A multichannel phase-sensitive detection method using orthogonal square waveforms

G. E. Harrison; M. A. Player; P. G.H. Sandars

doi:10.1088/0022-3735/4/10/010

A multichannel phase-sensitive detection method using orthogonal square waveforms

G. E. Harrison^*, M. A. Player, P. G.H. Sandars

^*Corresponding author for this work

Engineering

University of Oxford

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

A system has been developed for the analysis of signals that vary in a linear manner with several parameters. The method allows simultaneous extraction of those parts of the signal which vary as each modulation parameter, and also any parts which depend on chosen products of the modulation parameters. The method has been used to measure small shifts of resonance frequency in molecular beam experiments, when a sensitivity approaching the limit set by shot noise has been achieved.

Original language	English
Pages (from-to)	750-754
Number of pages	5
Journal	Journal of Physics E: Scientific Instruments
Volume	4
Issue number	10
DOIs	https://doi.org/10.1088/0022-3735/4/10/010
Publication status	Published - Oct 1971

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title = "A multichannel phase-sensitive detection method using orthogonal square waveforms",

abstract = "A system has been developed for the analysis of signals that vary in a linear manner with several parameters. The method allows simultaneous extraction of those parts of the signal which vary as each modulation parameter, and also any parts which depend on chosen products of the modulation parameters. The method has been used to measure small shifts of resonance frequency in molecular beam experiments, when a sensitivity approaching the limit set by shot noise has been achieved.",

author = "Harrison, {G. E.} and Player, {M. A.} and Sandars, {P. G.H.}",

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N2 - A system has been developed for the analysis of signals that vary in a linear manner with several parameters. The method allows simultaneous extraction of those parts of the signal which vary as each modulation parameter, and also any parts which depend on chosen products of the modulation parameters. The method has been used to measure small shifts of resonance frequency in molecular beam experiments, when a sensitivity approaching the limit set by shot noise has been achieved.

AB - A system has been developed for the analysis of signals that vary in a linear manner with several parameters. The method allows simultaneous extraction of those parts of the signal which vary as each modulation parameter, and also any parts which depend on chosen products of the modulation parameters. The method has been used to measure small shifts of resonance frequency in molecular beam experiments, when a sensitivity approaching the limit set by shot noise has been achieved.

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A multichannel phase-sensitive detection method using orthogonal square waveforms

Abstract

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