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Diffstat (limited to '1895/CH5/EX5.16/EXAMPLE5_16.SCE')
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1 files changed, 28 insertions, 0 deletions
diff --git a/1895/CH5/EX5.16/EXAMPLE5_16.SCE b/1895/CH5/EX5.16/EXAMPLE5_16.SCE new file mode 100755 index 000000000..2fc504fbd --- /dev/null +++ b/1895/CH5/EX5.16/EXAMPLE5_16.SCE @@ -0,0 +1,28 @@ +//ANALOG AND DIGITAL COMMUNICATION
+//BY Dr.SANJAY SHARMA
+//CHAPTER 5
+//ANGLE MODULATION
+clear all;
+clc;
+printf("EXAMPLE 5.16(PAGENO 221)");
+
+//given
+//first case
+f_c1 = 20*10^6//carrier frequency
+f_m1 = 400//modulation frequency
+V_c = 5//carrier voltage in volts
+deltaf = 10*10^3//frequency deviation
+//second case
+f_m2 = 2*10^3//modulation frequency
+
+//calculations
+w_c1 = 2 *%pi *f_c1//angular carrier freqency
+w_m1 = 2 *%pi *f_m1//angular carrier freqency
+m_f1 = deltaf/f_m1//modulation index for first case
+m_f2 = deltaf/f_m2//modulation index for second case
+
+//results
+//standard format of fm and pm equations are
+//s(t) = V_c8sin(w_c*t + m_f*sin(w_m*t))
+printf("\n\n(i)FM wave:s(t) = 5*sin(1.25*10^8*t + 25*sin(2513*t)");
+printf("\n\n(ii)PM wave:s(t) = 5*sin(1.25*10^8*t + 25*sin(2513*t)");
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