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4,692 results
i and the Fourier Transform; what do they have to do with each other? The answer is the complex exponential. It's called complex ...
32,642 views
2 years ago
What is negative frequency? Why do we need it? What have imaginary numbers got to do with it? Is it a physical phenomenon or ...
11,873 views
1 year ago
Feeling unsure how to use the FFT's puzzling list of complex numbers that it gives you in its output? Don't worry, you're not alone!
1,265 views
3 months ago
Why is i the square root of minus one? How can any number squared ever be negative? Any minus number multiplied by itself ...
16,382 views
Convolution and the Fourier Transform go hand in hand. The Fourier Transform uses convolution to convert a signal from the time ...
30,771 views
Now we begin our journey into the actual maths of the Fourier Transform. Throughout the course, we'll be using sound to ...
25,902 views
4 years ago
The #CircleOfFifths is a visual representation of the relationships between the 12 tones of the chromatic scale as used in western ...
2,022,013 views
8 years ago
These are videos from the Introduction to Complexity online course hosted on Complexity Explorer. You will learn about the tools ...
4,936 views
5 years ago
Unsure how to use the FFT to get meaningful results from your data? Join me as I unveil 3 crucial signal preparation tips to ensure ...
4,183 views
If you've ever looked at the magnitude spectrum of a signal after performing an FFT, you'll notice that it is symmetrical about a very ...
12,258 views
Are you a budding engineer dreaming of a career creating and inventing? Is the maths holding you back? I'm Mark Newman, an ...
24,801 views
3 years ago
In order to describe the Fourier Transform, we need a language. That language is the language of complex numbers. Complex ...
1,753,449 views
7 years ago
Ask any mathematician why the Fourier Transform of a signal produces a magnitude spectrum containing negative frequencies, ...
7,854 views
Before looking into the maths of the Fourier Transform, we begin with three 5 minute videos on Fourier himself. Who was the man ...
28,666 views
The output of the FFT is just a list of complex numbers. But, we are used to seeing the FFT of a signal represented as a graph of ...
17,168 views
The output of the FFT can be quite confusing. All you are presented with is a list of complex numbers that, at first glance, don't tell ...
15,784 views
Before delving into the maths of the Fourier Transform, we continue with the third of three 5 minute videos on Fourier himself.
22,521 views
Transcript: Hello, and welcome to interventional services UK HealthCare. Interventional procedures are less invasive alternatives ...
1,576 views
This is a preview of the fourth in this series of videos which take a new and visual look at the maths behind the magic of how the ...
66,768 views
Tired of having to make sure your signal contains a specific number of samples (power of 2)? Learn how to use the FFT with ...
1,230 views