DFT算法很简单实用的小程序 包括功率计算，阻抗计算，容抗计算-Electrical calculation tool used: including the power calculation, impedance calculations, capacitance calculation, calculate the inductance by inductive and so demand

PCB特性阻抗计算工具软件TXLine2003-TXLine 2003

介绍如何使用SI9000进行阻抗计算。这种可以方便在画PCB的时候对走线加以指导。(Describes how to perform impedance calculations using the SI9000. This makes it easy to guide the line while painting the PCB.)