Ｗｕ Ｘｉａｏ－ｑｉｎｇ, Ｗａｎｇ Ｄｅｎｇ－ｆｅｎｇ, Ｃｈｅｎｇ Ｙｕｅ－ｓｕｎ, Ｗａｎｇ Ｊｕｎ－ｙｉｎｇ. Ｔｈｅ Ｅｆｆｅｃｔ ｏｆ Ｓｏｕｎｄ-ａｂｓｏｒｂｉｎｇ Ｌｉｎｉｎｇ ｏｎ Ｉｎｔｅｒｉｏｒ Ｎｏｉｓｅ ｏｆ Ｔｒａｃｔｏｒ Ｃａｂ[J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 1997, 13(3): 159-163.
    Citation: Ｗｕ Ｘｉａｏ－ｑｉｎｇ, Ｗａｎｇ Ｄｅｎｇ－ｆｅｎｇ, Ｃｈｅｎｇ Ｙｕｅ－ｓｕｎ, Ｗａｎｇ Ｊｕｎ－ｙｉｎｇ. Ｔｈｅ Ｅｆｆｅｃｔ ｏｆ Ｓｏｕｎｄ-ａｂｓｏｒｂｉｎｇ Ｌｉｎｉｎｇ ｏｎ Ｉｎｔｅｒｉｏｒ Ｎｏｉｓｅ ｏｆ Ｔｒａｃｔｏｒ Ｃａｂ[J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 1997, 13(3): 159-163.
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    Ｔｈｅ Ｅｆｆｅｃｔ ｏｆ Ｓｏｕｎｄ-ａｂｓｏｒｂｉｎｇ Ｌｉｎｉｎｇ ｏｎ Ｉｎｔｅｒｉｏｒ Ｎｏｉｓｅ ｏｆ Ｔｒａｃｔｏｒ Ｃａｂ

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    • Ｉｎｔｅｒｉｏｒ ｎｏｉｓｅｓ ｉｎ ｔｒａｃｔｏｒ ｃａｂ ａｒｅ ｃｏｍｐｏｓｅｄ ｏｆ ｄｉｒｅｃｔ ｓｏｕｎｄ ａｎｄ ｒｅｖｅｒｂｅｒａｔｉｏｎ ｓｏｕｎｄ．Ｔｈｅ ｒｅｖｅｒｂｅｒａｔｉｏｎ ｓｏｕｎｄ ｗｈｉｃｈ ｈａｓ ａ ｇｒｅａｔ ｃｏｎｔｒｉｂｕｔｉｏｎ ｏｎ ｔｈｅ ｎｏｉｓｅ ｉｓ ｃｏｎｃｅｒｎｅｄ ｗｉｔｈ ｔｈｅ ｌｉｎｉｎｇ ｏｆ ｃａｂ ｗａｌｌ．Ｉｎ ｔｈｉｓ ｐａｐｅｒ ｔｈｅ ｎｏｉｓｅ ｌｅｖｅｌ ｈａｓ ｂｅｅｎ ｃａｌｃｕｌａｔｅｄ ａｆｔｅｒ ｔｈｅ ｓｏｕｎｄ ｗａｓ ａｂｓｏｒｂｅｄ ｂｙ ｔｒａｃｔｏｒ ｃａｂ ｗａｌｌ．Ｔｈｅ ｒｅｓｕｌｔｓ ｗｅｒｅ ｖｅｒｉｆｉｅｄ ｂｙ ｅｘｐｅｒｉｍｅｎｔ．Ｔｈｅ ｉｎｔｅｒｉｏｒ ｎｏｉｓｅ ｉｓ ｒｅｄｕｃｅｄ ２．３～３．１ｄＢ（Ａ）ａｆｔｅｒ ｓｏｕｎｄ－ａｂｓｏｒｂｉｎｇ ｌｉｎｉｎｇ．
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