This article is part of the book Digital Modulations using Matlab : Build Simulation Models from Scratch For a given modulation technique, there are two ways to implement the simulation…

# GaussianWaves Posts

Pre-requisites Sampling theorem – baseband sampling How to Interpret FFT results – complex DFT, frequency bins and FFTShift Analytic signal, Hilbert Transform and FFT Extracting instantaneous amplitude,phase,frequency – application of…

Read More Phase demodulation using Hilbert transform – application of analytic signal

Pre-requisites Sampling theorem – baseband sampling How to Interpret FFT results – complex DFT, frequency bins and FFTShift Analytic signal, Hilbert Transform and FFT Related topic: Phase demodulation using Hilbert…

Pre-requisites Sampling theorem – baseband sampling How to Interpret FFT results – complex DFT, frequency bins and FFTShift Related topic: Analytic signal, Hilbert Transform and FFT Extracting instantaneous amplitude,phase,frequency –…

“What is the best filter that I should use?” is often the question asked by many. There exists two different types of Linear Time Invariant (LTI) filters from transfer function standpoint…

Read More Choosing a filter – FIR or IIR – Understanding the design perspective

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Read More Foundations of Signal Processing – Martin Vetterli, Jelena Kovacevic, and Vivek K Goyal

The author, Floyd M. Gardner an influential expert in the area of PLLs, has presented a good reference book that encompasses all the theoretical and mathematical concepts for the phase…

Read More Phaselock Techniques – Floyd M. Gardner [Book review]

Tapped-delay line filters (basically FIR filters) are best to simulate multiple echoes originating from same source. Hence they can be used to model multipath scenarios. Choose frequency-flat or frequency selective: If the…

Read More Modeling a Frequency Selective Multipath Fading channel using TDL filters

Generation of random variables with required probability distribution characteristic is of paramount importance in simulating a communication system. Here, I will demonstrate how we can generate a simple random variable, estimate &…

Read More How to use Histogram function in Matlab to plot the estimated PDF curve

This tutorial is a part of the website http://www.gaussianwaves.com and created under Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. You must credit the author in your work if you remix, tweak,…

Read More OFDM and Cyclic Prefix – a handson demonstration using Matlab

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