{"action":"created","issue":{"url":"https://api.github.com/repos/mavlink/qgroundcontrol/issues/1817","labels_url":"https://api.github.com/repos/mavlink/qgroundcontrol/issues/1817/labels{/name}","comments_url":"https://api.github.com/repos/mavlink/qgroundcontrol/issues/1817/comments","events_url":"https://api.github.com/repos/mavlink/qgroundcontrol/issues/1817/events","html_url":"https://github.com/mavlink/qgroundcontrol/pull/1817","id":104152567,"number":1817,"title":"WIP: reduce sensor noise variances","user":{"login":"kd0aij","id":2300221,"avatar_url":"https://avatars.githubusercontent.com/u/2300221?v=3","gravatar_id":"","url":"https://api.github.com/users/kd0aij","html_url":"https://github.com/kd0aij","followers_url":"https://api.github.com/users/kd0aij/followers","following_url":"https://api.github.com/users/kd0aij/following{/other_user}","gists_url":"https://api.github.com/users/kd0aij/gists{/gist_id}","starred_url":"https://api.github.com/users/kd0aij/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kd0aij/subscriptions","organizations_url":"https://api.github.com/users/kd0aij/orgs","repos_url":"https://api.github.com/users/kd0aij/repos","events_url":"https://api.github.com/users/kd0aij/events{/privacy}","received_events_url":"https://api.github.com/users/kd0aij/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":13,"created_at":"2015-08-31T23:21:16Z","updated_at":"2015-10-12T13:05:23Z","closed_at":"2015-10-12T13:05:23Z","pull_request":{"url":"https://api.github.com/repos/mavlink/qgroundcontrol/pulls/1817","html_url":"https://github.com/mavlink/qgroundcontrol/pull/1817","diff_url":"https://github.com/mavlink/qgroundcontrol/pull/1817.diff","patch_url":"https://github.com/mavlink/qgroundcontrol/pull/1817.patch"},"body":"This PR changes the default sensor noise variances to values measured when stationary. \r\n\r\nI was unable to follow the code past UAS::qt_static_metacall... Is that intentional obfuscation? :)"},"comment":{"url":"https://api.github.com/repos/mavlink/qgroundcontrol/issues/comments/147393402","html_url":"https://github.com/mavlink/qgroundcontrol/pull/1817#issuecomment-147393402","issue_url":"https://api.github.com/repos/mavlink/qgroundcontrol/issues/1817","id":147393402,"user":{"login":"LorenzMeier","id":1208119,"avatar_url":"https://avatars.githubusercontent.com/u/1208119?v=3","gravatar_id":"","url":"https://api.github.com/users/LorenzMeier","html_url":"https://github.com/LorenzMeier","followers_url":"https://api.github.com/users/LorenzMeier/followers","following_url":"https://api.github.com/users/LorenzMeier/following{/other_user}","gists_url":"https://api.github.com/users/LorenzMeier/gists{/gist_id}","starred_url":"https://api.github.com/users/LorenzMeier/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/LorenzMeier/subscriptions","organizations_url":"https://api.github.com/users/LorenzMeier/orgs","repos_url":"https://api.github.com/users/LorenzMeier/repos","events_url":"https://api.github.com/users/LorenzMeier/events{/privacy}","received_events_url":"https://api.github.com/users/LorenzMeier/received_events","type":"User","site_admin":false},"created_at":"2015-10-12T13:05:23Z","updated_at":"2015-10-12T13:05:23Z","body":"I've fixed this now in 0d2f331 by addressing the variance / standard deviation bug and by introducing a scaling based off real flight data which makes the remaining variance survivable. I have also enabled it by default, because the PX4 Flight Stack will detect a channel without variance now and declare the sensor invalid, so we need some noise for HIL. Thanks Mark!"}}