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72 results

Mark Newman
Why the DFT is necessary

This video looks at the differences between the DFT (Discrete Fourier Transform) and the FT (Fourier Transform) and why the DFT ...

0:54
Why the DFT is necessary

16,102 views

2 years ago

Mark Newman
Unraveling the Secrets of Twiddle Factors in the FFT

Twiddle Factors play a crucial role in the Fast Fourier Transform (FFT) algorithm. They are the workhorses of the algorithm, acting ...

0:57
Unraveling the Secrets of Twiddle Factors in the FFT

16,454 views

2 years ago

Mark Newman
What is the Inner Butterfly in the FFT

The #FFT is so efficient because it breaks the problem down into little bits and performs the same 2-point #DFT calculation on ...

0:57
What is the Inner Butterfly in the FFT

11,148 views

2 years ago

EngMicroLectures
05 - Discrete Fourier Transform

A brief overview of the Discrete Fourier Transform (DFT) and its properties. This lecture is adapted from the ECE 410: Digital ...

4:53
05 - Discrete Fourier Transform

957 views

14 years ago

Mark Newman
Calculating Twiddle Factors in the FFT

Twiddle Factors play a crucial role in the Fast Fourier Transform (FFT) algorithm by helping to combine and manipulate the ...

0:55
Calculating Twiddle Factors in the FFT

10,969 views

2 years ago

Xavier Serra
2T2 DFT 2

Course on Audio Signal Processing for Music Applications.

16:06
2T2 DFT 2

416 views

5 years ago

EC8553 - DTSP Autonomous
PART2 DFT

MATRIX METHOD FOR DFT COMPUTATION, IDFT, DERIVE DFT FROM DTFT.

17:54
PART2 DFT

116 views

5 years ago

WIT Solapur - Professional Learning Community
Discrete Fourier Transform(DFT)

Mr. K. R. Biradar Assistant Professor Electronics & Telecommunication Engg. Dept. Walchand Institute of Technology Solapur.

13:59
Discrete Fourier Transform(DFT)

219 views

6 years ago

Shrikrishna Kolhar
DFT Implementation in MATLAB

This video explains some of the basics of DFT, formulae of DFT and IDFT in terms of exponential as well as twiddle factor.

13:42
DFT Implementation in MATLAB

77,020 views

9 years ago

Digital communications
OFDM: Creating DC with the IDFT (0003)
1:55
OFDM: Creating DC with the IDFT (0003)

3,454 views

9 years ago

Digital communications
OFDM: Creating the lowest frequency with the IDFT (0004)
4:50
OFDM: Creating the lowest frequency with the IDFT (0004)

2,700 views

9 years ago

Darryl Yong
Computational Cost of Discrete Fourier Transform
0:32
Computational Cost of Discrete Fourier Transform

109 views

4 years ago

akhtar nadaf
computation of DFT

DFT, Discrete Fourier transform is a mathematical tool used to obtain frequency content of digital signal.

9:21
computation of DFT

6,871 views

9 years ago

EC8553 - DTSP Autonomous
DIF FFT Algorithm

... algorithm X of K is decimated into smaller sequences we know that DFT of X of n is given by X of K before a plane decimation to ...

8:12
DIF FFT Algorithm

27 views

5 years ago

WIT Solapur - Professional Learning Community
Divide and Conquer Approach for DFT

Mr. Prasahnt Shivasharan Malge Assistant Professor Department of Electronics Engineering Walchand Institute of Technology, ...

14:54
Divide and Conquer Approach for DFT

9,016 views

5 years ago

Dr Ashwini Deshpande
3. DIT FFT- 1st Stage Decimation

First stage of decimation process in 8-point DIT-FFT Algorithm.

11:24
3. DIT FFT- 1st Stage Decimation

429 views

5 years ago

WIT Solapur - Professional Learning Community
Properties of the DFT

Dr.Rajendra Ramprasad Dube Professor Electronics & Communication Engineering Walchand Institute of Technology, Solapur.

11:29
Properties of the DFT

692 views

7 years ago

Bart Massey
PSU CS 410P/510 Sound: The Discrete Fourier Transform

Discussion of the Discrete Fourier Transform.

11:54
PSU CS 410P/510 Sound: The Discrete Fourier Transform

38 views

5 years ago

Dr Ashwini Deshpande
1. Introduction to FFT

Introduction to FFT, DFT Vs. FFT, DFT- Computational Complexity.

10:48
1. Introduction to FFT

837 views

5 years ago

EC8553 - DTSP Autonomous
DFT PeriodicityCircularConvolution

... and x2 of K the result is another DFT x3 of K is of same length DN now to find the circular condition we know to take inverse DFT ...

8:09
DFT PeriodicityCircularConvolution

17 views

5 years ago