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Interferometric spectral imaging technology obtains the interference intensity information by adding the interferometer,and retrieves the spectral data cube of the object by Fourier transform(FT)to detect object.Fourier transform spectroscopy(FTS)is a widely employed method for obtaining spectral imagery,with applications ranging from environment inspection to remote sensing.Based on the Fourier transform relationship between spectrum and interference intensity,the core of the interferometric spectral imaging technology is its interferometer.