中文说明：
资源描述 1、实时显示史密斯圆图以及归一化阻抗值（显示电阻圆和电抗圆） 2、实时显示导纳圆图和归一化导纳值（显示电导圆和电纳圆） 3、实现驻波系数、 反射系数模和幅角的可视化计算 4、实现传输线输入阻抗的可视化计算 5、实现并联单支节匹配长度和支节位置的计算 6、实现并联双支节匹配长度的计算
English Description：
Application background1, real-time display of the Smith chart and the normalized impedance values (display resistance and reactance circle)2, real-time display of the admittance circle diagram and the normalized admittance (conductance and susceptance display circle)3, realize the visualization of standing wave coefficient, reflection coefficient and angle calculation model4, to achieve the transmission line of the input impedance of the visual calculation5, realize the parallel single branch section matching length and the calculation of the branch node position6. The calculation of the length of parallel double support section