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TV receiver equalizer storing channel characterizations for each TV channel between times of reception therefrom
TV receiver equalizer storing channel characterizations for each TV channel between times of reception therefrom
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机译:电视接收器均衡器存储每个电视频道从接收到接收时间之间的频道特性
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摘要
An adaptive channel equalizer for a digital television receiver includes memory for storing channel characterization information for each received channel, from each time the channel is tuned to until the next time the same channel is tuned to. The stored information is retained even if operating power to the receiver is interrupted. Whenever operating power is restored to the receiver after interruption and whenever a channel is tuned to again after having tuned to another channel, the previously stored channel characterization for the currently tuned channel is retrieved from memory. The retrieved channel characterization is used to calculate initial filter coefficients for the adaptive channel equalizer.
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