"振幅変調" meaning in Japanese

{
  "forms": [
    {
      "form": "振幅変調 ^",
      "ruby": [
        [
          "振",
          "しん"
        ],
        [
          "幅",
          "ぷく"
        ],
        [
          "変",
          "へん"
        ],
        [
          "調",
          "ちょう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "shinpukuhenchō",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "sinpukufenteu",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "しんぷくへんてう",
      "roman": "sinpukufenteu",
      "tags": [
        "hiragana",
        "historical"
      ]
    },
    {
      "form": "振幅變調",
      "tags": [
        "alternative",
        "kanji",
        "kyūjitai"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "しんぷくへんちょう",
        "hhira": "しんぷくへんてう"
      },
      "expansion": "振(しん)幅(ぷく)変(へん)調(ちょう) • (shinpukuhenchō) ^(←しんぷくへんてう (sinpukufenteu)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms read with on'yomi",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 4 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with Nakadaka pitch accent (Tōkyō)",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "amplitude modulation (method of sending information)"
      ],
      "id": "en-振幅変調-ja-noun-3vUxCnH3",
      "links": [
        [
          "amplitude modulation",
          "amplitude modulation"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "しんぷくへんちょー"
    },
    {
      "ipa": "[ɕĩmpɯ̟kɯ̟hẽ̞ɲ̟t͡ɕo̞ː]"
    }
  ],
  "word": "振幅変調"
}

{
  "forms": [
    {
      "form": "振幅変調 ^",
      "ruby": [
        [
          "振",
          "しん"
        ],
        [
          "幅",
          "ぷく"
        ],
        [
          "変",
          "へん"
        ],
        [
          "調",
          "ちょう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "shinpukuhenchō",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "sinpukufenteu",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "しんぷくへんてう",
      "roman": "sinpukufenteu",
      "tags": [
        "hiragana",
        "historical"
      ]
    },
    {
      "form": "振幅變調",
      "tags": [
        "alternative",
        "kanji",
        "kyūjitai"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "しんぷくへんちょう",
        "hhira": "しんぷくへんてう"
      },
      "expansion": "振(しん)幅(ぷく)変(へん)調(ちょう) • (shinpukuhenchō) ^(←しんぷくへんてう (sinpukufenteu)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms read with on'yomi",
        "Japanese terms spelled with fourth grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms spelled with 変 read as へん",
        "Japanese terms spelled with 幅 read as ふく",
        "Japanese terms spelled with 振 read as しん",
        "Japanese terms spelled with 調 read as ちょう",
        "Japanese terms with 4 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with IPA pronunciation with pitch accent",
        "Japanese terms with Nakadaka pitch accent (Tōkyō)",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "amplitude modulation (method of sending information)"
      ],
      "links": [
        [
          "amplitude modulation",
          "amplitude modulation"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "しんぷくへんちょー"
    },
    {
      "ipa": "[ɕĩmpɯ̟kɯ̟hẽ̞ɲ̟t͡ɕo̞ː]"
    }
  ],
  "word": "振幅変調"
}