A wavelength demodulation algorithm in smart clothes for detecting human body temperature is proposed based on the
fiber Bragg grating (FBG) sensor interrogation technology. The driven voltage corresponding to peak wavelength of
reference spectrum can be calculated by the method of windowing to FBG reflected wave and weighted averaging to the
data. The characteristic conic of F-P filter is attained by the least square fitting. Experimental result shows that the
algorithm can solve the problem of low detecting precision due to the low resolution of scanning voltage. The correlative
linearity of temperature and driven voltage of F-P is 0.998, and a resolution of 0.2oC temperature can be obtained.
Access to the requested content is limited to institutions that have purchased or subscribe to SPIE eBooks.
You are receiving this notice because your organization may not have SPIE eBooks access.*
*Shibboleth/Open Athens users─please
sign in
to access your institution's subscriptions.
To obtain this item, you may purchase the complete book in print or electronic format on
SPIE.org.
INSTITUTIONAL Select your institution to access the SPIE Digital Library.
PERSONAL Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.