**Suggested reading**

[1] Wang Baohua. Biomedical measurement and instrument [M]. China Fudan press, shanghai, January, 2009.

[2] Yang Yuxing. Biomedical sensor and measurement technology [M]. Beijing Chemical industry press, Beijing, 2005.

[3] John Enderle, Joseph Bronzino. Introduction to Biomedical Engineering [M]. Elsevier press, 2012.
