Author: behindthesciences

Communication systems play an important role in all the information transmission systems. Generally, in all the communication systems, the information in the source is processed through a modulator

In our previous posts, we have studied analog modulations such as AM and FM and we introduced PAM and PWM as an intermediate step to achieve digital modulations.

In previous posts, we have explained the theory behind the FFT and we already have practiced with the main properties of the DFT in Matlab. In this post

This tutorial explains how to create an Amplitude Modulation (AM) signal in Matlab. First thing you need to do is downloading the available code here: https://uk.mathworks.com/matlabcentral/fileexchange/56465-amplitude-modulation-am-in-time-and-frequency-domain When running the

It is my belief, you cannot deal with the most serious things in the world unless you understand the most amusing. Winston Churchill

If I had only six minutes to live, I wouldn't brood. I'd type a little faster. Isaac Asimov.

Men grind and grind in the mill of a and nothing comes out but what was put in. But the moment they desert the tradition for a spontaneous thought,

…And just like that, after a long wait, a day like any else, I decided to triumph, to look for the opportunities, not to wait. I decided to

On January 2014, more than 200 million of users demanded mobile communications services based on the 4G technology LTE (Long Term Evolution). This standard improves the performance of

Mobile network operators are constantly developing new techniques to provide better quality of service to their clients, but resources and specially the spectrum, are limited. One option that

In this post we are going to teach you how to calculate the data rate in LTE. In order to follow the process, you need todownload the 3GPP

Over the years, I have come across various security door access systems such as keypad access, magnetic strip, RFID tags and iButtons. I have found ibuttons and RFID

We, at BehindTheSciences, are great fans of the Raspberry Pi. We are also frequent users of Kodi. However we never actually tried running Kodi on the Pi. This

The latest Raspberry Pi was unveiled on the 29th of February and we decided to acquire one to try it out. Physically, the Pi 3 looks very similar

In this post we are going to explain the science behind the JPEG codification. Have a look to the following image: Figure 1. Lena JPEG Decompressed image Is it