Wavefront Coding
Wavefront Coding
Wavefront Coding
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Hybrid imaging with a cubic-phase functionperformance parametersCurvature κ of Generalised Cornuspiral=+ ( ) κπν 16 wx203αNote that AF∞*AFy (,)(/2)(/2)exp(2) νννπ =+ Pu Pu − j uydu∫−∞replaced by linear relationship• Explanations andexpressions are obtainedfor• Mean value of MTF• W 20 (max)=3α(1-f)• Cf optimisation• Amplitude and phasemodulation of the OTFΔMTFΔMTFΔӨNet rotation of spiral removed24