{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreih5zzr7kxtwpjvy5tlaxdlncxd6b6yb6nikri43fqpcq7jfqsv5vu"
    },
    "mimeType": "image/png",
    "size": 103804
  },
  "description": "A method 150 includes receiving 152 a noise signal sensed by a knock sensor 23 disposed in or proximate to a combustion chamber 12 of a combustion engine 10, preconditioning the noise signal to generate a preconditioned noise signal, and process the preconditioned noise signal to determine a…",
  "path": "/patents/937820",
  "publishedAt": "2016-09-14T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02B77/085",
    "GEN ELECTRIC [US]"
  ],
  "textContent": "A method 150 includes receiving 152 a noise signal sensed by a knock sensor 23 disposed in or proximate to a combustion chamber 12 of a combustion engine 10, preconditioning the noise signal to generate a preconditioned noise signal, and process the preconditioned noise signal to determine a location, a time, or a combination thereof, of a peak firing pressure in the combustion chamber of the combustion engine.",
  "title": "JOINT TIME-FREQUENCY AND WAVELET ANALYSIS OF KNOCK SENSOR SIGNAL"
}