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Diffstat (limited to '1574/CH15/EX15.3/BIT_Ex_15_3.sce')
| -rwxr-xr-x | 1574/CH15/EX15.3/BIT_Ex_15_3.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/1574/CH15/EX15.3/BIT_Ex_15_3.sce b/1574/CH15/EX15.3/BIT_Ex_15_3.sce new file mode 100755 index 000000000..f510b94b1 --- /dev/null +++ b/1574/CH15/EX15.3/BIT_Ex_15_3.sce @@ -0,0 +1,17 @@ +// the Answer in the book is wrong.It is printed as 90.4 for SNR3 but it should be 100.59
+clc
+//Chapter15
+//Example15.3, page no 536
+//Given
+//a
+B1=4e3//Channel Bandwidth
+SNR1=31//Channel SNR
+C1=B1*log2(1+SNR1)//Channel Capacity
+SNR2=14//Reduced SNR
+B2=round(C1/log2(1+SNR2))//Bandwidth for reduced SNR with same Channel capacity
+
+//b
+B3=3e3//Reduced Bandwidth
+SNR3=(2^(C1/B3))-1//Signal Power for reduced bandwidth
+mprintf('a)\n Channel capacity is: %d Kbits/sec\n Bandwidth: %d KHz\nb)\n SNR for 3KHz bandwidth: %f',C1*1e-3,B2*1e-3,SNR3)
+
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