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The probability density function of the amplitude of a stationary random signal X(t) is shown below.The samples of this random signal are applied to an 8-level uniform quantizer. The decision boundaries of the quantizer are set at x=0,±1,±2,±3,±4 and the quantization levels are set at the center of the two adjacent boundaries. The signal power-to-quantization noise power ratio at the output of the quantizer is__________ dB.17.16

Answer» The probability density function of the amplitude of a stationary random signal X(t) is shown below.



The samples of this random signal are applied to an 8-level uniform quantizer. The decision boundaries of the quantizer are set at x=0,±1,±2,±3,±4 and the quantization levels are set at the center of the two adjacent boundaries. The signal power-to-quantization noise power ratio at the output of the quantizer is__________ dB.
  1. 17.16


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