Name: Lecture 4: Complex form of Fourier Series and the Energy of Signal @bahgalabiitdelhi7797
Uploaded: 2020-04-02T01:29:31-0400
Duration: 8 min 17 s
Description: In this lecture, we look at the complex form of Fourier series. We also discuss concepts of power spectrum, energy of a signal, and Parsevals (or Rayleighs) identity.

Lecture 14: Discrete Fourier Transform (DFT) and its Relation to Fourier Series @bahgalabiitdelhi7797

Uploaded August 2020 | Updated September 2026, 5 hours ago

In this lecture, we introduce the Discrete Fourier Transform (DFT) for spectral analysis of discrete signals. We show that DFT is analogous to the Fourier Series, but for discrete samples. Thereafter, we discuss the evaluation of DFT using matrix multiplication.

Lecture 14: Discrete Fourier Transform (DFT) and its Relation to Fourier Series

Lecture 25:More on Second Law of Thermodynamics, Entropy Generation & Relation of Entropy & Disorder

Lecture 2: Why is thermodynamics important? With an example of rocket engine

Lecture 13: Diffusion (Part 1, Random Walk Model)

Lecture 12: Filtering and Convolution. Highpass, bandpass, and notch filters

Lecture 18: Need for Second Law of Thermodynamics with examples (Engineering Thermodynamics)

Electrohydrodynamic jet printer developed at IIT Delhi

Lecture 6: Examples of Fourier Transform and Uncertainty Principle

Lecture 27: Electro-osmotic pumps: Theory

Lecture 4: Complex form of Fourier Series and the Energy of Signal