.. index:: ! spectral_diversity   

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spectral_diversity
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Synopsis
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**spectral_diversity** *master_stem aligned_stem bshfit filter*


Description
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**spectral_diversity**  

Output: resitual_shift = 0.001234  [with a file ddphase]

Note: make sure stem.SLCH stem.SLCL stem.BB exist              

Required Arguments
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*master_stem*

	Name stem of master or reference image

*aligned_stem*

	Name stem of aligned or secondary image

*bshfit*

	Input

*filter*

	Input filter name


Example
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 ::

    spectral_diversity S1A20150322_F1 S1A20150415_F1 0 gauss5x5