Question 1

The minimum nyquist bandwidth for the rectangular spectrum in raised cosine filter is

Accepted Answer

A) 2t 
B) 1/2t 
C) t2 
D) 2/t 
A) 2t 
B) 1/2t 
C) t2 
D) 2/t

Question 2

If each pulse of the sequence to be detected is in_________shape, the pulse can be detected without ISI.

Accepted Answer

A) sine 
B) cosine 
C) sinc 
D) none of the mentioned 
A) sine 
B) cosine 
C) sinc 
D) none of the mentioned

Question 3

In QAM, the amplitude is_________    and phase is_________

Accepted Answer

A) varied, constant 
B) varied, varied 
C) constant, varied 
D) constant, constant 
A) varied, constant 
B) varied, varied 
C) constant, varied 
D) constant, constant

Question 4

The power efficiency of the M ary PSK decreases because of the_________

Accepted Answer

A) freely packed constellation 
B) increment of bandwidth efficiency 
C) fixed null bandwidth 
D) densely packed constellation 
A) freely packed constellation 
B) increment of bandwidth efficiency 
C) fixed null bandwidth 
D) densely packed constellation

Question 5

ISI is_________      by increasing channel bandwidth.

Accepted Answer

A) maximized 
B) minimized 
C) zero 
D) infinite 
A) maximized 
B) minimized 
C) zero 
D) infinite

The minimum nyquist bandwidth for the rectangular spectrum in raised cosine filter is

If each pulse of the sequence to be detected is in_________shape, the pulse can be detected without ISI.

In QAM, the amplitude is_ and phase is_

The power efficiency of the M ary PSK decreases because of the_________

ISI is_________ by increasing channel bandwidth.

Modulation and Demodulation Techniques

Information Theory and Communication Techniques

Waveform Logic, Pcm Encoding, Vocoder Analysis, and Antenna Radiations

Microwave Communication and Modulation

Signal Filtering and Equalization Techniques

Information Theory and Coding Techniques

Channel Coding and Error Correction Techniques

Algorithms and Techniques for Communication System Security and Error Correction

Modulation Schemes and Access Techniques for Spread Spectrum Systems

Digital and Analog Telecommunications Standards

Filters

Exam 5: M-Ary Signalling and Pulse Shaping Techniques

The minimum nyquist bandwidth for the rectangular spectrum in raised cosine filter is

If each pulse of the sequence to be detected is in_________shape, the pulse can be detected without ISI.

In QAM, the amplitude is_________ and phase is_________

The power efficiency of the M ary PSK decreases because of the_________

ISI is_________ by increasing channel bandwidth.

Modulation and Demodulation Techniques

Information Theory and Communication Techniques

Waveform Logic, Pcm Encoding, Vocoder Analysis, and Antenna Radiations

Microwave Communication and Modulation

Signal Filtering and Equalization Techniques

Information Theory and Coding Techniques

Channel Coding and Error Correction Techniques

Algorithms and Techniques for Communication System Security and Error Correction

Modulation Schemes and Access Techniques for Spread Spectrum Systems

Digital and Analog Telecommunications Standards

Filters

In QAM, the amplitude is_ and phase is_