Subsection-filtering method applied in optoelectronic signal processing of the liquid drop analyzer

Jia-yong Huang; Qing Song; Di Wu; Jing Liu; Chun-song Zhang

doi:10.1117/12.870458

21 July 2010 Subsection-filtering method applied in optoelectronic signal processing of the liquid drop analyzer

Jia-yong Huang, Qing Song, Di Wu, Jing Liu, Chun-song Zhang

Proceedings Volume 7749, 2010 International Conference on Display and Photonics; 77490K (2010) https://doi.org/10.1117/12.870458
Event: 2010 International Conference on Display and Photonics, 2010, Nanjing, China

Abstract

Liquid drop fingerprint can be obtained through fiber-capacitive drop analysis technology as the fiber signal changes with the drop volume which can be represented by the capacitive signal during the drop growth. However, if the fiber or capacitive signals are filtered by the normal low-pass filter method, the fingerprint would be distorted because of the capacitive signal's saw-tooth style and fiber signal's periodically abrupt property. In the paper the subsection-filtering method is explored and analyzed, in which firstly separates the signals according to drop growth period and then filters every subsection respectively. Experiments improves that it is an effective way to solve the signal distortion problem, which usually happens when filters the fiber or capacitive signal during the signal mutation period.

Citation Download Citation

Jia-yong Huang, Qing Song, Di Wu, Jing Liu, and Chun-song Zhang "Subsection-filtering method applied in optoelectronic signal processing of the liquid drop analyzer", Proc. SPIE 7749, 2010 International Conference on Display and Photonics, 77490K (21 July 2010); https://doi.org/10.1117/12.870458

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

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.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available