NDLI: FIRE: A Fundamental Identification and Replacement Method for Accurate Spectral Test Without Requiring Coherency

Content Provider	IEEE Xplore Digital Library
Author	Sudani, S.K. Degang Chen
Copyright Year	1963
Abstract	Achieving coherent sampling is one of the major bottlenecks to perform ADC spectral test, especially when high-precision instruments or high-performance frequency synthesizes are not readily available. If coherent sampling is not achieved, there could be huge leakage in the spectrum, which might lead to inaccurate test results. In this paper, a new fundamental identification and replacement method is presented that can completely eliminate the need for coherent sampling in spectral testing. A two-step fundamental identification method is used to very accurately estimate the noncoherent fundamental. Extensive simulation results show the functionality and robustness of the method. Measurement results obtained in industry labs using commercially available high resolution ADCs successfully validate the proposed method for both accuracy and robustness.
Sponsorship	IEEE Instrumentation and Measurement Society Bureau international des poids et mesures IEEE International Bureau of Weights and Measures (BIPM) URSI NBS Agency Ind. Sci. & Technol., Min. Int. Trade & Ind. Sci. Council Japan International Union of Pure and Applied Physics (IUPAP) NIST NRCC National Conference of Standards Laboratories (NCSL) Allen Osborne Associates Andeen-Hagerling, Inc. Ballantine Lab. Inc. Clarke-Hess Communications Research Corp. Fluke Corporation Guildline Instruments Hewlett-Packard Co. Julie Res. Lab. Inc. Keithley Instruments, Inc. Measurements International Ltd. Canada QuadTech Inc. Quantum Design Inc. Rotek Instrum. Corp. Tegam Inc. Tektronix Inc
Starting Page	3015
Ending Page	3025
Page Count	11
File Size	925004
File Format	PDF
ISSN	00189456
Volume Number	62
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Discrete Fourier transforms Testing Harmonic analysis Fires Robustness Signal to noise ratio spectral test ADC test DFT fundamental identification Newton method noncoherent sampling
Content Type	Text
Resource Type	Article
Subject	Instrumentation Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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