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Matlab Examples – Envelope Detection

Below is a video I posted at YouTube on Envelope Detection to Demodulate Amplitude Modulation (or Double Sideband Demodulation). Envelope detection can be modeled as a multiplication of a pulse train and the message followed by a low pass filter. Some of the links in the post above are “affiliate links.” This means if you [...] . . . → Read More: Matlab Examples – Envelope Detection

Matlab Examples – Generating AM from a Sampled Signal

Here is an example on how to generate an AM signal from a Sampled Signal: Some of the links in the post above are “affiliate links.” This means if you click on the link and purchase the item, we will receive an affiliate commission. Regardless, we only recommend products or services we believe will add [...] . . . → Read More: Matlab Examples – Generating AM from a Sampled Signal

Matlab Examples – Amplitude Demodulation using Coherent Detection

My previous post talked about modulating the amplitude of the carrier to embed a message signal. The demo uses Simulink found in Matlab. Here, I will show how we can recover our transmitted message using synchronous detection (coherent or homodyne detection). Synchronous detection does not waste any energy in the carrier when there is no [...] . . . → Read More: Matlab Examples – Amplitude Demodulation using Coherent Detection

Matlab Examples: Amplitude Modulation using Simulink

Here is an example of using Matlab to demonstrate Amplitude Modulation. The demo does not provide any mathematical background. However, you can visually see what the concept of amplitude modulation is all about. There are two types of modulation scheme: Double sideband Suppressed Carrier AM (DSB-SC AM) and Double Sideband Large Carrier AM (DSB-LC AM). [...] . . . → Read More: Matlab Examples: Amplitude Modulation using Simulink