From 30336205b99debc9317874958be60a81fdc3e453 Mon Sep 17 00:00:00 2001 From: Mike Wilensky Date: Wed, 16 Oct 2024 12:01:04 -0400 Subject: [PATCH] Better explain the origin of the correction factor --- hera_cal/frf.py | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/hera_cal/frf.py b/hera_cal/frf.py index 01d035482..745389adb 100644 --- a/hera_cal/frf.py +++ b/hera_cal/frf.py @@ -2218,7 +2218,10 @@ def get_corr(cov): def get_correction_factor_from_cov(cov, tslc=None): """ Get a correction factor for PS noise variance prediction in the absence - of propagating the noise covariances all the way to delay space. + of propagating the noise covariances all the way to delay space. This is + based on HERA memo #132, where it is shown that one may calculate an + effective number of degrees of freedom based on the variance of a + generalized chi-square random variable. Parameters: cov: array