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Trending Posts

How to Calculate the Surface Area Required by Solar Panels

May 27, 2013

By Yasir Ahmed (aka John) | 69 Comments

You have estimated the size of the solar system that you need and are ready to get the equipment from...
Knife Edge Diffraction Model

November 6, 2016

By Yasir Ahmed (aka John) | 21 Comments

Diffraction is a phenomenon where electromagnetic waves (such as light waves) bend around corners to reach places which are otherwise...
Fundamentals of a Uniform Linear Array (ULA)

January 21, 2018

By Yasir Ahmed (aka John) | 29 Comments

A Uniform Linear Array (ULA) is a collection of sensor elements equally spaced along a straight line. The most common...
QAM Theoretical BER in AWGN

December 8, 2011

By Yasir Ahmed (aka John) | 41 Comments

Quadrature Amplitude Modulation (QAM) is an important modulation scheme as it allows for higher data rates and spectral efficiencies. The...
Calculation of Solar Panel Spacing for India (New Dehli)

December 2, 2017

By Yasir Ahmed (aka John) | 10 Comments

I have been asked many times that what is the area required for a solar array with a particular rating...
Bit Error Rate of QPSK

June 2, 2011

By Yasir Ahmed (aka John) | 3 Comments

Simulating a QPSK system is equivalent to simulating two BPSK systems in parallel. So there is no difference in bit...
BPSK Bit Error Rate Calculation Using Python

June 23, 2017

By Yasir Ahmed (aka John) | 4 Comments

Have you ever thought about how life would be without MATLAB. As it turns out there are free and open...
Antenna Gain and Directivity

February 8, 2012

By Yasir Ahmed (aka John) | 6 Comments

Antenna Gain and Directivity are two terms that are sometimes not that well understood. The Antenna Gain and Directivity are...
Fundamentals of a Circular Array – Mathematical Model and Code

December 17, 2018

By Yasir Ahmed (aka John) | 45 Comments

Array Factor and Element Factor In the previous post we discussed the case of a Square Array which is a...
A Comparison of FFT, MUSIC and ESPRIT Methods of Frequency Estimation

July 3, 2020

By Yasir Ahmed (aka John) | 20 Comments

As discussed in previous posts it is frequently required in communications and signal processing to estimate the frequency of a...

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