• Sampling thiab tso zis voltage, tso zis tam sim no, tso zis zaus,
Phase Angel, ua haujlwm kub,
khiav lub sij hawm, thiab ceeb toom txhaum.
• Tsis siv neeg tshawb nrhiav lub resonant point thaum pib.
• Lub sij hawm teb ceev ceev rau xaiv qhov voltage thiab zaus.