Search for tag: "frequencies"

16 Media

Waves in Complex Continua (Wavinar) - Bryn Davies… duration 25 minutes 19 seconds Waves in Complex Continua (Wavinar) - Bryn Davies… Waves in Complex Continua (Wavinar) - Bryn Davies (Imperial College, UK)	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 structure frequency resonators gap problem band dislocation frequencies properties size length things structures spectrum delta thing middle material resonance boundary From Liam Holligan 0 likes 33 plays 0 Publisher Liam Holligan Licence Type All rights reserved Language English Date Created November 2nd, 2021 Retain Source File Yes
Alan Hunter Presentation - SSPD Conference 2021 duration 29 minutes 28 seconds Alan Hunter Presentation - SSPD Conference 2021 Alan Hunter Presentation - SSPD Conference 2021	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… sspd 2021 frequency image frequencies waves side kilohertz pipe hand objects object resolution tail imaging wave modes range colour sas things features From Joe Burchell 0 likes 93 plays 0 Licence Type All rights reserved Language English Date Created September 14th, 2021 Retain Source File Yes
REBM Week 5a) duration 29 minutes 32 seconds REBM Week 5a) REBM Week 5a)	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 –… hypothesis testing chi-square test of association fisher's exact test yates' correction chi hypothesis counts association population column statistic test table sample week significance contingency series lecture size values frequencies correction concepts From Margaret MacDougall 0 likes 239 plays 0 Publisher Margaret MacDougall Licence Type All rights reserved The University of Edinburgh Language English Date Created October 18th, 2021
Object Characterisation with MPT Spectral… duration 26 minutes 44 seconds Object Characterisation with MPT Spectral… Object Characterisation with MPT Spectral Signature - Paul Ledger	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… icms mathematics maths math metals mpt spectral signature spectral frequency objects function coefficients object tensor characterization problem things frequencies field class classes approach expansion description parts solutions position background From Jane Walker 0 likes 76 plays 0 Licence Type All rights reserved Language English Date Created June 1st, 2021
RCMM Wave scattering and Solid Mechanics -… duration 40 minutes 9 seconds RCMM Wave scattering and Solid Mechanics -… RCMM Wave scattering and Solid Mechanics - Richard Porter (Bristol, UK)	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 icms maths waves scattering study equations solution numbers wave plates energy array plate problem equation side incident angle reflection play wavelength direction things resonance frequencies refraction From Anna Munro 0 likes 47 plays 0 Licence Type All rights reserved Language English Date Created March 9th, 2021
Topic 43: Perfect Sampling, Derivation of… duration 18 minutes 56 seconds Topic 43: Perfect Sampling, Derivation of… Topic 43: Perfect Sampling, Derivation of Sampling Theorem, and Adequate Sampling (SNADA, Chapter 8)	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… elee08021 signal omega spectrum frequency sampling fourier image impulse transform summation period train images philtre tools effect pass frequencies domain diagram From James Hopgood 0 likes 316 plays 0 Course Code ELEE08021 Licence Type All rights reserved Date Created February 21st, 2021
Topic 30: Intuitive Derivation of the Fourier… duration 15 minutes 59 seconds Topic 30: Intuitive Derivation of the Fourier… Topic 30: Intuitive Derivation of the Fourier Transform from Complex Fourier Series (SNADA, Chapter 6)	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… fourier period spectrum frequency signal transform pulse minus hertz times waveform tau infinity frequencies naught components shape function coefficients sinc elee08021 From James Hopgood 0 likes 387 plays 0 Course Code ELEE08021 Licence Type All rights reserved Date Created February 1st, 2021
ASR Lecture 3 duration 1 hour 32 minutes ASR Lecture 3 ASR Lecture 3	ASR Lecture 3 ASR Lecture 3: Speech signal analysis (2) speech recognition features window spectrum power frequency analysis asr windows mfcc frequencies delta output questions dft linear scale bit mfccs difference question From Peter Bell 0 likes 129 plays 0 Licence Type Creative Commons - Attribution Non Commercial Date Created January 18th, 2021
Topic 22: Determining the Fundamental Frequency… duration 13 minutes 29 seconds Topic 22: Determining the Fundamental Frequency… Topic 22: Determining the Fundamental Frequency and Period (SNADA, Chapter 5)	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… omega naught times question frequencies series signal period frequency pi ratio examples form fact signals fourier coefficients term calculation multiple elee08021 From James Hopgood 1 likes 461 plays 0 Course Code ELEE08021 Licence Type All rights reserved Date Created January 24th, 2021
ASR Lecture 2 duration 56 minutes 58 seconds ASR Lecture 2 ASR Lecture 2	ASR Lecture 2 ASR Lecture 2: Speech signal analysis (1) speech recognition speech frequency frequencies signals peaks characteristics sound signal impulse power analysis spectrum features process philtres philtre axis kilohertz question train From Peter Bell 0 likes 215 plays 0 Licence Type Creative Commons - Attribution Non Commercial Date Created January 14th, 2021
Topic 17: Deterministic time-series signal… duration 15 minutes 57 seconds Topic 17: Deterministic time-series signal… Topic 17: Deterministic time-series signal classification (SNADA, Chapter 4)	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… signal signals frequency spectrum domain transform amplitude samples duration analysis point capital period waveform frequencies representation lot infinity method fourier elee08021 From James Hopgood 0 likes 432 plays 0 Course Code ELEE08021 Licence Type All rights reserved Date Created January 18th, 2021
Topic 69: Definition and Properties of the… duration 20 minutes 15 seconds Topic 69: Definition and Properties of the… Topic 69: Definition and Properties of the Power-Spectral Density (PETARS, Chapter 9)	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… pgee11164 power omega autocorrelation density fourier sequence transform function pi minus spectral component process dtft domain frequencies summation expression infinity phases From James Hopgood 0 likes 411 plays 0 Course Code PGEE11164 Licence Type All rights reserved Date Created November 18th, 2020
IDS - Week 05 - 05 - Recoding data duration 20 minutes 1 second IDS - Week 05 - 05 - Recoding data IDS - Week 05 - 05 - Recoding data	IDS - Week 05 - 05 - Recoding data Review of data import, data types, and classes with a case study involving recoding data data science rstats income plot levels column bit dataframe religion frequencies traditions function protests character strings bar rows tradition legend sample variable columns From Mine Cetinkaya-Rundel 0 likes 60 plays 0 Course Code MATH08077 Licence Type Creative Commons - Attribution Non Commercial Share A Like
IDS - Week 02 - 05 - Visualising categorical data duration 6 minutes 27 seconds IDS - Week 02 - 05 - Visualising categorical data IDS - Week 02 - 05 - Visualising categorical data	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 data science rstats statistics plot grade axis plots bar bars density frequencies loan bit ownership levels gg geom package side mortgage things loans variables From Mine Cetinkaya-Rundel 0 likes 91 plays 0 Course Code MATH08077 Licence Type Creative Commons - Attribution Non Commercial Share A Like
Representing Music with Fourier Coefficients duration 4 minutes 36 seconds Representing Music with Fourier Coefficients Representing Music with Fourier Coefficients	Representing Music with Fourier Coefficients Representing Music with Fourier Coefficients iaml data series weights frequencies transformations amplitude values attributes piece sine fourier base waves signal instant volume representation waveform wave frequency mixture From Nigel Goddard 1 likes 2,740 plays 0 Licence Type Creative Commons - Attribution No Derivatives
Representing Text with Numeric Attributes duration 3 minutes 22 seconds Representing Text with Numeric Attributes Representing Text with Numeric Attributes	Representing Text with Numeric Attributes Representing Text with Numeric Attributes iaml data word words vocabulary attribute attributes representation representations lot thing text frequencies zeros numbers investment aardvark apple emails sentences rest meaning From Nigel Goddard 1 likes 2,557 plays 0 Licence Type Creative Commons - Attribution