{"action":"created","issue":{"url":"https://api.github.com/repos/hpc4cmb/toast/issues/65","repository_url":"https://api.github.com/repos/hpc4cmb/toast","labels_url":"https://api.github.com/repos/hpc4cmb/toast/issues/65/labels{/name}","comments_url":"https://api.github.com/repos/hpc4cmb/toast/issues/65/comments","events_url":"https://api.github.com/repos/hpc4cmb/toast/issues/65/events","html_url":"https://github.com/hpc4cmb/toast/pull/65","id":182080481,"number":65,"title":"Improvements to noise model and timestream 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the Noise class to allow independent frequency bins for each stored PSD, extracts the simulation of one timestream into a function that can be better unit-tested and incorporated into multiple noise simulation functions, improves the frequency spacing of the AnalyticNoise class, and extends the unit tests to have a better variety of knee frequencies."},"comment":{"url":"https://api.github.com/repos/hpc4cmb/toast/issues/comments/253122263","html_url":"https://github.com/hpc4cmb/toast/pull/65#issuecomment-253122263","issue_url":"https://api.github.com/repos/hpc4cmb/toast/issues/65","id":253122263,"user":{"login":"tskisner","id":84221,"avatar_url":"https://avatars.githubusercontent.com/u/84221?v=3","gravatar_id":"","url":"https://api.github.com/users/tskisner","html_url":"https://github.com/tskisner","followers_url":"https://api.github.com/users/tskisner/followers","following_url":"https://api.github.com/users/tskisner/following{/other_user}","gists_url":"https://api.github.com/users/tskisner/gists{/gist_id}","starred_url":"https://api.github.com/users/tskisner/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tskisner/subscriptions","organizations_url":"https://api.github.com/users/tskisner/orgs","repos_url":"https://api.github.com/users/tskisner/repos","events_url":"https://api.github.com/users/tskisner/events{/privacy}","received_events_url":"https://api.github.com/users/tskisner/received_events","type":"User","site_admin":false},"created_at":"2016-10-12T05:24:32Z","updated_at":"2016-10-12T05:24:32Z","body":"Another offline communication- I ran the unit tests with 500 MC realizations with and without the high-pass of the lowest few frequencies, and it seems like cutting those one or two modes does impact the distribution of TOD variances.  It also leaves the potential for cyclic correlations in the FFT.  So we have decided to maintain the current oversampling factor of two, and to maintain the highpass of the lowest couple points below the frequency corresponding to the simulation length."}}
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