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    • 8. 发明专利
    • Adaptive equalizer with dc offset compensation
    • 具有DC偏移补偿的自适应均衡器
    • JP2005237003A
    • 2005-09-02
    • JP2005040940
    • 2005-02-17
    • Fujitsu Ltd富士通株式会社
    • GAI WEIXINHIDAKA YASUO
    • H04B3/04H03F1/02H03F3/45H03G5/16H04L25/03H04L25/06
    • H04L25/03038H03F3/45183H03F3/45475H03F3/45748H03F3/45973H03F2203/45424H03F2203/45458H03F2203/45652H03F2203/45702H03G5/165H04L25/061H04L2025/03445H04L2025/03592
    • PROBLEM TO BE SOLVED: To match a compensation amount applied by an equalizer close with an attenuation level by a medium as close as possible, in order to keep output characteristics of a signal constant, regardless of a specific communication path used to communicate the signal.
      SOLUTION: A method for compensating for attenuation in an input signal includes receiving an input signal, communicating the first portion of the input signal on a first path, communicating the second portion of the input signal on a second path, and communicating the third portion of the input signal on a third path. The method also includes applying first gain to the first portion of the input signal, applying a first-order mathematical operation and a second gain to the second portion of the input signal, and applying a second-order mathematical operation and a third gain to the portion of the input signal. The method further includes recombining the first portion, the second portion, and the third portion into an output signal.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了使由均衡器接近的补偿量与介质尽可能接近的衰减级相匹配,为了保持信号的输出特性恒定,不管用于通信的特定通信路径如何 信号。 解决方案:用于补偿输入信号中的衰减的方法包括接收输入信号,在第一路径上传送输入信号的第一部分,在第二路径上传送输入信号的第二部分,并将第 在第三路径上输入信号的第三部分。 该方法还包括对输入信号的第一部分施加第一增益,向输入信号的第二部分施加一阶数学运算和第二增益,以及向第二增益施加二阶数学运算和第三增益 部分输入信号。 该方法还包括将第一部分,第二部分和第三部分重新组合成输出信号。 版权所有(C)2005,JPO&NCIPI