Multiple Choice
When an antenna radiates more energy in one direction than in other directions, it is called_________
A) selectivity
B) directivity
C) active antenna
D) resonance
Correct Answer:

Verified
Correct Answer:
Verified
Q13: What is the other name for half-wave
Q14: The signals which are obtained by encoding
Q15: Vocoders analyse the speech signals at<br>A)transmitter<br>B)receiver<br>C)channel<br>D)if filter
Q16: The real part of an antenna's input
Q17: Which of the following pronunciations lead to
Q19: In PCM encoding, quantization level varies as
Q20: Vocoders_ the voice at the receiver.<br>A)analyse<br>B)synthesize<br>C)modulate<br>D)evaluate
Q21: Which of the following is not a
Q22: Adaptive DPCM is used to<br>A)increase bandwidth<br>B)decrease bandwidth<br>C)increase
Q23: DPCM encodes the PCM values based on<br>A)quantization