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If the signals have single frequency component or similar frequency component then there should be how many basis function? a. Infinity O b. TWO O c. one O d. Zero
Comparison of MSK and QPSK scheme shows that? Оа. a. MSK requires less power O b. NO comparison O c. filtering is simple in MSK O d. QPSK requires less power
Tone modulation is a I 1 EL 21 modulation? a. Indicating Modulator O b. Both O c. None of the given O d. Distributive modulator
In NTSC television, the video baseband is the video band occupying? O a. 0-3.3 MHz O b. 0- 3.5 kHz OC 0-5.3 MHz . O d. 0-4.3 MHz
If the peak value of signal is 25 and rms value of the signal is 15 then the crest factor is equal to? O a. 1.66 O b. 1 O c.0.6 O c O d. 375
In order to enable efficient power radiation using antennas of requires? for long haul communication over a radio link modulation Оа. reasonable dimensions O b. reasonable quality O c. reasonable cost O d. reasonable gain
BPSK is dimensional modulation? O a. two O b. Three Ocone O d. four
If the inner product of two signals is ---then the signal we called as orthogonal signals? O a. any number O b. zero O c. one O d. constant
Indicate which of the following system is digital? a. pulse position modulation O b. Pulse frequency modulation O C. Pulse Code Modulation O d. Pulse width modulation system
Bandwidth of BFSK is equal to? O a. 16fb O b. 2fb O c. 4fb O d. 8fb