1 Understanding the Fundamental Principles of Vector Network Analysis Application Note Table of Contents 2 2 4 5 5 6 9 11 12 Introduction Measurements in Communications Systems Importance of Vector Measurements The Basis of Incident and Reflected Power The Smith Chart Power Transfer Conditions Network Analysis Terminology Measuring Group Delay Network Characterization Introduction Network analysis is the process by which designers and manufacturers measure the electrical performance of the components and circuits used in more complex systems. When these systems are conveying signals with information content, we are most concerned with getting the signal from one point to another with maximum efficiency and minimum distortion. Vector network analysis is a method of accura……