1. Cao Zhaoqi. Design of Data Acquisition Module of Energy metering Chip [D]. Xi 'an University of Science and Technology 2020.
2. Method of Reactive Power Measurement with Watt-Hour Meter [J];Moulin;Electrical Measurement and Instrumentation
3. Liu Guiying, Su Shiping.Reactive Energy Measurement Theory and Its Development [J]. China Test Technology,2006(02):11-14+21.
4. Steiglitz, Kenneth. A Digital Signal Processing Primer: With Applications to Digital Audio and Computer Music. Chapter 12, Mineola, New York, Dover Publications, Inc, 2020.
5. The predictability of certain optimum finite-impulse-response digital filters