Invention Grant
US07925231B2 Passive system and method to determine distortion in an RF satellite chain 有权
被动系统和方法来确定RF卫星链中的失真

  • Patent Title: Passive system and method to determine distortion in an RF satellite chain
  • Patent Title (中): 被动系统和方法来确定RF卫星链中的失真
  • Application No.: US11586414
    Application Date: 2006-10-25
  • Publication No.: US07925231B2
    Publication Date: 2011-04-12
  • Inventor: Eduardo Cavanagh
  • Applicant: Eduardo Cavanagh
  • Applicant Address: US CA El Segundo
  • Assignee: The DIRECTV Group, Inc.
  • Current Assignee: The DIRECTV Group, Inc.
  • Current Assignee Address: US CA El Segundo
  • Main IPC: H04B1/18
  • IPC: H04B1/18
Passive system and method to determine distortion in an RF satellite chain
Abstract:
A system 10 that is used for analyzing a broadcast system includes a receiving device 60 that generates a baseband demodulated RF signal and digitizes the RF signal to form a digitized signal. A data capture module such as the IQ monitor board 90 is coupled to the receiving device 60 for acquiring samples of the digitized signal. A computer is communication with the data capture module. The computer processes the samples of the digitized signal to obtain a broadcast system response and an inverse broadcast system response. The display generates a display corresponding to the broadcast system response and the inverse system response.
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