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    • 5. 发明申请
    • Processes for preparation of marek's disease virus using continuous avian cell lines
    • 使用连续禽类细胞系制备马立克氏病病毒的方法
    • US20020132337A1
    • 2002-09-19
    • US10134241
    • 2002-04-29
    • Sing RongMichael G. Sheppard
    • A61K039/12C12N007/00C12N005/06
    • C12N7/00A61K39/12A61K39/255A61K2039/525C12N15/86C12N2710/16334C12N2710/16343C12N2710/16351C12N2710/16361
    • An amplifier distortion reduction system obtains a distortion signal from the amplifier output and feeds the distortion signal back to the input side of the amplifier to cancel with the distortion produced at the amplifier output. For example, a signal to be amplified by an amplifier is received on a main signal path. The amplifier produces an amplified output with a non-distortion spectrum and a distortion spectrum. A sample of the amplified output is produced from the main signal path and placed on a feedback path. On the feedback path, the distortion spectrum is obtained from the sample amplified output. The distortion spectrum is phase and/or amplitude adjusted to produce the distortion signal. The distortion signal is placed onto the main signal path at the input side of the amplifier with the signal to be amplified to destructively combine with the distortion produced from the amplifier in amplifying the signal to be amplified.
    • 放大器失真减小系统从放大器输出端获得失真信号,并将失真信号反馈到放大器的输入侧,以消除放大器输出端产生的失真。 例如,在主信号路径上接收由放大器放大的信号。 放大器产生具有非失真频谱和失真频谱的放大输出。 放大输出的样本从主信号路径产生并放置在反馈路径上。 在反馈路径上,从样本放大输出获得失真谱。 失真频谱是相位和/或幅度调整以产生失真信号。 失真信号被放置在放大器的输入侧的主信号路径上,其中要放大的信号与在放大信号放大时产生的失真相结合。