Journal of Dalian Maritime University >
2016 , Vol. 42 >Issue 2: 96 - 101
DOI: https://doi.org/10.16411/j.cnki.issn1006-7736.2016.02.016
Metal particle magnetization and resistance pulse detection method in harmonic field
Received date: 2016-01-25
Revised date: 2016-03-28
Online published: 2016-03-01
In order to improve the sensitivity of the inductive metal particle detection chip, a resistance pulse based particle detection method was proposed. The theoretical analysis was given on the metal particle magnetization in harmonic field. Simultaneously, the experimental research on the resistance forward pulse was carried out with different particle size in different frequency at a constant flow of particles. Experimental results demonstrate that the signal to noise ratio on detecting non-ferromagnetic particles is improved by using resistance pulse, thereby the sensitivity on detecting non-ferromagnetic particles is further improved.
LIU Dong , ZHANG Hong-peng , ZHANG Xing-ming . Metal particle magnetization and resistance pulse detection method in harmonic field[J]. Journal of Dalian Maritime University, 2016 , 42(2) : 96 -101 . DOI: 10.16411/j.cnki.issn1006-7736.2016.02.016
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