Method and system for detecting materials
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United States of America Patent
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Mar 25, 2014
Grant Date -
Aug 18, 2011
app pub date -
Feb 14, 2011
filing date -
Feb 12, 2010
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Abstract
Disclosed is a method for detecting one or both of the native material in an object and any foreign material in the object by parallel-mode spectroscopy, comprising parallel-mode data acquisition, signal processing and data reduction and providing results. Parallel-mode data acquisition comprises producing an interrogating signal simultaneously containing electromagnetic radiation of sufficient bandwidth in the range of approximately 10 GHz to approximately 25 THz to allow simultaneous detection of a plurality of signals at a plurality of frequencies, each signal being at some amplitude, which collectively provide a unique spectral signature of a material whose detection is desired. The signal processing and data reduction comprises processing a signal resulting from exposing the object to the interrogating radiation to produce a three-dimensional data matrix representative of at least any foreign or native material associated with the object. Correlation technique is used to compare the data matrix to a reference library.
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