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SIMULATION OF ERRORS IN FLOATING-POINT DSP CALCULATIONS

Vilmos Pálfi, István Kollár
  • Abstract:
    Quantization errors like ADC errors and roundoff errors are similar in the sense that they are difficult to analyze and predict, and therefore need careful tests/measurements. This paper discusses the possibilities of the simulation of single-precision floating-point roundoff errors. It illustrates the examination of the error and discusses it in one of the most common signal processing procedures, the fast Fourier Transform. It shows a case when spurious spectral peaks appear due to roundoff error.
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  • DOI:
    _unreg_tc4-2010.122

Event details:

  • IMEKO TC:
    TC4
  • Event name:
    Instrumentation for the Information and Communication Technology Era
  • Title:
    XVIIth IMEKO TC4 Symposium & 15th International Workshop on ADC Modelling and Testing (together with 3rd IMEKO TC19 Symposium)
  • Place:
    Kosice, SLOVAKIA
  • Time:
    08 September 2010 - 10 September 2010