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Digital iVision Labs
20,720 followers -
Tutorial, Information, Arduino, MATLAB, Electronics, Photoshop, Technology
Tutorial, Information, Arduino, MATLAB, Electronics, Photoshop, Technology

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Envelope Detection (Implementation) using Fast Fourier Transform (FFT-IFFT) (Analytic Signal)
What is an envelope? The envelope graphically is a curve which is obtained by joining the extremities of a signal in time domain. E.g. in the figure below. Upper Envelope of Amplitude modulated signal Envelope of an arbitrarily high-frequency signal (courte...
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Template Matching in Grayscale/RGB image through Normalized Phase Correlation in MATLAB
In image processing, Template Matching is a technique to match a smaller portion of an image with a template image. Or in other words, a technique to find areas in the larger image that match a smaller (template) image. So why template matching is generally...
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Taking a Screenshot (Screen Capture) using MATLAB Code
How you take a screenshot of your computer's screen till now? With the "Print Screen" key and then pasting the shot in Paint or Other software? Well, that's an old way now! You can use your MATLAB code to take a screenshot of the current screen. How? Using ...
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Access MATLAB in your Android/iOS based Mobile Phones/Tablets
MATLAB's  Mobile application is available on Google Play and iOS App store. And thus it is now very easy to access the MATLAB interface on the go! A screen grab from the configuring step of MATLAB Mobile app It gives 2 option to work with. 1. Connect remote...
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DotDot – A Universal Language for IOT by ZigBee
One of the biggest hurdles facing the spread of IoT technology is the lack of interoperability between devices from different vendors. To create a fully integrated IoT device network, we are forced to purchase equipment from a single source, that is, the sa...
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BER and SER Simulation of Non Square (Rectangular) Constellation QAM [8-QAM] in AWGN Channel
QAM (Quadrature Amplitude Modulation) is widely used in physical digital communication systems, such as WiFi enabled devices, etc. Generally, a square constellation of QAM is preferred, that is because these schemes are easy to Modulate and Demodulate. Any ...
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Smith Chart Using MATLAB.
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