. "\uAE30\uB85D \uBCC0\uC870\uBC95"@ko . . . "\uAE30\uB85D \uBCC0\uC870\uBC95\uC740 \uB808\uC774\uC800\uB098 \uC790\uAE30\uC7A5\uC758 \uC778\uD150\uC2DC\uD2F0(\uAC15\uB3C4)\uB97C \uBCC0\uC870\uD558\uC5EC \uB9C8\uD06C\uB97C \uAE30\uB85D\uD558\uC5EC \uC7AC\uC0DD\uD558\uB294 \uB370 \uD6A8\uC728\uC801\uC778 \uB9C8\uD06C\uC758 \uD615\uD0DC\uB97C \uC8FC\uAE30 \uC704\uD574\uC11C \uC790\uB8CC\uB97C \uAE30\uB85D \uBCC0\uC870 \uD384\uC2A4 \uBD80\uD638\uB85C \uBCC0\uD658\uD558\uB294 \uBC29\uBC95\uC744 \uB9D0\uD55C\uB2E4. \uD50C\uB85C\uD53C \uB514\uC2A4\uD06C\uB294 MFM\uC73C\uB85C rll(1,3), \uC790\uAE30 \uB514\uC2A4\uD06C\uB294 RLL(1,7) \uBC29\uC2DD \uB4F1\uACFC, CD\uB294 EFM, \uB514\uBE44\uB514\uB294 EFM+ \uBC29\uC2DD\uC774 \uC0AC\uC6A9\uB418\uACE0 \uC788\uB2E4. NRZ(Non-Return-to-Zero)\uB294 \uB514\uC9C0\uD138 \uC778\uCF54\uB529\uC758 \uD55C \uD615\uD0DC\uC774\uBA70, \uC5B4\uB5A0\uD55C \uC2E0\uD638\uB97C \uBB3C\uB9AC \uACC4\uCE35\uC5D0\uC11C \uC804\uC1A1\uD560\uB54C \uC4F0\uC774\uB294 \uC774 \uBC29\uBC95\uC774\uB2E4. NRZ\uC5D0\uC11C\uB294, '1'\uACFC '0'\uC758 2\uC9C4\uAC12 \uAC01\uAC01\uC744 \uC591(+)\uC758 \uC804\uC555\uAC12\uACFC \uBD80(-)\uC758 \uC804\uC555\uAC12\uC73C\uB85C \uBCC0\uD658\uD55C\uB2E4. NRZI(Non-Return-to-Zero, Inverted)\uB294 \uB514\uC9C0\uD138 \uC778\uCF54\uB529\uC758 \uD55C \uD615\uD0DC\uC774\uBA70, \uC5B4\uB5A0\uD55C \uC2E0\uD638\uB97C \uBB3C\uB9AC \uACC4\uCE35\uC5D0\uC11C \uC804\uC1A1\uD560\uB54C \uC4F0\uC774\uB294 \uC774 \uBC29\uBC95\uC774\uB2E4. NRZ\uC640\uB294 \uBC18\uB300\uB85C, NRZI\uC5D0\uC11C\uB294, '0'\uACFC '1'\uC758 2\uC9C4\uAC12 \uAC01\uAC01\uC744 \uC591(+)\uC758 \uC804\uC555\uAC12\uACFC \uBD80(-)\uC758 \uC804\uC555\uAC12\uC73C\uB85C \uBCC0\uD658\uD55C\uB2E4. \uB9E8\uCCB4\uC2A4\uD130 \uCF54\uB4DC\uB780 \uC815\uBCF4\uD1B5\uC2E0\uC5D0\uC11C \uB514\uC9C0\uD138 \uC778\uCF54\uB529\uC758 \uD55C \uD615\uD0DC\uC774\uB2E4. \uD2B9\uD788, \uC774\uB294 \uC5B4\uB5A0\uD55C \uC2E0\uD638\uB97C \uBB3C\uB9AC \uACC4\uCE35\uC5D0\uC11C \uC804\uC1A1\uD560\uB54C \uC4F0\uC774\uB294 \uBC29\uBC95\uC774\uB2E4. \uB9E8\uCCB4\uC2A4\uD130 \uCF54\uB4DC\uB294 \uC774\uB354\uB137\uACFC \uAC19\uC740 \uAE30\uC220\uC5D0 \uC4F0\uC774\uACE0 \uC788\uB2E4."@ko . . . . . . . . . "\uAE30\uB85D \uBCC0\uC870\uBC95\uC740 \uB808\uC774\uC800\uB098 \uC790\uAE30\uC7A5\uC758 \uC778\uD150\uC2DC\uD2F0(\uAC15\uB3C4)\uB97C \uBCC0\uC870\uD558\uC5EC \uB9C8\uD06C\uB97C \uAE30\uB85D\uD558\uC5EC \uC7AC\uC0DD\uD558\uB294 \uB370 \uD6A8\uC728\uC801\uC778 \uB9C8\uD06C\uC758 \uD615\uD0DC\uB97C \uC8FC\uAE30 \uC704\uD574\uC11C \uC790\uB8CC\uB97C \uAE30\uB85D \uBCC0\uC870 \uD384\uC2A4 \uBD80\uD638\uB85C \uBCC0\uD658\uD558\uB294 \uBC29\uBC95\uC744 \uB9D0\uD55C\uB2E4. \uD50C\uB85C\uD53C \uB514\uC2A4\uD06C\uB294 MFM\uC73C\uB85C rll(1,3), \uC790\uAE30 \uB514\uC2A4\uD06C\uB294 RLL(1,7) \uBC29\uC2DD \uB4F1\uACFC, CD\uB294 EFM, \uB514\uBE44\uB514\uB294 EFM+ \uBC29\uC2DD\uC774 \uC0AC\uC6A9\uB418\uACE0 \uC788\uB2E4. NRZ(Non-Return-to-Zero)\uB294 \uB514\uC9C0\uD138 \uC778\uCF54\uB529\uC758 \uD55C \uD615\uD0DC\uC774\uBA70, \uC5B4\uB5A0\uD55C \uC2E0\uD638\uB97C \uBB3C\uB9AC \uACC4\uCE35\uC5D0\uC11C \uC804\uC1A1\uD560\uB54C \uC4F0\uC774\uB294 \uC774 \uBC29\uBC95\uC774\uB2E4. NRZ\uC5D0\uC11C\uB294, '1'\uACFC '0'\uC758 2\uC9C4\uAC12 \uAC01\uAC01\uC744 \uC591(+)\uC758 \uC804\uC555\uAC12\uACFC \uBD80(-)\uC758 \uC804\uC555\uAC12\uC73C\uB85C \uBCC0\uD658\uD55C\uB2E4. NRZI(Non-Return-to-Zero, Inverted)\uB294 \uB514\uC9C0\uD138 \uC778\uCF54\uB529\uC758 \uD55C \uD615\uD0DC\uC774\uBA70, \uC5B4\uB5A0\uD55C \uC2E0\uD638\uB97C \uBB3C\uB9AC \uACC4\uCE35\uC5D0\uC11C \uC804\uC1A1\uD560\uB54C \uC4F0\uC774\uB294 \uC774 \uBC29\uBC95\uC774\uB2E4. NRZ\uC640\uB294 \uBC18\uB300\uB85C, NRZI\uC5D0\uC11C\uB294, '0'\uACFC '1'\uC758 2\uC9C4\uAC12 \uAC01\uAC01\uC744 \uC591(+)\uC758 \uC804\uC555\uAC12\uACFC \uBD80(-)\uC758 \uC804\uC555\uAC12\uC73C\uB85C \uBCC0\uD658\uD55C\uB2E4. \uB9E8\uCCB4\uC2A4\uD130 \uCF54\uB4DC\uB780 \uC815\uBCF4\uD1B5\uC2E0\uC5D0\uC11C \uB514\uC9C0\uD138 \uC778\uCF54\uB529\uC758 \uD55C \uD615\uD0DC\uC774\uB2E4. \uD2B9\uD788, \uC774\uB294 \uC5B4\uB5A0\uD55C \uC2E0\uD638\uB97C \uBB3C\uB9AC \uACC4\uCE35\uC5D0\uC11C \uC804\uC1A1\uD560\uB54C \uC4F0\uC774\uB294 \uBC29\uBC95\uC774\uB2E4. \uB9E8\uCCB4\uC2A4\uD130 \uCF54\uB4DC\uC5D0\uC11C\uB294 \uD558\uB098\uC758 \uBE44\uD2B8\uAC00 \uC804\uC1A1\uB420\uB54C, \uAC01 \uBE44\uD2B8\uD0C0\uC784\uC758 \uC911\uC559\uC5D0\uC11C \uC804\uC555\uC758 \uC804\uC774(transition)\uAC00 \uBC1C\uC0DD\uD558\uB294\uAC8C \uD2B9\uC9D5\uC774\uB2E4. \uADF8\uB807\uAE30 \uB54C\uBB38\uC5D0 \uC218\uC2E0\uC790\uB294 \uC774\uB807\uAC8C \uC804\uB2EC\uB41C \uC2E0\uD638\uB9CC\uC744 \uBCF4\uACE0 \uC804\uC1A1\uC18D\uB3C4\uB97C \uC54C\uC544\uB0BC \uC218 \uC788\uB2E4. \uC774\uB294 \uC1A1\uC2E0\uC790\uC640 \uC218\uC2E0\uC790\uC758 \uB3D9\uAE30\uD654\uB97C \uC27D\uAC8C \uD558\uBA70, \uC624\uB958\uB97C \uC904\uC77C \uC218 \uC788\uB2E4\uB294 \uC7A5\uC810\uC774 \uC788\uB2E4. \uB9E8\uCCB4\uC2A4\uD130 \uCF54\uB4DC\uB294 '1'\uACFC '0'\uC758 2\uC9C4\uAC12 \uAC01\uAC01\uC744 \uC591(+)\uC758 \uC804\uC555\uAC12\uACFC \uBD80(-)\uC758 \uC804\uC555\uAC12\uC73C\uB85C \uBCC0\uD658\uD558\uB294 NRZ\uBC29\uC2DD(\uB610\uB294 \uADF8 \uBC18\uB300\uC758 NRZI\uBC29\uC2DD)\uC73C\uB85C \uB9CC\uB4E4\uC5B4\uC9C4 \uC2E0\uD638\uB97C, \uD074\uB85D\uC2E0\uD638\uC640 XOR\uC5F0\uC0B0\uD558\uC5EC \uB9CC\uB4E4\uC5B4\uC9C4\uB2E4. \uACB0\uACFC\uC801\uC73C\uB85C '0'\uB294 High-Low\uB85C \uD45C\uD604\uB418\uACE0, '1'\uC740 Low-High\uB85C \uD45C\uD604\uB418\uB294 (\uB610\uB294 \uADF8 \uBC18\uB300\uC758) \uC2E0\uD638\uAC00 \uB9CC\uB4E4\uC5B4\uC9C4\uB2E4. \uB3D9\uAE30\uD654\uB97C \uB3D5\uACE0 \uC624\uB958\uB97C \uC904\uC774\uB294 \uC7A5\uC810\uC774 \uC788\uB294 \uBC18\uBA74, NRZ\uB098 NRZI\uB85C \uB9CC\uB4E4\uC5B4\uC9C4 \uC2E0\uD638\uC640 \uB611\uAC19\uC740 \uC815\uBCF4\uB97C \uBCF4\uB0B4\uAE30 \uC704\uD574 \uB450 \uBC30\uC758 \uB300\uC5ED\uD3ED\uC744 \uC0AC\uC6A9\uD574\uC57C\uD55C\uB2E4\uB294 \uB2E8\uC810\uC774 \uC788\uB2E4. \uB9E8\uCCB4\uC2A4\uD130 \uCF54\uB4DC\uB294 \uC774\uB354\uB137\uACFC \uAC19\uC740 \uAE30\uC220\uC5D0 \uC4F0\uC774\uACE0 \uC788\uB2E4."@ko . . .