1[1]Morelli M, Menggali U. A comparison of pilot - aided channel estimation methods for OFDM systems. IEEE Tansactons on Signal Processing,DECEMBER 2001; 49 (12): 3065 ～ 3073
2[2]Hsieh Meng - Han, Wei Che - Ho. Channel estimation for OFDM systems based on comb -type pilot arrangement in frequency selective fading channels. IEEE Transactions on Consumer Electroncics,FEBRUARY 1998, 44 ( 1 ): 217 ～ 225
3[3]Zhao Yuping , Huang Aiping. A novel channel estimation method for OFDM mobile communication systems based on pilot signals and transform - domain processing. Vehicular Technology Conference,1997, IEEE 47th, Volume: 3, 1997:2089～2093
4Math H, Pollen J. Understanding Power Quality Problems,Voltage Sags and Interruptions. New York:IEEE Press, 2000.
5刘连光,于晗,肖湘宁,等(Liu Lianguang, Yu Han, XiaoXiangning,et al). 分布式电能质量在线监测系统的设计与实现(Design and Implementation of Online Monitoring System for Power Quality). (Electric Power Automation Equipment), 2002,22 (1) : 46~ 48.
6杨福生（Yang Fusheng）.小波变换的工程分析与应用(Engineering Analyses and Application of Wavelet Transform). 北京:科学出版社(Beijing:Science Press) ,2000.
