"self-noise" meaning in English

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      "expansion": "self- + noise",
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  "etymology_text": "From self- + noise.",
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "The input sound level that creates the same output voltage as the receiving microphone in the absence of any sound, and which represents the lowest point of the microphone's dynamic range."
      ],
      "id": "en-self-noise-en-noun--wrQ2pQW",
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          "output",
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          "microphone",
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          "dynamic range",
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        {
          "ref": "2002, Xavier Lurton, An Introduction to Underwater Acoustics, page 112:",
          "text": "Causes of ship-radiated noise. This is another important factor, as the noise radiated by a ship is received by all sonar systems on board (self-noise) and imposes limits to the performance achievable when it exceeds ambient noise levels.",
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          "ref": "2011, John Carlton, Marine Propellers and Propulsion, page 253:",
          "text": "Figure 10.5 typifies this latter condition, in which the self-noise generated at the sonar dome of a warship is seen.",
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        "The noise radiating from a ship, etc. because of its own operation."
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  "word": "self-noise"
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  "etymology_text": "From self- + noise.",
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        "The input sound level that creates the same output voltage as the receiving microphone in the absence of any sound, and which represents the lowest point of the microphone's dynamic range."
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          "ref": "2002, Xavier Lurton, An Introduction to Underwater Acoustics, page 112:",
          "text": "Causes of ship-radiated noise. This is another important factor, as the noise radiated by a ship is received by all sonar systems on board (self-noise) and imposes limits to the performance achievable when it exceeds ambient noise levels.",
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        },
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          "text": "Figure 10.5 typifies this latter condition, in which the self-noise generated at the sonar dome of a warship is seen.",
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        "The noise radiating from a ship, etc. because of its own operation."
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