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-rwxr-xr-x116/CH6/EX6.4/exa6_4.sce64
1 files changed, 30 insertions, 34 deletions
diff --git a/116/CH6/EX6.4/exa6_4.sce b/116/CH6/EX6.4/exa6_4.sce
index 314e151dd..31bf871f9 100755
--- a/116/CH6/EX6.4/exa6_4.sce
+++ b/116/CH6/EX6.4/exa6_4.sce
@@ -1,35 +1,31 @@
-
-//Caption: Program to determine system gain of 10Mbps, 2Ghz digital microwave repeater using 4 PSK modulation
-
-//Example 6.4
-
-//Page 325
-
-//Refer to figure 6.17 on page 300
-
-disp('From figure, Eb/N0 for 4 psk modulation can be determined 10.7 dB.')
-
-//Using equation 3.24 from Appendix C
-
-disp('SNR detector is 3dB higher than Eb/N0, therefore')
-
-snr=13.7//SNR=13.7dB
-
-disp('Since 4 PSK modulation provides 2bps/Hz, the sampling rate is 5 MHz, which is Nqyuist rate, therefore')
-
-a1=10*log10(125000000000000)
-
-a2=10*log10(1.3)
-
-A0=a1-13.7-7-3-a2
-
-disp('At a carrier frequency of 2GHz, the wavelength is')
-
-(3*10^8)/(2*10^9)
-
-FM=116+60+20*log10(0.15)-5-20*log10(4*%pi*5*10^4)//Fade Margin can be found by Equation 6.31
-
-//Result
-//A0 = 116dB
-//wavelength = 0.15 m
+
+
+//Example 6.4
+
+//Page 325
+
+//Refer to figure 6.17 on page 300
+
+
+disp('SNR detector is 3dB higher than Eb/N0, therefore')
+
+snr=13.7//SNR=13.7dB
+
+disp('Since 4 PSK modulation provides 2bps/Hz, the sampling rate is 5 MHz, which is Nqyuist rate, therefore')
+
+a1=10*log10(125000000000000)
+
+a2=10*log10(1.3)
+
+A0=a1-13.7-7-3-a2
+
+disp('At a carrier frequency of 2GHz, the wavelength is')
+
+(3*10^8)/(2*10^9)
+
+FM=116+60+20*log10(0.15)-5-20*log10(4*%pi*5*10^4)//Fade Margin can be found by Equation 6.31
+
+//Result
+//A0 = 116dB
+//wavelength = 0.15 m
//Fade Margin = 38.5 dB \ No newline at end of file