Search for tag: "frequency"

67 Media

Ultrasound duration 1 hour 51 minutes Ultrasound Ultrasound	Ultrasound ultrasound kind resolution wave sound transducer frequency tissue waves bit speed intensity radiation image bone imaging reflections lot surface impedance From Troy Farncombe 115 plays 0
Week2-Operations with functions 1 duration 1 hour 42 minutes Week2-Operations with functions 1 Week2-Operations with functions 1	Week2-Operations with functions 1 This lecture is part of MedPhys 4D03 lecture series for the Fall 2020 semester and it provides an introduces the use of convolution and Fourier Transforms pertaining to 1-D and 2-D functions used in… medical physics medical imaging function fourier convolution minus transform functions frequency alpha signal domain times notation delta sine sort cosine image result multiplication naught From Janos Juhasz 41 plays 0
Week3_Digital_Images duration 50 minutes 48 seconds Week3_Digital_Images Week3_Digital_Images	Week3_Digital_Images This lecture is part of MedPhys 4D03 lecture series for the Fall 2020 semester. In this lecture sampling theory is presented, including aliasing, Nyquist rate. Also, quantization of images are… image function sampling frequency fourier space images points delta rate bit times object nyquist bits islands transform frequencies signal quantisation From Janos Juhasz 26 plays 0
Week4-Imaging In Practice duration 1 hour 23 minutes Week4-Imaging In Practice Week4-Imaging In Practice	Week4-Imaging In Practice This lecture is part of MedPhys 4D03 lecture series for the Fall 2020 semester. In this lecture some of the most important operations in intensity space, such as window/level, histograms etc. will… medical physics medical imaging image function resolution frequency pixels intensity size point pixel times window light bit images object sample microscope level microscopy format From Janos Juhasz 31 plays 0
Week11_MRI_Physics duration 1 hour 24 minutes Week11_MRI_Physics Week11_MRI_Physics	Week11_MRI_Physics This lecture is part of MedPhys 4D03 lecture series for the Fall 2020 semester. The Physics of MRI and MRI design criteria is discussed. medical physics medical imaging mri physics field magnetization protons frequency signal coils rf naught angle magnet gradient vector times energy relaxation coil direction axis pause From Janos Juhasz 13 plays 0
Week12_Image_reconstrunction_MRI duration 1 hour 6 minutes Week12_Image_reconstrunction_MRI Week12_Image_reconstrunction_MRI	Week12_Image_reconstrunction_MRI This lecture is part of MedPhys 4D03 lecture series for the Fall 2020 semester. It introduces the mathematics of image reconstruction in Magnetic Resonance Imaging. medical physics medical imaging mri gradient direction frequency field signal slice image phase protons space magnetization pulse echo delta frequencies degree vector sequence strength From Janos Juhasz 15 plays 0
10-FormantFrequencies duration 51 minutes 41 seconds 10-FormantFrequencies 10-FormantFrequencies	10-FormantFrequencies frequencies sound times tube frequency tract speed length period voice mouth end air rate lot thing things math formant shape From David Feinberg 17 plays 0
PNB-3EV3-Lab1 duration 1 hour 53 minutes PNB-3EV3-Lab1 PNB-3EV3-Lab1	PNB-3EV3-Lab1 sound frequency things rate thing microphone stuff sampling amplitude computer voice axis bit cell lot python recording lab array google From David Feinberg 25 plays 0
Lab 3 -Formant Frequencies duration 46 minutes 9 seconds Lab 3 -Formant Frequencies Lab 3 -Formant Frequencies	Lab 3 -Formant Frequencies plot frequency sound axis things frequencies column form thing color vowel voice stuff python ellipse vowels lpc voices lecture colors From David Feinberg 22 plays 0
Scanned Notes with Voiceover duration 30 seconds Scanned Notes with Voiceover Scanned Notes with Voiceover	Scanned Notes with Voiceover domain omega phasor field frequency quantity method quantities sinusoidal fact answer groups approaches hft exponents t. tv From Roshan Bashar 4 plays 0
Mathematics essentials duration 50 minutes 51 seconds Mathematics essentials Mathematics essentials	Mathematics essentials This is the second part of the Monday lecture. Review of basic mathematics and trigonometry. radiology math review frequency image function space fourier intensity object power levels domain attenuation question times source resolution imaging pairs transform layer root From Janos Juhasz 58 plays 0
MRI Artifacts duration 1 hour 34 minutes MRI Artifacts MRI Artifacts	MRI Artifacts space image artifact artifacts frequency echo field phase direction images things gradient motion sequence kind signal sequences pulse mri imaging From Troy Farncombe 44 plays 0
MRI Physics - Part 1 duration 2 hours 55 minutes MRI Physics - Part 1 MRI Physics - Part 1	MRI Physics - Part 1 An introduction to the physics of magnetic resonance imaging. mri magnetic resonance imaging medical imaging signal pulse frequency gradient field rf phase direction energy space echo spin guys coil image bit hydrogen spins atoms magnetization From Aravinthan Jegatheesan 105 plays 0
018 Data and Plots duration 23 minutes 28 seconds 018 Data and Plots 018 Data and Plots	018 Data and Plots population sample plot median salary distribution row statistic cars box mode majority observations dataset summary thing chapter histogram frequency column From Mu He 280 plays 0
Neuromodulation in Epilepsy, Dr. Cristina Go,… duration 50 minutes 37 seconds Neuromodulation in Epilepsy, Dr. Cristina Go,… Neuromodulation in Epilepsy, Dr. Cristina Go, September 10 2021	Neuromodulation in Epilepsy, Dr. Cristina Go, September 10 2021 patients seizure stimulation dbs vns patient seizures epilepsy dns devices frequency device mri bit effect thalamus nucleus eeg lot side From Robyn Whitney 65 plays 0
06_PMSM FEA Model_TA_Extra_02 duration 8 minutes 51 seconds 06_PMSM FEA Model_TA_Extra_02 06_PMSM FEA Model_TA_Extra_02	06_PMSM FEA Model_TA_Extra_02 rotor students degree flux position degrees step frequency geometry milliseconds linkage steps rotations function magnitude characteristics orientation waveforms phase difference From BERKER BILGIN 7 plays 0
Electronic Structure 1 duration 1 hour 23 minutes Electronic Structure 1 Electronic Structure 1	Electronic Structure 1 captionasr energy light electron atom frequency hydrogen orbitals wave electrons wavelength function momentum formula photon minus levels values plate numbers terahertz chem 1a03 chem 1e03 spring 2020 From Linda Davis 6,096 plays 0
Lecture 4 - Imaging Concepts duration 48 minutes 3 seconds Lecture 4 - Imaging Concepts Lecture 4 - Imaging Concepts	Lecture 4 - Imaging Concepts image imaging contrast object resolution answer quality function width deviation signal error frequency photons curve ray point ratio window level From Troy Farncombe 18 plays 0
PHYSICS739_approximation_Methods3 duration 1 hour 9 minutes PHYSICS739_approximation_Methods3 PHYSICS739_approximation_Methods3	PHYSICS739_approximation_Methods3 Showed how to find transition amplitudes from the Dyson series. Began analyzing 1st order perturbations constant in time except for being switched on at t=t0. picture interaction schrodinger function delta perturbation energy operator probability times evolution continuum frequency omega equation transition series thing hamiltonian matrix From DUNCAN O'DELL 2 plays 0
17_Control of DC Machines using DC-DC… duration 7 minutes 19 seconds 17_Control of DC Machines using DC-DC… 17_Control of DC Machines using DC-DC converters1_Part1	17_Control of DC Machines using DC-DC converters1_Part1 armature switching period dc voltage circuit motor duty input diode frequency cycle equation converter current modulation switch mode conduction drive From BERKER BILGIN 116 plays 0
22_Equivalent Circuit of Induction Motors_Part1 duration 6 minutes 28 seconds 22_Equivalent Circuit of Induction Motors_Part1 22_Equivalent Circuit of Induction Motors_Part1	22_Equivalent Circuit of Induction Motors_Part1 rotor speed frequency stator circuit induction voltage equals torque times slip field resistance transformer voltages omega ns motor magnetic current From BERKER BILGIN 99 plays 0
24_Tutorial_Induction Motor Equivalent Circuit… duration 4 minutes 41 seconds 24_Tutorial_Induction Motor Equivalent Circuit… 24_Tutorial_Induction Motor Equivalent Circuit Problems_Part1	24_Tutorial_Induction Motor Equivalent Circuit Problems_Part1 motor speed rotor frequency times power load question output currents stator hertz slip horsepower induction efficiency minus minute rpm rotations From BERKER BILGIN 73 plays 0
25_Speed Control in Induction Motors_Part1 duration 5 minutes 45 seconds 25_Speed Control in Induction Motors_Part1 25_Speed Control in Induction Motors_Part1	25_Speed Control in Induction Motors_Part1 torque speed characteristics voltage stator rotor slip induction control power resistance motor copper pull omega equation frequency gap air load From BERKER BILGIN 73 plays 0
22_Equivalent Circuit of Induction Motors_Part2 duration 5 minutes 29 seconds 22_Equivalent Circuit of Induction Motors_Part2 22_Equivalent Circuit of Induction Motors_Part2	22_Equivalent Circuit of Induction Motors_Part2 rotor times term frequency r2 equals expression s. losses power side slip equation copper motor gap parenthesis resistance function l2 From BERKER BILGIN 85 plays 0