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Iain Explains Signals, Systems, and Digital Comms
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This channel covers essential elements of the topics Signals, Systems, and Digital Communications, which are fundamental to so much of Engineering and Modelling.

I am a Professor and an IEEE Fellow, and I'm passionate about teaching students from a practical understanding perspective.

For a full categorised list of Videos and Summary Sheets, goto: www.iaincollings.com

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11:21

Beamforming in Practice: Part 1 The Need for Calibration at 28 GHz mm-Wave

Iain Explains Signals, Systems, and Digital Comms

Shared 1 day ago

852 views

9:09

Visualising Pulse Shaping with Real Digital Communications Signals

Iain Explains Signals, Systems, and Digital Comms

Shared 2 weeks ago

1.6K views

11:01

Visualising Digital Communications: QAM with Real Signals

Iain Explains Signals, Systems, and Digital Comms

Shared 4 weeks ago

2.7K views

6:41

Visualising Receiver Noise in Digital Communications: PSK & QAM

Iain Explains Signals, Systems, and Digital Comms

Shared 1 month ago

1.3K views

10:54

Visualising Digital Modulation: ASK, FSK, BPSK, DPSK, QPSK and QAM

Iain Explains Signals, Systems, and Digital Comms

Shared 1 month ago

4.1K views

8:12

How Does a Frequency Selective Channel Affect OFDM?

Iain Explains Signals, Systems, and Digital Comms

Shared 2 months ago

1.1K views

6:15

Why are Capacitors "Short Circuits" for AC Signals?

Iain Explains Signals, Systems, and Digital Comms

Shared 3 months ago

1.3K views

11:20

Understanding Impulse Train Sampling of Discrete Time Signals

Iain Explains Signals, Systems, and Digital Comms

Shared 3 months ago

1.4K views

6:24

Why are OFDM Subcarriers Sinc Functions?

Iain Explains Signals, Systems, and Digital Comms

Shared 4 months ago

3.1K views

5:48

What are Complex Power and Power Factor?

Iain Explains Signals, Systems, and Digital Comms

Shared 5 months ago

1.7K views

5:59

What does RMS Voltage Mean?

Iain Explains Signals, Systems, and Digital Comms

Shared 5 months ago

3.1K views

13:27

What is a Discrete Fourier Transform (DFT) and an FFT?

Iain Explains Signals, Systems, and Digital Comms

Shared 6 months ago

13K views

11:08

Why is the BER the same for BPSK and QPSK?

Iain Explains Signals, Systems, and Digital Comms

Shared 6 months ago

2.8K views

4:19

Can You Double the Data Rate by Doubling Transmit Power?

Iain Explains Signals, Systems, and Digital Comms

Shared 7 months ago

1.6K views

12:36

Visualising Hybrid Beamforming Optimization

Iain Explains Signals, Systems, and Digital Comms

Shared 7 months ago

2.1K views

14:14

What is Reactive Power in Electric Circuits?

Iain Explains Signals, Systems, and Digital Comms

Shared 8 months ago

2.3K views

14:02

Convolution in 5 Easy Steps

Iain Explains Signals, Systems, and Digital Comms

Shared 8 months ago

18K views

9:28

Capacitor Equations Explained

Iain Explains Signals, Systems, and Digital Comms

Shared 9 months ago

1.3K views

7:04

Why is Instantaneous Power Flow Important?

Iain Explains Signals, Systems, and Digital Comms

Shared 10 months ago

1.3K views

5:35

Is the Sum of Two Sinusoids also a Sinusoid?

Iain Explains Signals, Systems, and Digital Comms

Shared 10 months ago

2.3K views

14:19

What is MIMO SVD Communications?

Iain Explains Signals, Systems, and Digital Comms

Shared 11 months ago

3.4K views

9:39

Convolution in the Time Domain is Equivalent to Multiplication in the Frequency Domain

Iain Explains Signals, Systems, and Digital Comms

Shared 11 months ago

6.2K views

22:33

How to Write a Grant Proposal : 4 Golden Rules

Iain Explains Signals, Systems, and Digital Comms

Shared 1 year ago

2K views

16:31

What are Voltage and Current in Electric Circuits? An Electrical Engineering Perspective.

Iain Explains Signals, Systems, and Digital Comms

Shared 1 year ago

2.5K views

7:49

Why is Doppler a Problem for OFDM?

Iain Explains Signals, Systems, and Digital Comms

Shared 1 year ago

5.3K views

0:44

Australia's First Undersea Telecommunications Cable

Iain Explains Signals, Systems, and Digital Comms

Shared 1 year ago

785 views

4:20

Why are there Two Definitions of the Sinc Function?

Iain Explains Signals, Systems, and Digital Comms

Shared 1 year ago

3.7K views

8:12

How Does a Doppler Shift Affect Digital Communications?

Iain Explains Signals, Systems, and Digital Comms

Shared 1 year ago

4.4K views

8:39

Why is a Time Shift also a Phase Rotation in Frequency?

Iain Explains Signals, Systems, and Digital Comms

Shared 1 year ago

5.8K views

17:46

LEO Satellite Networks: Brief Introduction to Communications Challenges

Iain Explains Signals, Systems, and Digital Comms

Shared 1 year ago

8.8K views

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