"predistortion" meaning in English

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  "etymology_text": "From pre- + distortion.",
  "forms": [
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      "form": "predistortions",
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  "lang_code": "en",
  "pos": "noun",
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      "derived": [
        {
          "word": "digital predistortion"
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      ],
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        {
          "bold_text_offsets": [
            [
              12,
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          "ref": "1977, W[illiam] David Gregg, “Modulation Indices in PM and FM”, in Analog and Digital Communication: Concepts, Systems, Applications, and Services in Electrical Dissemination of Aural, Visual, and Data Information, New York, N.Y.: John Wiley & Sons, →ISBN, chapter 3 (Angle Modulation), page 70:",
          "text": "One form of predistortion and complementary equalization is the transmitter preemphasis and receiver deemphasis combination employed in FM transmissions.",
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          "ref": "2016, Maarten Schoukens, Jules Hammenecker, Adam Cooman, “Obtaining the Pre-Inverse of a Power Amplifier using Iterative Learning Control”, in arXiv:",
          "text": "The convergence of the iterative approach, and the predistortion results are illustrated on a simulation of a Motorola LDMOS transistor based power amplifier and a measurement example using the Chalmers RF WebLab measurement setup.",
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        "Distortion prior to some other process."
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  "word": "predistortion"
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  "etymology_text": "From pre- + distortion.",
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          "text": "One form of predistortion and complementary equalization is the transmitter preemphasis and receiver deemphasis combination employed in FM transmissions.",
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