Second harmonic response of magnetic nanoparticles under parallel static field and perpendicular oscillating field for magnetic particle imaging
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DOI: 10.1063/1.5129973
Abstract: The second harmonic signal of a magnetic nanoparticle in an oscillating magnetic field was enhanced, by applying a static bias field. To promote the second harmonic signal, the oscillating field was applied perpendicular to the… read more here.
Keywords: field; second harmonic; harmonic signal; static bias ... See more keywords
Photothermal Interferometry Gas Sensor Based on the First Harmonic Signal
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DOI: 10.1109/jphot.2018.2821845
Abstract: Photothermal interferometry (PTI) incorporated with wavelength modulation spectroscopy is a typical ultrasensitive spectroscopic technique for trace gas detection. In this paper, to our best knowledge, we demonstrate that the first harmonic signal is the best… read more here.
Keywords: gas; first harmonic; photothermal interferometry; harmonic signal ... See more keywords
A Novel Detection Method for Weak Harmonic Signal with Chaotic Noise
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DOI: 10.18280/ts.370316
Abstract: Received: 10 January 2020 Accepted: 9 April 2020 The bit error induced by the chaotic noise is a serious problem among weak harmonic signal detection methods for wireless network environment. To solve the problem, this… read more here.
Keywords: detection; chaotic noise; signal; harmonic signal ... See more keywords