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masked-edge-effects.rst

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Masked edge effects?

Date: 2011-07-13 20:28
Author: Adam (adam.g.ginsburg@gmail.com)
tags:googlepost, simulation
slug:masked-edge-effects

I raised the possibility that the ratty edges of a scan could affect the power spectrum measurements, leading to a scale-free power loss. This doesn't appear to happen... instead, the masking adds some small-scale power and apparently a small amount of large-scale power.

http://1.bp.blogspot.com/-y7Bh9ngi7mY/Th3_sLpN0VI/AAAAAAAAGSc/4P67rBou5HE/s320/exp10_ds2_astrosky_arrang45_atmotest_amp1.0E%252B00_sky03_seed00_peak010.00_nosmooth_test_compare.png

http://4.bp.blogspot.com/-cg1akcZbUek/Th3_sicaVmI/AAAAAAAAGSk/_4sALFui9kA/s320/exp10_ds2_astrosky_arrang45_atmotest_amp1.0E%252B00_sky03_seed00_peak010.00_nosmooth_test_psds.png

http://2.bp.blogspot.com/-y-9SbSCsPqw/Th3_tHJGc8I/AAAAAAAAGSs/suuiw8xvwpQ/s320/exp10_ds2_astrosky_arrang45_atmotest_amp1.0E%252B00_sky03_seed00_peak010.00_nosmooth_test_stf.png