matlab画史密斯圆图，通过整张图即可很方便的找到特性阻抗，算出驻波比,smithchart for matlab

MATLAB官方制作的精细的史密斯圆图 (1) plotsmithchart.m Usage: (1) plotsmithchart(Zl,Zo) Where Zl is the Load Impedence (possibly complex) and Zo is the Characteristic Line Impedence. Plots a smith chart, along with the reflection coefficient circle