MCQ
Mostly Asked Communication Systems MCQs with Answers & Explanations
1. Nyquist Sampling Theorem The minimum sampling rate for a signal of bandwidth B B Hz is: A) B B B) 1 / B 1/B C) …
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September 09, 2025
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digital communication
Digital signal processing
Understanding the difference between Aperture effect and Aliasing in digital communication
Aliasing and aperture effect are both related to the process of sampling an analog signal and converting it into a digi…
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May 05, 2023
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information coding
Understanding Source and Channel Coding for Efficient Data Transmission
Information transmission is a complex process that involves several steps, and two of the most critical steps are sourc…
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March 31, 2017
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what is frequency hopping
Frequency Hopping Spread Spectrum: Fast vs slow
Frequency hopping spread spectrum ( FHSS ) is a method of transmitting radio signals by hopping or shifting carrier sig…
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November 21, 2016
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digital communication
Performing Pulse Code Modulation and Demodulation using MATLAB Code
This is a MATLAB code for performing Pulse Code Modulation (PCM) on an analog signal. The code generates an analog sign…
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October 13, 2016
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digital communication
What do you mean by Constellation Diagrams in Communication Systems?
A constellation diagram is a graphical representation of a signal modulated by a digital modulation scheme such as quad…
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October 13, 2016
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theorem
Sampling Theorem Statement
Sampling theorem state that the bandpass signal x(t) whose maximum bandwidth is 2w can be completely represented into…
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October 12, 2016
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digital communication
Comparison of PCM, DM, and ADM: Which one is the best for digital communication?
When the analog signal is sampled, it can be quantized and encoded by any one of the following techniques- …
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October 12, 2016
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signalling
Digital signal processing: A brief Introduction
A signal is formally defined as a function of one or more independent variables that conveys information on the natur…
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August 31, 2016
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