http://reply.papertrans.cn/2/101/10086/10086-31.png
http://reply.papertrans.cn/2/101/10086/10086-32.png
Submitted on: 16 August 2007.
Revised on: 09 November 2007.
Accepted on: 08 December 2007.
___________________Foundations and Trends in Signal Processing
Submitted on: 17 December 2011.
Revised on: 18 March 2012.
Accepted on: 19 April 2012.
___________________Foundations and Trends in Signal Processing
Submitted on: 02 June 2011.
Revised on: 27 June 2011.
Accepted on: 14 August 2011.
___________________Foundations and Trends in Signal Processing
http://reply.papertrans.cn/2/101/10086/10086-36.png