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    • 1. 发明授权
    • Method and apparatus for spectrum monitoring
    • 频谱监测方法和装置
    • US08792008B2
    • 2014-07-29
    • US13607916
    • 2012-09-10
    • Timothy GallagherPatrick TierneyJun Huang
    • Timothy GallagherPatrick TierneyJun Huang
    • H04N17/00H04L12/66H04L12/26H04B17/00
    • H04L43/08H04B17/309H04L12/66H04N17/00
    • A system, such as a satellite reception assembly or customer premises gateway, may comprise an analog-to-digital converter operable to digitize a signal spanning an entire television spectrum (e.g., cable television spectrum or satellite television spectrum) comprising a plurality of television channels. The system may comprise a signal monitor operable to analyze a signal to determine a characteristic of the signal. The system may comprise a data processor operable to process a television channel to recover content carried on the television channel. The system may comprise a channelizer operable to select first and second portions of the signal, and concurrently output the first portion to the signal monitor and the second portion to the data processor.
    • 诸如卫星接收组件或客户驻地网关的系统可以包括可操作用于数字化跨越整个电视频谱(例如,有线电视频谱或卫星电视频谱)的信号的模数转换器,其包括多个电视频道 。 该系统可以包括可操作以分析信号以确定信号的特性的信号监视器。 该系统可以包括可操作以处理电视频道以恢复在电视频道上携带的内容的数据处理器。 该系统可以包括可操作以选择信号的第一和第二部分的信道化器,并且同时将第一部分输出到信号监视器,并将第二部分输出到数据处理器。
    • 2. 发明申请
    • Method and Apparatus for Spectrum Monitoring
    • 频谱监测方法与装置
    • US20130063608A1
    • 2013-03-14
    • US13607916
    • 2012-09-10
    • Patrick TierneyJun HuangTimothy Gallagher
    • Patrick TierneyJun HuangTimothy Gallagher
    • H04N17/00H04B17/00H04L12/26H04N5/44
    • H04L43/08H04B17/309H04L12/66H04N17/00
    • A system, such as a satellite reception assembly or customer premises gateway, may comprise an analog-to-digital converter operable to digitize a signal spanning an entire television spectrum (e.g., cable television spectrum or satellite television spectrum) comprising a plurality of television channels. The system may comprise a signal monitor operable to analyze a signal to determine a characteristic of the signal. The system may comprise a data processor operable to process a television channel to recover content carried on the television channel. The system may comprise a channelizer operable to select first and second portions of the signal, and concurrently output the first portion to the signal monitor and the second portion to the data processor.
    • 诸如卫星接收组件或客户驻地网关的系统可以包括可操作用于数字化跨越整个电视频谱(例如,有线电视频谱或卫星电视频谱)的信号的模数转换器,其包括多个电视频道 。 该系统可以包括可操作以分析信号以确定信号的特性的信号监视器。 该系统可以包括可操作以处理电视频道以恢复在电视频道上携带的内容的数据处理器。 该系统可以包括可操作以选择信号的第一和第二部分的信道化器,并且同时将第一部分输出到信号监视器,并将第二部分输出到数据处理器。
    • 8. 发明授权
    • Tuner for cable, satellite and broadcast applications
    • 电缆,卫星​​和广播应用的调谐器
    • US08373804B2
    • 2013-02-12
    • US12184652
    • 2008-08-01
    • Curtis LingPatrick TierneyRamakrishna Akella
    • Curtis LingPatrick TierneyRamakrishna Akella
    • H04N5/455H04N5/50
    • H04N5/50H04N5/4401H04N5/4446H04N5/455H04N21/4263H04N21/43632H04N21/4382H04N21/443
    • A tuner includes, in part, one or mixers, one or more filters, one or more variable gain stages, one or more analog to digital converters, and a baseband processor. Each filter is responsive to an associated mixer's output signal. Each variable gain stage is responsive to an associated filter's output. Each analog-to-digital converter is adapted to convert the output signal of an associated variable gain stage to a digital signal. The baseband processor is responsive to the digital signal supplied by the analog-to-digital converter(s). The baseband processor is further configured to supply a signal to be demodulated by a processing unit external to the integrated circuit. The baseband processor performs no or a fraction of the required demodulation functions. The processing unit may be a central processing unit or a graphical processing unit.
    • 调谐器部分地包括一个或者混频器,一个或多个滤波器,一个或多个可变增益级,一个或多个模数转换器和基带处理器。 每个滤波器响应于相关混频器的输出信号。 每个可变增益级都响应相关过滤器的输出。 每个模拟 - 数字转换器适于将相关联的可变增益级的输出信号转换为数字信号。 基带处理器响应由模数转换器提供的数字信号。 基带处理器还被配置为提供要由集成电路外部的处理单元解调的信号。 基带处理器执行所需解调功能的任何部分或一部分。 处理单元可以是中央处理单元或图形处理单元。