10 interview questions and answers on Digital communication
Explore 10 Digital communication interview questions and answers which will help interviewee pass the job interview for Digital communication Skill based positions.
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Showing 1-25 of 29 articles tagged with Digital Communication.
10 Modulation and Demodulation Interview Questions and Answers
Explore key modulation and demodulation concepts with these 10 interview Questions and Answers, covering AM, FM, PSK, QAM, and more for comms roles.
ASK Modulation in Python: Code and Explanation
Explore Amplitude Shift Keying (ASK) modulation using Python. Includes code, explanation of principles, and waveform visualizations for digital data transmission.
ASK Modulation using MATLAB: Code and Explanation
MATLAB code for Amplitude Shift Keying (ASK) modulation with plots, equations, and a guide to input and output.
Bit Error Rate (BER) Basics and Measurement Techniques
Learn about Bit Error Rate (BER), its significance in digital communication, and methods for measuring it, particularly within a VSAT system.
BPSK vs QPSK : Difference between BPSK and QPSK
This page on BPSK vs QPSK describes difference between BPSK and QPSK modulation techniques w.r.t. robustness, data rates, constellation diagrams, and power spectral density.
DPSK Modulation and Demodulation: A Comprehensive Guide
Explore DPSK modulation and demodulation techniques with block diagrams. Understand its advantages and disadvantages over BPSK, and its applications in wireless communication.
GFSK vs FSK: Understanding the Key Differences
Explore the differences between GFSK and FSK modulation techniques, focusing on spectral efficiency and applications like Bluetooth.
Modulation: Types and Applications
Modulation is key to transmitting data by varying a carrier signal's properties. Learn about analog, digital, and optical modulation techniques and their applications.
Modulator vs. Demodulator: Understanding the Difference
Explore the core differences between modulators and demodulators in telecommunications, covering analog and digital modulation techniques.
NRZ vs PAM4: Understanding the Key Differences
Explore the differences between NRZ and PAM4 modulation techniques, including levels, spectral efficiency, and applications.
ON OFF Keying (OOK) MATLAB Code
MATLAB code for ON OFF Keying (OOK) modulation, including output plots, relevant equations, and download links. OOK is a digital modulation technique.
PCM24 vs. PCM30: Key Differences Explained
Explore the distinctions between PCM24 and PCM30, including their channel structure, data rates, and applications in digital telephone systems.
PSK Modulation Implementation with Python
Explore Phase Shift Keying (PSK) modulation using Python code. Learn how to generate PSK modulated waveforms from binary data and visualize the results.
PSK vs. QAM: A Comparison of Digital Modulation Techniques
Explore the differences between PSK and QAM modulation techniques, including their principles, advantages, disadvantages, and common applications.
QPSK Modulation: Quadrature Phase Shift Keying Explained
Explore QPSK modulation: its principles, representation, constellation diagram, applications, and differences from BPSK. Includes MATLAB and Python code links.
QPSK vs MSK: Modulation Techniques Compared
Explore the key differences between QPSK and MSK modulation techniques, including phase change, amplifier requirements, bandwidth, and power spectral density.
QPSK vs. 8-PSK: A Comparative Analysis of Modulation Techniques
Explore the differences between QPSK and 8-PSK modulation techniques, including data rates, robustness, bandwidth efficiency, and applications.
QPSK vs. OQPSK vs. π/4-QPSK: Modulation Scheme Comparison
Understand the differences between QPSK, OQPSK, and π/4-QPSK modulation schemes used in wireless digital communication systems. Explore their phase transition functionalities and applications.
QPSK vs. SQPSK: Modulation Techniques Compared
Explore the differences between QPSK and SQPSK modulation, including phase shifts, amplifier requirements, and power spectral density.
Unipolar vs. Polar vs. Bipolar Line Coding: A Detailed Comparison
Explore the differences between unipolar, polar, and bipolar line coding techniques, covering their advantages, disadvantages, and applications in digital communication.
What is ADPCM: Advantages and Disadvantages
Explore advantages and disadvantages of Adaptive Differential Pulse Code Modulation (ADPCM). Learn how it improves upon delta modulation and its applications in digital communication.
What is ASK Modulation : Advantages and Disadvantages
Explore advantages and disadvantages of Amplitude Shift Keying (ASK) modulation, including bandwidth efficiency, noise susceptibility, and application suitability.
What is Delta Modulation : Advantages and Disadvantages
Explore advantages and disadvantages of Delta Modulation (DM), including its simplicity, redundancy removal, and limitations like slope overload and high bit rate.
What is GFSK Modulation : Advantages and Disadvantages
Explore the benefits and drawbacks of GFSK modulation, including its spectral efficiency, bandwidth usage, and limitations in noise sensitivity and constant envelope applications.
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