{
  "id": 255320,
  "title": "Why is the signal not visible?",
  "url": "/competitions/g2net-gravitational-wave-detection/discussion/255320",
  "author_name": "",
  "post_date": "2021-07-27T02:28:19.593561100Z",
  "votes": 1,
  "comment_count": 4,
  "views": 0,
  "content": "<p>Looking at the literature, the event we are looking for is always see as a sudden rapid increase in frequency caused by a burst of energy. Here are some pictures: <a href=\"https://gwburst.gitlab.io\" target=\"_blank\">https://gwburst.gitlab.io</a> <br>\nHowever in this data we are unable to see such patters for the target class. Anyone have any idea why that is? What is so different about this dataset?</p>",
  "messages": [
    {
      "id": "1401109",
      "postDate": "07/27/2021 02:28:19",
      "content": "<p>Looking at the literature, the event we are looking for is always see as a sudden rapid increase in frequency caused by a burst of energy. Here are some pictures: <a href=\"https://gwburst.gitlab.io\" target=\"_blank\">https://gwburst.gitlab.io</a> <br>\nHowever in this data we are unable to see such patters for the target class. Anyone have any idea why that is? What is so different about this dataset?</p>",
      "rawMarkdown": "Looking at the literature, the event we are looking for is always see as a sudden rapid increase in frequency caused by a burst of energy. Here are some pictures: https://gwburst.gitlab.io \nHowever in this data we are unable to see such patters for the target class. Anyone have any idea why that is? What is so different about this dataset?",
      "votes": null
    },
    {
      "id": "1401259",
      "postDate": "07/27/2021 06:41:44",
      "content": "<p>Referring to the following two articles, <br>\nDOI: 10.1103/PhysRevLett.116.061102 - this concerns GW150914<br>\nDOI: 10.1103/PhysRevLett.119.141101 - this  concerns GW170814<br>\ngravitational waves caused strain of order 10^-21. On the other hand, I found the values (of LIGO, especially) contained in the dataset provided in this competition are of order 10^-20. Maybe the dataset simulates the situation where noise is louder than usual so that it dominates the effect of gravitational wave.</p>",
      "rawMarkdown": "Referring to the following two articles, \nDOI: 10.1103/PhysRevLett.116.061102 - this concerns GW150914\nDOI: 10.1103/PhysRevLett.119.141101 - this  concerns GW170814\ngravitational waves caused strain of order 10^-21. On the other hand, I found the values (of LIGO, especially) contained in the dataset provided in this competition are of order 10^-20. Maybe the dataset simulates the situation where noise is louder than usual so that it dominates the effect of gravitational wave.",
      "votes": null
    },
    {
      "id": "1401417",
      "postDate": "07/27/2021 10:05:52",
      "content": "<p>I think the keypoint is the signal-to-noise ratio used in this dataset. The additive gaussian (supposely colored) noise power is too high and it camouflages the signal almost entirely. </p>",
      "rawMarkdown": "I think the keypoint is the signal-to-noise ratio used in this dataset. The additive gaussian (supposely colored) noise power is too high and it camouflages the signal almost entirely.",
      "votes": null
    },
    {
      "id": "1403364",
      "postDate": "07/29/2021 04:12:19",
      "content": "<p>I just started exploring this competition but here are my 2 cents.</p>\n<p>The existing approaches might help us with the problem statement but I doubt that will be the solution.</p>\n<p>The data provided to us is 100% synthetic and the author wants to get answers under worse situations. That being said, the noise and signal added to the data are mathematically constrained and the hope is the model will be able to differentiate the two with confidence.</p>\n<p>I think the welcome thread might answer some of your questions.</p>",
      "rawMarkdown": "I just started exploring this competition but here are my 2 cents.\n\nThe existing approaches might help us with the problem statement but I doubt that will be the solution.\n\nThe data provided to us is 100% synthetic and the author wants to get answers under worse situations. That being said, the noise and signal added to the data are mathematically constrained and the hope is the model will be able to differentiate the two with confidence.\n\nI think the welcome thread might answer some of your questions.",
      "votes": null
    },
    {
      "id": "1561285",
      "postDate": "10/27/2021 13:12:18",
      "content": "<p>Hey All,</p>\n<p>Thank you all for taking part in our competition. The participation has been overwhelmingly positive. We are currently conducting a survey to gauge the demographic and outreach achieved. Kindly spare 2min and fill in this survey <a href=\"https://forms.gle/QP9L16niPexozyhu5\" target=\"_blank\">https://forms.gle/QP9L16niPexozyhu5</a>.</p>\n<p>Thank you all,</p>\n<p>Regards,<br>\nChris</p>",
      "rawMarkdown": "Hey All,\n\nThank you all for taking part in our competition. The participation has been overwhelmingly positive. We are currently conducting a survey to gauge the demographic and outreach achieved. Kindly spare 2min and fill in this survey https://forms.gle/QP9L16niPexozyhu5.\n\nThank you all,\n\nRegards,\nChris",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 1401259,
      "author_name": "sogamja",
      "author_url": "",
      "post_date": "07/27/2021 06:41:44",
      "content": "<p>Referring to the following two articles, <br>\nDOI: 10.1103/PhysRevLett.116.061102 - this concerns GW150914<br>\nDOI: 10.1103/PhysRevLett.119.141101 - this  concerns GW170814<br>\ngravitational waves caused strain of order 10^-21. On the other hand, I found the values (of LIGO, especially) contained in the dataset provided in this competition are of order 10^-20. Maybe the dataset simulates the situation where noise is louder than usual so that it dominates the effect of gravitational wave.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 1401417,
      "author_name": "cristojv",
      "author_url": "",
      "post_date": "07/27/2021 10:05:52",
      "content": "<p>I think the keypoint is the signal-to-noise ratio used in this dataset. The additive gaussian (supposely colored) noise power is too high and it camouflages the signal almost entirely. </p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 1403364,
      "author_name": "harshpatel1692",
      "author_url": "",
      "post_date": "07/29/2021 04:12:19",
      "content": "<p>I just started exploring this competition but here are my 2 cents.</p>\n<p>The existing approaches might help us with the problem statement but I doubt that will be the solution.</p>\n<p>The data provided to us is 100% synthetic and the author wants to get answers under worse situations. That being said, the noise and signal added to the data are mathematically constrained and the hope is the model will be able to differentiate the two with confidence.</p>\n<p>I think the welcome thread might answer some of your questions.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 1561285,
      "author_name": "zerafachris",
      "author_url": "",
      "post_date": "10/27/2021 13:12:18",
      "content": "<p>Hey All,</p>\n<p>Thank you all for taking part in our competition. The participation has been overwhelmingly positive. We are currently conducting a survey to gauge the demographic and outreach achieved. Kindly spare 2min and fill in this survey <a href=\"https://forms.gle/QP9L16niPexozyhu5\" target=\"_blank\">https://forms.gle/QP9L16niPexozyhu5</a>.</p>\n<p>Thank you all,</p>\n<p>Regards,<br>\nChris</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "1401109": "Looking at the literature, the event we are looking for is always see as a sudden rapid increase in frequency caused by a burst of energy. Here are some pictures: https://gwburst.gitlab.io \nHowever in this data we are unable to see such patters for the target class. Anyone have any idea why that is? What is so different about this dataset?",
    "1401259": "Referring to the following two articles, \nDOI: 10.1103/PhysRevLett.116.061102 - this concerns GW150914\nDOI: 10.1103/PhysRevLett.119.141101 - this  concerns GW170814\ngravitational waves caused strain of order 10^-21. On the other hand, I found the values (of LIGO, especially) contained in the dataset provided in this competition are of order 10^-20. Maybe the dataset simulates the situation where noise is louder than usual so that it dominates the effect of gravitational wave.",
    "1401417": "I think the keypoint is the signal-to-noise ratio used in this dataset. The additive gaussian (supposely colored) noise power is too high and it camouflages the signal almost entirely.",
    "1403364": "I just started exploring this competition but here are my 2 cents.\n\nThe existing approaches might help us with the problem statement but I doubt that will be the solution.\n\nThe data provided to us is 100% synthetic and the author wants to get answers under worse situations. That being said, the noise and signal added to the data are mathematically constrained and the hope is the model will be able to differentiate the two with confidence.\n\nI think the welcome thread might answer some of your questions.",
    "1561285": "Hey All,\n\nThank you all for taking part in our competition. The participation has been overwhelmingly positive. We are currently conducting a survey to gauge the demographic and outreach achieved. Kindly spare 2min and fill in this survey https://forms.gle/QP9L16niPexozyhu5.\n\nThank you all,\n\nRegards,\nChris"
  },
  "source": "meta"
}