raqamlialoqa

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Updated Dec 2025

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powerpoint presentation raqamli aloqa chastota siljishini boshqarishni simulyatsiyalash toshkent - 2023 fsk block diagram unipolar binary sequence (message) oscillator zero ask modulated signal switch ~ ~ oscillator one > >> mathematical expressions: time domain waves modulating signal - carrier signals - , and are the amplitude and the frequency of the carrier signals. modulated signal - matlab code matlab code matlab code task n modulating data carrier signal parameters (t, - rad) n modulating signal carrier signal parameters (t, - rad) 1 surname fc1=5; fc2=3.2; 2 surname cos(x) fc1=10; fc2=8.2; 3 surname cos(x) fc1=6; fc2=4.2; 4 surname fc1=11; fc2=7.2; 5 surname fc1=7; fc2=5.2; 6 surname cos(x) fc1=12; fc2=6.2; 7 surname cos(x) fc1=8; fc2=6.2; 8 surname fc1=13; fc2=5.2; 9 surname fc1=9; fc2=7.2; 10 surname cos(x) fc1=14; fc2=4.2; 11 surname fc1=15; fc2=7.2; 12 surname cos(x) fc1=11; fc2=5.2; 13 surname cos(x) fc1=16; fc2=6.2; 14 surname fc1=12; fc2=4.2; 15 surname fc1=17; fc2=5.2; 16 surname …

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28 b kkkkkkkkkkkkkkkk >>>>>>>>>>>>>>>>>>>) cle, clear ell, close all; g teeeueaneeeuraraera digital/binary input information **#*teraraecenaxaees| % binary information as stream of bits (binary signal 0 or 1) x = input (‘enter digital input information = '); n = length (x); to = 0.0001; data rate = imhz i.e., bit period (second) disp(‘binary input information at transmitte: disp (x): & *eeekeeekeaer represent input information as digital signal **#***skssex4! nb = 100. % digital signal per bit digit = 0 for n= 1:l:n af xin) == 1 sig = ones (1,nb) else x(n) == 9 sig = zeros (1,nb); end digit - [digit sig]; end tl = tb/nb:tb/nb:nb*n* (tb/nb); & time period figure ('name', 'fsx modulation and demodulation', 'numbertitle', 'off"); subplot (3,1,1) plot (ti,digit, 'linewidth',2.5); grid on; axis([0 tb*n -0.5 1.5] xlabel (‘time (sec) "); ylabel (‘amplitude (volts) ") title('digital input signal"); 29 30 31 32. 33 34 35, 36 37 38 …

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78 9 80 el 82 83 84 es 86 87 ee ce 90 a1 92 93 94 95 96 7 98. barak arr er rrrerrrrerrrrerrrr psk demodulation ***** #888008 e er r eere re rrr rr s = length (t2); demoed = [] for n = sts:length(y) 4 = tb/nb:tb/nb:tb; = time period el = cos(2*pi*fel*t4): % carrier signal for binary value '1' 2 = cos(2*pi*fo2*t4): % carrier siignal for binary value '0' mel = cl.*y((n-(s-1)) % convolution me2 = c2.*y((n-(s-1))in); — & convolution t8 = tb/nb:tb/nb: tb, zl = trapz(t5,mel! % intregation 22 = trapz(ts,me2); & intregation zl = round (2*z1/tb) round (2*22/tb) + af(xz1 > ac/2) % logical condition 22 elsel(rz2 > ac/2) end demoed = [demod a]: end disp(‘demodulated binary information at receiver: ') disp (demod) ; % *eeeeeeee* represent demodulated information as digital signal *#**+#*+#* digit forn if demed(n) ze sig = ones(1,nb); else demod(n) == …

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powerpoint presentation raqamli aloqa chastota siljishini boshqarishni simulyatsiyalash toshkent - 2023 fsk block diagram unipolar binary sequence (message) oscillator zero ask modulated signal switch ~ ~ oscillator one > >> mathematical expressions: time domain waves modulating signal - carrier signals - , and are the amplitude and the frequency of the carrier signals. modulated signal - matlab code matlab code matlab code task n modulating data carrier signal parameters (t, - rad) n modulating signal carrier signal parameters (t, - rad) 1 surname fc1=5; fc2=3.2; 2 surname cos(x) fc1=10; fc2=8.2; 3 surname cos(x) fc1=6; fc2=4.2; 4 surname fc1=11; fc2=7.2; 5 surname fc1=7; fc2=5.2; 6 surname cos(x) fc1=12; fc2=6.2; 7 surname cos(x) fc1=8; fc2=6.2; 8 surname fc1=13; fc2=5.2; 9 surname fc1=9...

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