Optimized design of a band-pass filter with low frequency and narrow bandwidth

Biao Tian; Guo-hong Fu; Xiu-ying Liao; Hui Cheng; Guang Li

doi:10.1117/12.2035867

10 October 2013 Optimized design of a band-pass filter with low frequency and narrow bandwidth

Biao Tian, Guo-hong Fu, Xiu-ying Liao, Hui Cheng, Guang Li

Proceedings Volume 8916, Sixth International Symposium on Precision Mechanical Measurements; 89162D (2013) https://doi.org/10.1117/12.2035867
Event: Sixth International Symposium on Precision Mechanical Measurements, 2013, Guiyang, China

Abstract

An underwater metal pipeline detector is designed based on the principle of artificial source electromagnetic detection, which is used for detecting the deeply buried in underwater metal pipes. Narrowband band-pass filter in the receiver can well separate the specific frequency signal from mixed signal which is containing strong noise. Authors deduced the narrowband filter transfer function and simulated in computer, and the detector was applied in instrument prototype. Experiment results show that the error of the center frequency of the band-pass filter is small, and the gain is stable. In conclusion the detector has good performance.

Citation Download Citation

Biao Tian, Guo-hong Fu, Xiu-ying Liao, Hui Cheng, and Guang Li "Optimized design of a band-pass filter with low frequency and narrow bandwidth", Proc. SPIE 8916, Sixth International Symposium on Precision Mechanical Measurements, 89162D (10 October 2013); https://doi.org/10.1117/12.2035867

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