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    • 5. 发明申请
    • Receiver and method for concurrent receiving of multiple channels
    • 用于同时接收多个信道的接收机和方法
    • US20060189291A1
    • 2006-08-24
    • US10548773
    • 2004-03-05
    • Michael Pugel
    • Michael Pugel
    • H04B1/10
    • H04B1/0025H03D3/006H04B1/28H04N5/4401H04N5/50
    • A signal receiving apparatus provides a flexible architecture for single or multiple channel reception capability. According to an exemplary embodiment, the signal receiving apparatus includes a front-end processor and one or more channel recovery elements. The front-end processor includes an A/D converter, a demultiplexer, and one or more filters. The A/D converter receives analog RF signals and converts the analog RF signals to digital RF signals. The demultiplexer Decimates the digital RF signals to generate decimated RF signals. The one or more filters filter the decimated RF signals to generate filtered RF signals. The one or more channel recovery elements process the filtered RF signals to provide baseband signals corresponding to one or more frequency channels.
    • 信号接收装置提供用于单信道或多信道接收能力的灵活架构。 根据示例性实施例,信号接收装置包括前端处理器和一个或多个信道恢复元件。 前端处理器包括A / D转换器,解复用器和一个或多个滤波器。 A / D转换器接收模拟RF信号,并将模拟RF信号转换为数字RF信号。 解复用器对数字RF信号进行抽取以产生抽取的RF信号。 一个或多个滤波器对抽取的RF信号进行滤波以产生经滤波的RF信号。 一个或多个信道恢复元件处理滤波的RF信号以提供对应于一个或多个频率信道的基带信号。
    • 8. 发明申请
    • Multi-channel satellite signal receiving apparatus
    • 多声道卫星信号接收装置
    • US20060190967A1
    • 2006-08-24
    • US10548635
    • 2004-03-05
    • Michael Pugel
    • Michael Pugel
    • H04N7/20
    • H04H40/90H04N7/20
    • A multi-channel satellite signal receiving apparatus is capable of simultaneously providing broadcast programs from a plurality of different sets of transponders in a satellite broadcast system. According to an exemplary embodiment, the multi-channel satellite signal receiving apparatus includes an input operative to receive input signals via a single cable from a predetermined frequency band having a first sub-band and a second sub-band. The first sub-band includes first signals which previously exhibited a first polarization provided from a first set of transponders, and the second sub-band includes second signals which previously exhibited a second polarization provided from a second set of transponders. Signal processing circuitry is operative to simultaneously provide a plurality of digital transport streams corresponding to the first and second sets of transponders responsive to the first and second signals.
    • 多频道卫星信号接收装置能够在卫星广播系统中同时从多个不同组的应答器提供广播节目。 根据示例性实施例,多声道卫星信号接收装置包括用于经由单个电缆从具有第一子带和第二子带的预定频带接收输入信号的输入。 第一子带包括先前表现出从第一组转发器提供的第一极化的第一信号,并且第二子带包括先前表现出从第二组转发器提供的第二极化的第二信号。 信号处理电路可操作以响应于第一和第二信号同时提供对应于第一和第二组应答器的多个数字传输流。
    • 10. 发明申请
    • Apparatus and Method for Processing Signals in a Multi-Channel Receiver
    • 用于在多声道接收机中处理信号的装置和方法
    • US20070242158A1
    • 2007-10-18
    • US11628542
    • 2004-06-08
    • Michael Pugel
    • Michael Pugel
    • H04N3/27
    • H04N5/4446H03J1/0083H04B1/28H04N5/44
    • Signal processing apparatus suitable for performing front-end signal processing in a multi-channel receiving device such as a multi-channel television signal receiver utilizes a cost-effective and scaleable architecture. According to an exemplary embodiment, the signal processing apparatus includes an RF signal source operative to generate first and second RF signals responsive to user channel selection. A first IF generator is operative to generate a first IF signal corresponding to the first RF signal responsive to the user channel selection. A second IF generator is operative to generate a second IF signal corresponding to the second RF signal responsive to the user channel selection. The first IF signal exhibits a predetermined frequency relationship relative to the second IF signal
    • 适用于在诸如多声道电视信号接收机之类的多声道接收装置中执行前端信号处理的信号处理装置利用成本有效和可扩展的架构。 根据示例性实施例,信号处理设备包括RF信号源,其用于响应于用户信道选择产生第一和第二RF信号。 响应于用户信道选择,第一IF发生器用于产生对应于第一RF信号的第一IF信号。 响应于用户信道选择,第二IF发生器用于产生对应于第二RF信号的第二IF信号。 第一IF信号相对于第二IF信号呈现预定的频率关系