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A frequency demodulator based on adaptive sampling frequency phase-locking scheme for large deviation FM signals

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A frequency demodulator based on adaptive sampling frequency phase-locking scheme for large deviation FM signals. / Vajpayee, Vineet; Sumathi, P.; George, Aby K.

In: Circuits, Systems, and Signal Processing, Vol. 38, No. 4, 15.04.2019, p. 1717-1735.

Research output: Contribution to journalArticlepeer-review

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Vajpayee, Vineet ; Sumathi, P. ; George, Aby K. / A frequency demodulator based on adaptive sampling frequency phase-locking scheme for large deviation FM signals. In: Circuits, Systems, and Signal Processing. 2019 ; Vol. 38, No. 4. pp. 1717-1735.

Bibtex

@article{8c5d196a6e3c4ca9986c6375727836a0,
title = "A frequency demodulator based on adaptive sampling frequency phase-locking scheme for large deviation FM signals",
abstract = "A frequency demodulation scheme based on adaptive sampling frequency phase-locking loop (PLL) is proposed for extracting large deviation message signal from sinusoidal frequency-modulated signals. The proposed scheme has been designed to track the frequency-modulated input signal using a look-up-table and adaptively changing the sampling period. While tracking the carrier signal, the numerically controlled oscillator involved in the PLL structure produces the sampling frequency according to the variation of input frequency. In the PLL, the message signal has been extracted at the output of proportional integral controller. Simulation results prove that the PLL exhibits quick acquisition behavior, wide operating range, negligible steady-state error. Experimental investigation validates the efficacy of the proposed PLL performance in message signal extraction.",
keywords = "Adaptive sampling period, Frequency demodulation, Large deviation FM, Look-up-table, Phase locked loop",
author = "Vineet Vajpayee and P. Sumathi and George, {Aby K.}",
year = "2019",
month = apr,
day = "15",
doi = "10.1007/s00034-018-0933-2",
language = "English",
volume = "38",
pages = "1717--1735",
journal = "Circuits, Systems, and Signal Processing",
issn = "0278-081X",
publisher = "Springer",
number = "4",

}

RIS

TY - JOUR

T1 - A frequency demodulator based on adaptive sampling frequency phase-locking scheme for large deviation FM signals

AU - Vajpayee, Vineet

AU - Sumathi, P.

AU - George, Aby K.

PY - 2019/4/15

Y1 - 2019/4/15

N2 - A frequency demodulation scheme based on adaptive sampling frequency phase-locking loop (PLL) is proposed for extracting large deviation message signal from sinusoidal frequency-modulated signals. The proposed scheme has been designed to track the frequency-modulated input signal using a look-up-table and adaptively changing the sampling period. While tracking the carrier signal, the numerically controlled oscillator involved in the PLL structure produces the sampling frequency according to the variation of input frequency. In the PLL, the message signal has been extracted at the output of proportional integral controller. Simulation results prove that the PLL exhibits quick acquisition behavior, wide operating range, negligible steady-state error. Experimental investigation validates the efficacy of the proposed PLL performance in message signal extraction.

AB - A frequency demodulation scheme based on adaptive sampling frequency phase-locking loop (PLL) is proposed for extracting large deviation message signal from sinusoidal frequency-modulated signals. The proposed scheme has been designed to track the frequency-modulated input signal using a look-up-table and adaptively changing the sampling period. While tracking the carrier signal, the numerically controlled oscillator involved in the PLL structure produces the sampling frequency according to the variation of input frequency. In the PLL, the message signal has been extracted at the output of proportional integral controller. Simulation results prove that the PLL exhibits quick acquisition behavior, wide operating range, negligible steady-state error. Experimental investigation validates the efficacy of the proposed PLL performance in message signal extraction.

KW - Adaptive sampling period

KW - Frequency demodulation

KW - Large deviation FM

KW - Look-up-table

KW - Phase locked loop

UR - http://www.scopus.com/inward/record.url?scp=85062966843&partnerID=8YFLogxK

U2 - 10.1007/s00034-018-0933-2

DO - 10.1007/s00034-018-0933-2

M3 - Article

AN - SCOPUS:85062966843

VL - 38

SP - 1717

EP - 1735

JO - Circuits, Systems, and Signal Processing

JF - Circuits, Systems, and Signal Processing

SN - 0278-081X

IS - 4

ER -

ID: 14637200