# Signal Acquisition and Tracking MCQ [Free PDF] – Objective Question Answer for Signal Acquisition and Tracking Quiz

1. Acquisition is a process of bringing two spreading signals into _______ alignment.

A. Fine
B. Coarse
C. Fine & Coarse
D. None of the mentioned

The acquisition is a process of bringing two spreading signals into coarse alignment with one another.

2. Tracking maintains the possible waveform ______ alignment using a feedback loop.

A. Fine
B. Coarse
C. Fine & Coarse
D. None of the mentioned

Tracking continuously maintains the best possible waveform fine alignment using a feedback loop.

3. Acquisition can be of ______ type.

A. Coherent
B. Non-coherent
C. Coherent & Non-coherent
D. None of the mentioned

The acquisition can be categorized into two types coherent and non-coherent.

4. Uncertainty in the distance between transmitter and receiver translates into uncertainty in

A. Frequency
B. Propagation delay
C. Efficiency
D. None of the mentioned

uncertainty in the distance between the transmitter and the receiver translates into uncertainty in the propagation delay.

5. Acquisition uses ______ likelihood algorithm for acquiring the code.

A. Minimum
B. Maximum
C. Minimum & Maximum
D. None of the mentioned

It considers all possible code positions in parallel and a maximum likelihood algorithm is used to acquire the code.

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6. Acquisition can be accomplished ________ as all possible codes are examined ______

A. Slowly, one by one
B. Rapidly, simultaneously
C. Slowly, simultaneously
D. Rapidly, one by one

The acquisition can be accomplished rapidly as all possible codes are examined simultaneously.

7. Matched filter does ______ search.

A. Serial
B. Parallel
C. Serial & Parallel
D. None of the mentioned

A single correlator or matched filter does a serial search.

8. How many correlators are used for despreading and code tracking functions?

A. One
B. Two
C. Three
D. None of the mentioned

The design of the code tracking function or despreading function needs only one correlator.

9. Which has a worse signal-to-noise performance?

A. Delay locked loop
B. Tau-dither loop
C. Delay locked & Tau-dither loop
D. None of the mentioned

The signal-to-noise performance of TDL is a bit worse than DDL.

10. In the case of direct CDMA, interference will occur if the PN codes are

A. Orthogonal to each other
B. Non-orthogonal to each other
C. Orthogonal & Non-orthogonal to each other
D. None of the mentioned