Search for tag: "fourier"

Christian Berg A unified view of covariance functions through Gelfand pairs

Applied matrix positivity Christian Berg A unified view of covariance functions through Gelfand pairs This recording is in the process of being subtitled. Subtitles will be available in due course.

From  OLLIE Quinn on August 4th, 2021 0 likes 6 plays 0  

UK-APASI in Mathematical Sciences - CW (Kees) Oosterlee

Subtitles will be added soon. 24 May 2021 CW (Kees) Oosterlee, Pricing and calibration with neural networks in finance

From  Liam Holligan on May 25th, 2021 0 likes 4 plays 0  

BMC BAMC 2021 Antony Maciocia

6-9 April, BMC BAMC 2021 This is the BMC Morning Talk by Antony Maciocia (Edinburgh). An Update on Moduli of Sheaves and Bridgeland Stability Conditions. This recording is subtitled. If you wish…

From  Anna Munro on April 20th, 2021 0 likes 51 plays 0  

Topic 70: Cross-Power and Complex Spectral Densities (PETARS, Chapter 9)

This Topic extends the definition of the power-spectral density in two ways. First, it considers the cross-power spectral density (CPSD) for considering the spectral characteristics of two-jointly…

From  James Hopgood on November 24th, 2020 0 likes 61 plays 0  

Topic 69: Definition and Properties of the Power-Spectral Density (PETARS, Chapter 9)

This video presents the formal definition of the power-spectral density (PSD) of a wide-sense stationary (WSS) process, and its inverse relationship, both through discrete-Time Fourier Transform…

From  James Hopgood on November 19th, 2020 0 likes 76 plays 0  

Topic 68: Concept of the Power Spectral Definition and its Origins (PETARS, Chapter 9)

This video introduces the frequency-domain description of stationary processes, through the equivalent but conceptually different ideas of stochastic decompositions and Fourier transforms of moments…

From  James Hopgood on November 18th, 2020 0 likes 82 plays 0  

Fourier series Week 3 Part 3: Complex Fourier series

Video discussing the complex Fourier series

From  Daniel Friedrich on November 14th, 2020 0 likes 168 plays 0  

Fourier series Week 3 Example 2: Harmonic oscillator

Video discussing the harmonic oscillator. We use the Fourier series of a periodic forcing to find the particular solution of the differential equation describing the harmonic oscillator.

From  Daniel Friedrich on November 10th, 2020 0 likes 181 plays 0  

Fourier series Week 3 Example 1: Fourier series by differentiation or integration

Three examples showing the use of differentiation and integration to find Fourier series.

From  Daniel Friedrich on November 10th, 2020 0 likes 237 plays 0  

Fourier series Week 3 Part 2: Solve differential equations with Fourier series

Video showing how to solve differential equations with periodic forcing functions with the Fourier series.

From  Daniel Friedrich on November 10th, 2020 0 likes 222 plays 0  

Fourier series Week 3 Part 1: Differentiation and integration of Fourier series

Video showing how to use differentiation and integration to find the Fourier series of a function from known Fourier series.

From  Daniel Friedrich on November 10th, 2020 0 likes 265 plays 0  

Topic 63: Properties of Autocorrelation sequences for WSS processes (PETARS, Chapter 8)

Second-order statistics are fundamental to the definition of wide-sense stationary (WSS) processes, and this video considers the properties that a WSS autocorrelation sequence (ACS) must satisfy.…

From  James Hopgood on November 8th, 2020 0 likes 100 plays 0  

Mark Groves : Fully localised three-dimensional gravity-capillary solitary waves on water of infinite depth.

Wednesday 21 October3pm - Mark GrovesTitle: Fully localised three-dimensional gravity-capillary solitary waves on water of infinite depth.

From  OLLIE Quinn on October 29th, 2020 0 likes 22 plays 0  

Fourier series Week 2 Example 4: Square pulse through similarity

This video shows how we can use shape preserving transforms to calculate the Fourier series of the square pulse from the Fourier series of the square wave.

From  Daniel Friedrich on October 27th, 2020 0 likes 235 plays 0  

Fourier series Week 2 Example 3: Sawtooth function again

This example uses shape preserving transforms to calculate the Fourier series of a sawtooth function from the Fourier series of a sawtooth function with a different period.

From  Daniel Friedrich on October 27th, 2020 0 likes 264 plays 0  

Fourier series Week 2 Example 2: Full-range extension square function

Example calculating the full-range extension for the non-periodic square function.

From  Daniel Friedrich on October 27th, 2020 0 likes 352 plays 0