Search for tag: "frequencies"

Waves in Complex Continua (Wavinar) - Bryn Davies (Imperial College, UK)

Subtitles will be added soon. Bryn Davies (Imperial College, UK) Tuneable topological edge modes in systems of subwavelength resonators

From  Liam Holligan 0 likes 32 plays 0  

Alan Hunter Presentation - SSPD Conference 2021

Presented at the Sensor Signal Processing for Defence Conference (SSPD) 2021Presentation: "Multi-Spectral and Multi-Modal Underwater Acoustic Imaging"Speaker: Alan Hunter, University of…

From  Joe Burchell 0 likes 88 plays 0  

REBM Week 5a)

This is the first in a series of recordings for Week 5 of the Year MBChB coourse Research and Evidence-Based Medicine on the general topic 'Hypothesis tests and related statistics –…

From  Margaret MacDougall 0 likes 238 plays 0  

Object Characterisation with MPT Spectral Signature - Paul Ledger

Mathematics for Detecting, Locating and Characterising Metal Objects Paul Ledger, Keele University - Object Characterisation with MPT Spectral Signature 1 June 2021 This recording is subtitled. You…

From  Jane Walker 0 likes 68 plays 0  

RCMM Wave scattering and Solid Mechanics - Richard Porter (Bristol, UK)

This talk has subtitles/captions. You can remove the subtitles by pressing CC on the bottom toolbar. 09/03/2021 Richard Porter (Bristol, UK) Plate arrays as water wave metamaterials

From  Anna Munro 0 likes 43 plays 0  

Topic 43: Perfect Sampling, Derivation of Sampling Theorem, and Adequate Sampling (SNADA, Chapter 8)

This Topic begins by discussing the mathematical model of perfect sampling, namely multiplying the signal (that is to be sampled) by an impulse train. Using this model, the Topic discusses how to…

From  James Hopgood 0 likes 274 plays 0  

Topic 30: Intuitive Derivation of the Fourier Transform from Complex Fourier Series (SNADA, Chapter 6)

This Topic introduces the Fourier transform as the limiting operation of taking a periodic signal, and sending the period to infinity, so as to represent a non-periodic signal. The Topic…

From  James Hopgood 0 likes 340 plays 0  

ASR Lecture 3

ASR Lecture 3: Speech signal analysis (2)

From  Peter Bell 0 likes 116 plays 0  

Topic 22: Determining the Fundamental Frequency and Period (SNADA, Chapter 5)

This Topic looks at the case of calculating the fundamental frequency or period of a periodic waveform, where this is not known in advance. The Topic also considers, as a consequence, whether the…

From  James Hopgood 1 likes 417 plays 0  

ASR Lecture 2

ASR Lecture 2: Speech signal analysis (1)

From  Peter Bell 0 likes 185 plays 0  

Topic 17: Deterministic time-series signal classification (SNADA, Chapter 4)

This Topic considers four different types of deterministic signals, namely continuous-time periodic signals and non-periodic signals, and discrete-time periodic and non-periodic signals. The…

From  James Hopgood 0 likes 390 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 0 likes 351 plays 0  

IDS - Week 05 - 05 - Recoding data

Review of data import, data types, and classes with a case study involving recoding data

From  Mine Cetinkaya-Rundel 0 likes 60 plays 0  

IDS - Week 02 - 05 - Visualising categorical data

Visualising categorical data with ggplot2 00:00 Recap 00:38 Bar plot 04:04 Relationships between numerical and categorical variables

From  Mine Cetinkaya-Rundel 0 likes 89 plays 0  

Representing Music with Fourier Coefficients

Representing Music with Fourier Coefficients

From  Nigel Goddard 1 likes 2,649 plays 0  

Representing Text with Numeric Attributes

Representing Text with Numeric Attributes

From  Nigel Goddard 1 likes 2,476 plays 0