Signal processing device and signal processing method

A signal processing method comprising:

• recording received signals to generate observed SAR images;
• generating three-dimensional information with reliability including three-dimensional information involving intensity and an estimated value of a phase at a three-dimensional position reconstructed using the observed SAR images and imaging conditions, and information indicating reliability of the three-dimensional information;
• and
• calculating phase signals for all pixels in an analyzed area for the imaging conditions of SAR images to be analyzed, and calculating the information indicating reliability of the phase signals based on the information indicating reliability of the three-dimensional information.

A non-transitory computer readable recording medium storing a signal processing program which, when executed by a processor, performs:

• recording received signals to generate observed SAR images;
• generating three-dimensional information with reliability including three-dimensional information involving intensity and an estimated value of a phase at a three-dimensional position reconstructed using the observed SAR images and imaging conditions, and information indicating reliability of the three-dimensional information;
• and
• calculating phase signals for all pixels in an analyzed area for the imaging conditions of SAR images to be analyzed, and calculating the information indicating reliability of the phase signals based on the information indicating reliability of the three-dimensional information.