{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# Reproducing HERA Memo 4" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "In this demo, we are going to reproduce the results of \n", "[Pober2015](http://reionization.org/wp-content/uploads/2015/05/HERA4_sensecalc.pdf), a \n", "memo which estimated the sensitivity of the HERA array in its ultimate configuration. \n", "This memo was based on [Pober+2014](https://arxiv.org/pdf/1310.7031.pdf), which looked \n", "at the sensitivity of a \"concept HERA\" (which differs somewhat from the final \n", "instrument), as well as a few other well-known arrays.\n", "\n", "The purpose of the demo is firstly to show how to estimate the sensitivity of a \n", "realistic array in a realistic situation. Secondly, it is a regression test, to ensure\n", "that the results given by the new code are consistent with the original code used in\n", "that memo.\n", "\n", "The \"reproduction\" here is not expected to be exact -- there are several small tweaks \n", "made in the current version that are not present in the code used for the memo (not to \n", "mention the code used for Pober+2014, which was not released at the time), for example \n", "cosmological calculations are done with astropy instead of approximate fitting \n", "functions. Nevertheless, we expect reasonable consistency when the settings are \n", "tuned to match the original code. " ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "