Digital Communications Direct Sequence And Frequency Hopping Online Exam Quiz
Digital Communications Direct Sequence And Frequency Hopping GK Quiz. Question and Answers related to Digital Communications Direct Sequence And Frequency Hopping. MCQ (Multiple Choice Questions with answers about Digital Communications Direct Sequence And Frequency Hopping
Which modulation scheme is preferred for direct sequence spread spectrum process?
Options
A : BPSK
B : QPSK
C : BPSK & QPSK
D : None of the mentioned
Which type of demodulator is used in the frequency hopping technique?
Options
A : Coherent
B : Non coherent
C : Coherent & Non coherent
D : None of the mentioned
DS/BPSK includes
Options
A : Despreading
B : Demodulation
C : Despreading & Demodulation
D : None of the mentioned
In direct sequence process which step is performed first?
Options
A : De-spreading
B : Demodulation
C : Despreading & Demodulation
D : None of the mentioned
In which technique is phase coherence hard to maintain?
Options
A : Direct sequence
B : Frequency hopping
C : Direct sequence & Frequency hopping
D : None of the mentioned
Which system allows larger processing gain?
Options
A : Direct sequence
B : Frequency hopping
C : Direct sequence & Frequency hopping
D : None of the mentioned
The frequency hopping system uses ______ modulation scheme.
Options
A : FSK
B : BPSK
C : MFSK
D : MPSK
Which duration is shorter?
Options
A : Hop duration
B : Symbol duration
C : Chip duration
D : None of the mentioned
The minimum spacing between consecutive hop positions gives the
Options
A : Minimum number of chips necessary
B : Maximum number of chips necessary
C : Chip rate
D : None of the mentioned
Chips are the
Options
A : Repeated symbols
B : Non repeated symbols
C : Smallest length symbols
D : None of the mentioned
Chemical Engineering Basics - Part 1 more Online Exam Quiz
Digital Communications Correlative Coding
Digital Communications Cyclic Codes And Linear Block Codes
Digital Communications Digital Bandpass Modulation Techniques
Digital Communications Digital Communication
Digital Communications Digital Communication System
Digital Communications Diversity Technique And Rake Receivers
Digital Communications Effects Of Fading And Decision Theory
Digital Communications Entrance Exams