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Heterodyne

Known as: Hetrodyne, Heterodyne (disambiguation), Frequency shifting 
Heterodyning is a radio signal processing technique invented in 1901 by Canadian inventor-engineer Reginald Fessenden, in which new frequencies are… Expand
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Papers overview

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Highly Cited
2012
Highly Cited
2012
We describe the design and construction of GREAT (German REceiver for Astronomy at Terahertz frequencies) operated on the… Expand
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Highly Cited
2010
Highly Cited
2010
In this paper, we present a fast solution to build a Doppler radar system for noncontact vital sign detection (VSD) using… Expand
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Highly Cited
2008
Highly Cited
2008
Aims. In March 2008, the APEX facility instrument was installed on the telescope at the site of Lliano Chajnantor in northern… Expand
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Highly Cited
2007
Highly Cited
2007
We describe a theoretical framework for reversibly modulating 4D light fields using an attenuating mask in the optical path of a… Expand
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Highly Cited
2006
Highly Cited
2006
We present the theoretical and detailed experimental characterizations of Photothermal Heterodyne Imaging. An analytical… Expand
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1997
1997
3D-measurement systems based on active triangulation using projection of structured light and recording by CCD-cameras are… Expand
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Highly Cited
1993
Highly Cited
1993
An analysis has been carried out of optical heterodyne conversion with an interdigitated‐electrode photomixer made from low… Expand
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Highly Cited
1992
Highly Cited
1992
Experimental results of a wideband heterodyne second-order optical phase-locked loop with 1.5- mu m semiconductor lasers are… Expand
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Highly Cited
1990
Highly Cited
1990
The effects of a 1/f frequency noise on self-heterodyne detection are described, and the results are applied to the problem of… Expand
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Highly Cited
1990
Highly Cited
1990
Spatial heterodyne spectroscopy (SHS) employing a two-beam dispersive interferometer producing a Fizeau fringe pattern having… Expand
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