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PGC modulation based on PZT for fiber interferometeric sensor

Desheng Chen, Xiaodi Huang, Haibin Wang, Lei Jiang

Open publisher page 3 citations

Abstract

The phase generated carrier (PGC) modulation-demodulation technique is the main demodulation technique for fiber interferometric sensors. There are two methods to realize PGC modulation. One method is inner modulation, and the other is external modulation. However, there is less study on the PGC external modulation than the PGC inner modulation. In this paper, we focus on the PGC external modulation to analyze its characteristics. The experiment results indicate that the external demodulation performs well. Furthermore, its cost is much lower than that of inner modulation.

About this research paper

What this paper is about

The phase generated carrier (PGC) modulation-demodulation technique is the main demodulation technique for fiber interferometric sensors. There are two methods to realize PGC modulation. One method is inner modulation, and the other is external modulation. However, there is less study on the PGC external modulation than the PGC inner modulation. In this paper, we focus on the PGC external modulation to analyze its characteristics. The experiment results indicate that the external demodulation performs well. Furthermore, its cost is much lower than that of inner modulation.

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OpenAlex reports 3 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Method / approach

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Available abstract

The phase generated carrier (PGC) modulation-demodulation technique is the main demodulation technique for fiber interferometric sensors. There are two methods to realize PGC modulation. One method is inner modulation, and the other is external modulation. However, there is less study on the PGC external modulation than the PGC inner modulation. In this paper, we focus on the PGC external modulation to analyze its characteristics. The experiment results indicate that the external demodulation performs well. Furthermore, its cost is much lower than that of inner modulation.

Key concepts: Demodulation, Modulation (music), Phase modulation, Frequency modulation, Amplitude modulation, Analog transmission, Delta modulation, Interferometry

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