1. Zheng Lingxiang . Embedded Linux system design [M]. Beijing : Beijing University of Aeronautics and Astronautics Press, (2008).
2. Liya Feng , Owen Sheng . ARM embedded Linux system development from entry to the master [M]. Beijing : Tsinghua University Press , (2007).
3. H. Snmatwer, Kkohl. Piezoresistibive low-pressure sensor with high sensitivity and highaccuracy[J]. Sensors and Actuators, 1990, (A21-23): 142-145.
4. Liu Junhua . intelligent sensor system [M]. Xi'an : Xidian University Press , (2004).
5. Creed Huddleston works . Monopolistic Competition and others translations . intelligent sensor design [M]. Beijing : People's press, (2009).