diff options
Diffstat (limited to '2409/CH9/EX9.5')
| -rwxr-xr-x | 2409/CH9/EX9.5/Ex9_5.sce | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/2409/CH9/EX9.5/Ex9_5.sce b/2409/CH9/EX9.5/Ex9_5.sce new file mode 100755 index 000000000..d056d5cf3 --- /dev/null +++ b/2409/CH9/EX9.5/Ex9_5.sce @@ -0,0 +1,23 @@ + +//Variable Declaration + +n=24 //Number of channels +g=13.57 //Peak/rms factor(dB) +b=3.1 //Channel Bandwidth(kHz) +P=4 //Emphasis improvement (dB) +W=2.5 //Noise weighting improvement(dB) +CNR=25 //Carrier to noise ratio (dB) +delFrms=35 //rms value of Peak Deviation(kHz) +fm=108 //Baseband frequency (kHz) +//Calculation + +L=10**((-1+4*log10(n))/20) +g=10**(g/20) //Converting process gain to ratio +delF=g*delFrms*L //Peak Deviation(Hz) +BIF=2*(delF+fm) //Signal Bandwidth(kHz) by Carson's rule +Gp=(BIF/b)*((delFrms/fm)**2) //Processing Gain +Gp=10*log10(Gp) //Converting Gp to dB +SNR=CNR+Gp+P+W //Signal to noise ratio for top channel in 24-channel FDM basseband signal + +//Results +printf("Signal to noise ratio for top channel in 24-channel FDM Baseband signal is %.1f db", SNR) |