From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 851/CH5/EX5.3/Example5_3.sce | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100755 851/CH5/EX5.3/Example5_3.sce (limited to '851/CH5/EX5.3') diff --git a/851/CH5/EX5.3/Example5_3.sce b/851/CH5/EX5.3/Example5_3.sce new file mode 100755 index 000000000..ff326f5c2 --- /dev/null +++ b/851/CH5/EX5.3/Example5_3.sce @@ -0,0 +1,26 @@ +//clear// +//Caption:Signal-to-Quantization Noise Ratio of PCM +//Example5.3:Signal-to-Quantization noise ratio +//Channel Bandwidth B +clear; +clc; +n = input('Enter no. of bits used to encode:') +W = input('Enter the message signal banwidth in Hz:') +B = n*W; +disp(B,'Channel width in Hz:') +SNRo = 6*n - 7.2; +disp(SNRo,'Output Signal to noise ratio in dB:') +//Result 1 if n = 8 bits +//Enter no. of bits used to encode: 8 +//Enter the message signal banwidth in Hz: 4000 +//Channel width in Hz: 32000. +//Output Signal to noise ratio in dB: 40.8 +/////////////////////////////////////////////// +//Result 2 if n = 9 bits +//Enter no. of bits used to encode:9 +//Enter the message signal banwidth in Hz:4000 +//Channel width in Hz: 36000. +//Output Signal to noise ratio in dB: 46.8 +////////////////////////////////////////////// +//Conclusion: comparing result 1 with result 2 if number of bits increased by 1 +//corresponding output signal to noise in PCM increased by 6 dB. -- cgit