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Crystal radio

Known as: Crystadine, Crystodine, Crystal (disambiguation) 
A crystal radio receiver, also called a crystal set or cat's whisker receiver, is a very simple radio receiver, popular in the early days of radio… 
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Related topics

Related topics

27 relations
AM broadcastingAmplifierBandwidth (signal processing)Carrier wave

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2010
2010
Inverse problem of linear combinations of Gaussian convolution kernels (deconvolution) and some applications to proton/photon dosimetry and image processing
The deconvolution of a single Gaussian kernel is extended to a sum of Gaussian kernels with positive coefficients (case 1) and to… 
Highly Cited
2010
Highly Cited
2010
Two-Dimensional SPAD Imaging Camera for Photon Counting
Many demanding photonic applications require the acquisition of images at very low light-level conditions and at high speed… 
Highly Cited
2010
Highly Cited
2010
Progress and Challenges Towards Terahertz CMOS Integrated Circuits
Key components of systems operating at high millimeter wave and sub-millimeter wave/terahertz frequencies, a 140-GHz fundamental… 
2008
2008
The development of quasi-optical THz detectors
The design and testing of a broadband quasi-optical THz Schottky-diode detector is described. Initial measurements yielded a… 
Highly Cited
2008
Highly Cited
2008
A Low-Cost 128 $\times$ 128 Uncooled Infrared Detector Array in CMOS Process
This paper discusses the implementation of a low-cost 128 times 128 uncooled infrared microbolometer detector array together with… 
Highly Cited
2006
Highly Cited
2006
An excellent operating point tracker of the solar-cell power supply system
When the solar array is used as an input power source, the excellent operating point tracker is often employed to exploit more… 
Highly Cited
2006
Highly Cited
2006
CMOS Single-Photon Avalanche Diode Array for Time-Resolved Fluorescence Detection
A single photon avalanche diode detector for the analysis of fluorescence phenomena is presented. The 14-pixels array, fabricated… 
2002
2002
Spectroscopic Detection of the 3.934 Micron Line of Si IX in the Solar Corona
We report the detection of the 2s22p2 3P1 → 0 line of Si IX using the McMath-Pierce telescope on Kitt Peak. Observations were… 
1997
1997
ACTIVE MICROWAVE REMOTE SENSING OF ROAD SURFACE CONDITIONS
An active microwave sensing system is investigated to provide real-time information about road surface conditions. Microwave… 
Highly Cited
1995
Highly Cited
1995
Apparatus for measuring viscoelastic properties over ten decades: Refinements
This paper describes refinements to an instrument for determining the viscoelastic properties of a solid material isothermally… 
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