書誌事項
- タイトル別名
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- Development of an Waveform Equalizer for a MUSE Decoder
- MUSE デコーダヨウ ハケイ トウカキ ノ カイハツ
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抄録
The MUSE system, a bandwidth compression system for HDTV transmission, employs sub-sampling techniques and transmits picture information as a PAM (Pulse Amplitude Modulation) signal. In order to obtain good picture quality, the cosine roll-off characteristic is applied to the transmission path.<BR>For this purpose, we have developed a waveform equalization circuits that can be built into the MUSE decoder.These circuits consist of an additional A/D converter that operates at twice the sampling rate of the main A/D converter, and a digital filter with variable coefficients to obtain the compensation signal. Equalization is performed by adding this compensation signal to the output signal of the main A/D converter.<BR>Even though the configuration of this equalizer is simple and small scale, it can still satisfy the characteristics required by the actual transmission paths of MUSE signals.
収録刊行物
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- テレビジョン学会誌
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テレビジョン学会誌 44 (2), 173-178_1, 1990
一般社団法人 映像情報メディア学会
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詳細情報 詳細情報について
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- CRID
- 1390001205097132032
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- NII論文ID
- 110003702645
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- NII書誌ID
- AN00151466
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- ISSN
- 18849652
- 03866831
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- NDL書誌ID
- 3652907
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- データソース種別
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- JaLC
- NDL
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