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Method and system of dynamically controlling shaping time of a photon counting energy-sensitive radiation detector to accommodate variations in incident radiation flux levels

  • US 7,330,527 B2
  • Filed: 12/04/2006
  • Issued: 02/12/2008
  • Est. Priority Date: 09/10/2004
  • Status: Active Grant
First Claim
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1. A photon counting (PC) radiographic system comprising:

  • a radiographic energy detector configured to detect radiographic energy having a given flux rate and a signal to noise ratio (SNR) and output electrical signals indicative of the detected radiographic energy;

    a PC channel connected to receive the electrical signals and sample the electrical signals in a sampling window and provide a photon count output; and

    a control operationally connected to the PC channel and configured to automatically adjust the sampling window and the SNR at least as a function of the given flux rate.

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