Search for tag: "signal"

36 Media

WidefieldIntro21 duration 46 minutes 5 seconds WidefieldIntro21 WidefieldIntro21	WidefieldIntro21 Intro to widefield imaging on a Nikon Fluorescence device and NIS Elements software. January 2021. image light imaging sample camera pixels button focus channels scope stage objective filter exposure fluorescence emission microscope side signal channel From Ray Truant 29 plays 0
Week9_Nuclear_Imaging_and_reconstruction duration 57 minutes 6 seconds Week9_Nuclear_Imaging_and_reconstruction Week9_Nuclear_Imaging_and_reconstruction	Week9_Nuclear_Imaging_and_reconstruction This lecture is part of MedPhys 4D03 lecture series for the Fall 2020 semester. This lecture introduces the technology used in Nuclear Medicine Imaging and describes emission reconstruction in the… medical physics medical imaging nuclear medicine image reconstrunction image attenuation patient photons ct detector projection activity detectors energy reconstruction linear collimators spect fluence angle rays ray signal positron From Janos Juhasz 12 plays 0
Week8_CT_Image_reconstrunction duration 1 hour 48 minutes Week8_CT_Image_reconstrunction Week8_CT_Image_reconstrunction	Week8_CT_Image_reconstrunction This lecture is part of MedPhys 4D03 lecture series for the Fall 2020 semester. This lecture describes the technology of computed tomography (CT) and presents the mathematics behind image… medical physics medical imaging ct image ct reconstrunction projection image ray ct detector theta intensity photons fourier attenuation patient transform angle signal source projections filter energy scanner slice From Janos Juhasz 14 plays 0
Week6_ImageCompression_Noise_Filtering duration 54 minutes 42 seconds Week6_ImageCompression_Noise_Filtering Week6_ImageCompression_Noise_Filtering	Week6_ImageCompression_Noise_Filtering This lecture is part of MedPhys 4D03 lecture series for the Fall 2020 semester. In this lecture the most widely used image compression, JPEG is presented and a description of the noise in digital… medical physics medical imaging image frequency compression frequencies filter signal values dct bit images intensity matrix fourier filtering space function domain pixel deviation ratio From Janos Juhasz 17 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
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
Week1_Theoretical_Images duration 1 hour 3 minutes Week1_Theoretical_Images Week1_Theoretical_Images	Week1_Theoretical_Images This lecture is part of MedPhys 4D03 lecture series for the Fall 2020 semester and it provides an introduction to imaging modalities and to the theory of signals and systems for modelling medical… medical physics medical imaging function delta signal imaging point image naught functions output systems signals sampling convolution input notation impulse ct linear shift infinity From Janos Juhasz 40 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
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
Video Lecture_Lab D13-Digital Controls System… duration 9 minutes 2 seconds Video Lecture_Lab D13-Digital Controls System… Video Lecture_Lab D13-Digital Controls System Part 1	Video Lecture_Lab D13-Digital Controls System Part 1 control output loop systems sensor signal point block controller input motor plant cpu microcontroller speed response lack oscillations temperature capabilities From JOHN COLENBRANDER 7 plays 0
V00_03_Linearization of MOSFETs_Part2 duration 17 minutes 30 seconds V00_03_Linearization of MOSFETs_Part2 V00_03_Linearization of MOSFETs_Part2	V00_03_Linearization of MOSFETs_Part2 This video describes how to develop the equivalent circuit model for a MOSFET based on its linearized i-v characteristics. mosfets times vgs drain input source port terminal mosfet model circuit term current vds signal body gate voltage component currents linear From Chih-hung Chen 763 plays 0
V00_02_Linearization of MOSFETs_Part1 duration 18 minutes 29 seconds V00_02_Linearization of MOSFETs_Part1 V00_02_Linearization of MOSFETs_Part1	V00_02_Linearization of MOSFETs_Part1 This video reviews how to linearize a MOSFET to become a linear element. Note: In the video, there is a typo in gm at 16:43. The correct gm = kn'(W/L)Vov, instead of (kn'/2)(W/L)Vov. mosfets vgs equation times region term voltage channel device vds drain mosfet effect length modulation function saturation minus terminal circuit signal From Chih-hung Chen 1,093 plays 1
Quiz 2 takeup duration 10 minutes 25 seconds Quiz 2 takeup Quiz 2 takeup	Quiz 2 takeup protein image mode drug quiz chemotherapeutic species antibodies hack reason question 17th things scale space signal fluorescence assay sequence response From Ray Truant 32 plays 0
MUCEC 2021 - Milana Pikula duration 16 minutes 28 seconds MUCEC 2021 - Milana Pikula MUCEC 2021 - Milana Pikula	MUCEC 2021 - Milana Pikula Presenter: Milana Pikula Supervisor(s): Dr. Carlos Filipe and Dr. Todd Hoare Project Description: A simple approach to fabricating hydrogel-based DNA microarrays is reported by physically entrapping… signal dna array ratio targets molecules joe oligonucleotides hybrid acid hybridization gel microarrays size rca fold jill conditions platform sensitivity From Kushal Panchal 50 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
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
march 23 JC duration 53 minutes 53 seconds march 23 JC march 23 JC	march 23 JC dna loops loop rna powerpoint huntington cells lot plasmid cell paper nucleus polymerase transcription inhibition rnas signal increase sense rnase From Ray Truant 1 plays 0
LR Wilson Hall Room 3001 & 5001 duration 2 minutes 6 seconds LR Wilson Hall Room 3001 & 5001 LR Wilson Hall Room 3001 & 5001	LR Wilson Hall Room 3001 & 5001 The audio video setup for LR Wilson Hall Room 3001 & 5001. screen hdmi projector tap blinds seconds signal cable computer power laptop controls thing room lighting switches classroom idea panel touch station docking connection projection volume From NICK MARQUIS 273 plays 0
LR Wilson Hall - Room 1025 - 'Big Room' duration 4 minutes 33 seconds LR Wilson Hall - Room 1025 - 'Big Room' LR Wilson Hall - Room 1025 - 'Big Room'	LR Wilson Hall - Room 1025 - 'Big Room' Indigenous Studies Program (ISP) and Indigenous Student Services (ISS) big room audio visual setup for the large display, the wireless microphone, and the blu-ray media player. source hdmi television cable tray button microphone display usb volume touch player cds ray blu output machine light station base sound capabilities connection disc side laptop cd adapter connections screen signal power remote From NICK MARQUIS 102 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
Lecture 3 - Imaging Concepts duration 48 minutes 3 seconds Lecture 3 - Imaging Concepts Lecture 3 - Imaging Concepts	Lecture 3 - 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 66 plays 0
Lab MA: Pre-Lab Video duration 9 minutes 44 seconds Lab MA: Pre-Lab Video Lab MA: Pre-Lab Video	Lab MA: Pre-Lab Video pre-lab video lab test compliance structure braces weight cross signal frequency plate hammer impact gauge presentation loads behavior deflection manual analysis position From JOHN COLENBRANDER 462 plays
L11_How Differential Pair Amplifiers Work duration 11 minutes 24 seconds L11_How Differential Pair Amplifiers Work L11_How Differential Pair Amplifiers Work	L11_How Differential Pair Amplifiers Work This video presents how a differential pair amplifier with a current sink removes the common-mode noise to its single-ended output. differential amplifier output voltage drain input signal source amplifier waveform phase q2 terminal side gate stage problem interference terminals shift differences differential From Chih-hung Chen 113 plays 0
Fluoroscopy - Part 2 duration 16 minutes 27 seconds Fluoroscopy - Part 2 Fluoroscopy - Part 2	Fluoroscopy - Part 2 image ray resolution photons fluoroscopy quality contrast intensifier detectors panel charge efficiency signal object ratio instance bit radiation millimeter screen From Troy Farncombe 46 plays 0