Signal Processing Circuit Design and Application for Infrared Optical System Based on FPGA

Xiao Dong Cai; Zhi Gang Liu

doi:10.4028/www.scientific.net/AMM.347-350.1328

Paper Titles

S-Transform-Based Classification of Converter Faults in HVDC System by Support Vector Machines
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Parameter Optimization of PI Controllers in Emergency Power Support
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An Integral Method to Improve PLL Performance under Unbalanced Electric Grid Conditions
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Design of Dynamic Binary Circuits Based on Floating-Gate Technology
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Signal Processing Circuit Design and Application for Infrared Optical System Based on FPGA
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Harmonic Transfer between Voltage Levels in AC Systems
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Simulation Modeling for HVDC on Improving the Stability of Weak AC System
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Harmonic Instability at Sending End of the Exceedingly Weak HVDC System
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A Comparative Study of Ultra-Long Distance Transmission Technology
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 347-350Signal Processing Circuit Design and Application...

Signal Processing Circuit Design and Application for Infrared Optical System Based on FPGA

Abstract:

The signal processing circuit based on FPGA was proposed in the paper, carrying out the function such as programmable signal amplification, adaptive filtering and so on. Among them, the programmable amplifier module was achieved with the programmable gain amplifier in series; Adaptive filter module was implemented with the Butterworth second-order active filter, to change the cutoff frequency of the filter by changing the potentiometer resistance. Experimental results show that the signal processing circuit was applied in the infrared optical system improving the signal to noise ratio of the image effectively.

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Periodical:

Applied Mechanics and Materials (Volumes 347-350)

Pages:

1328-1332

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.347-350.1328

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Online since:

August 2013

Authors:

Xiao Dong Cai, Zhi Gang Liu

Keywords:

Adaptive Filter, Field-Programmable Gate Array (FPGA), Programmable Gain Amplifier, SNR

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