We addressed the question of whether half aperture data could be used for testing a large active segmented primary mirror. Our study indicates that modal control with Zernike coefficients will be difficult, whereas modal control with Gram-Schmidt coefficients may be practicable.
George N. Lawrence,
Weng W. Chow,
"Influence Of Higher Order Noise In Wavefront Reconstruction", Proc. SPIE 0440, Synthetic Aperture Systems I, (2 March 1984); doi: 10.1117/12.937578; https://doi.org/10.1117/12.937578