davidwhogg / cameramodel Goto Github PK
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exploratory code to model the E&M fields in a camera
and they should not include low-order distortions, given the AO system working out front.
wrap everything and fire it into leastsq for optimization
Need code that "takes a snapshot" of an intensity field and gets noise added.
In preparation for making a toy model coronograph.
Need a routine that visualizes not just the output intensity but also the input sources, with the amplitudes and phases (possibly shown as phasors?). Imagining a two-panel figure, one panel of which shows the intensities at the image points, and the other shows the amplitudes and phases at the source points.
Leslie confirmed to me that the finite-element method is not a good idea. He will suggest something involving Green functions
This is necessary if we are going to have multi-wavelength stuff work naturally. Or at least hogghogg thinks so.
If I set up the default geometry well, the trivial config (all sources have the same amp and phase) will lead to an in-focus point-source image in the center of the one-d field.
Needs to either get Gaussian noise or else do a Poisson sampling based on the Intensity-implied rate.
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