Understanding Impulse Train Sampling of Discrete Time Signals

Explains what happens when a discrete time signal is sampled, showing example waveforms. Sometimes this is called sub-sampling, or decimation. If you would like to support me to make these videos, you can join the Channel Membership, by hitting the "Join" button below the video, and making a contribution to support the cost of a coffee a month. It would be very much appreciated. Check out my 'search for signals in everyday life', by following my social media feeds: Facebook: https://www.facebook.com/profile.php?... Instagram:   / iainexplains   Website: http://www.iaincollings.com Related videos: (see: http://www.iaincollings.com) • Why is a Time Shift also a Phase Rotation in Frequency?    • Why is a Time Shift also a Phase Rotation ...   • Fourier Transform of Cos    • Fourier Transform of Cos   • Duality Example of Fourier Transforms    • Duality Example of Fourier Transforms   • Sampling Signals    • Sampling Signals   • What is Negative Frequency?    • What is Negative Frequency?   • What is Aliasing?    • What is Aliasing?   • Aliasing Ambiguity Explained    • Aliasing Ambiguity Explained   • How to Understand Aliasing in Digital Sampling    • How to Understand Aliasing in Digital Samp...   • Sampling Example    • Sampling Example   • Discrete Time Sampling Example:    • Discrete Time Sampling Example   • Why is the Fourier TF of a Sum of Deltas also a Sum of Deltas?    • Why is the Fourier TF of a Sum of Deltas a...   • How do Complex Numbers relate to Real Signals?    • How do Complex Numbers relate to Real Sign...   • Why are Complex Numbers written with Exponentials?    • Why are Complex Numbers written with Expon...   For a full list of Videos and Summary Sheets, goto: http://iaincollings.com