1. Wang Jing-hua, Research on Outlier's Distinguishing and Rejecting Based on Matlab, ICIECS2009. vol. III, pp.2181-2184, Dec, (2009).
2. Lu Sheng-li, Soft-sensing of Farmland Water Potential for Precision Irrigation, Journal of Tianjin University of Technology and Education, Tianjin, Vol. 17, No. 4, pp.1-4, Dec. (2007).
3. Hu Chang-hua, System Analysis and Design Based on Matlab—Wavelet Analysis ", Xi'an University of Electronic Science and Technology Press, Xi, an, (1999).
4. Alan V. oppenheim, Signals & Systems", Xi'an Jiaotong University Press, Xi, an, (2007).