What is Resolution: Definition and 311 Discussions

Dispute resolution or dispute settlement is the process of resolving disputes between parties. The term dispute resolution is sometimes used interchangeably with conflict resolution, although conflicts are generally more deep-rooted and lengthy than disputes. Dispute resolution techniques assist the resolution of antagonisms between parties that can include citizens, corporations, and governments.

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  1. S

    I Alpha Spectroscopy: Why does Peak Resolution Change?

    I'm trying to understand why peak resolution changed in my alpha spectroscopy experiment. I've increased the distance between a Am-241 source and a silicon surface barrier (semiconductor) detector and taken spectra along the way, recording information about peak height and FWHM. As the...
  2. J

    I What are the limits on resolution of STORM/PALM?

    I know localisation microscopy 'beats' the limit on resolution by activating individual sources and rendering a final image, but what are the limits that prevent the resolution of the images of these individual fluorophores? Is it just the number of photons collected? Cheers
  3. K

    I High Resolution X-Ray Diffraction: Explained

    Hello What does it mean when people say high resolution xray diffraction? What is the difference between regular Xray diffraction and high resolution X-ray diffraction? Thank you
  4. A

    What Is the Smallest Spot Diameter the Human Eye Can Detect?

    Homework Statement The resolution of the eye is ultimately limited by the pupil diameter. What is the smallest diameter spot the eye can produce on the retina if the pupil diameter is 2.59 mm? Assume light with a wavelength of λ = 550 nm. (Note: The distance from the pupil to the retina is 25.4...
  5. redtree

    I Deriving resolution of the identity without Dirac notation

    I am familiar with the derivation of the resolution of the identity proof in Dirac notation. Where ## | \psi \rangle ## can be represented as a linear combination of basis vectors ## | n \rangle ## such that: ## | \psi \rangle = \sum_{n} c_n | n \rangle = \sum_{n} | n \rangle c_n ## Assuming an...
  6. B

    Timing Resolution Required In Particle Detector

    Homework Statement A beam on Pions, Kaons and Protons, all with momentum ##\mathrm{P} = 10 \mathrm{GeV}## and negligible angular divergence travels ##100 \mathrm{m}## before hitting a target. What is the required timing resolution of the detector so that pions and kaons can be distinguished...
  7. rageoveralostpenny

    I Possible ways to increase particle detector resolution?

    So I'm doing some research for a physics essay on particle accelerators and I don't want to go into too much mathematical detail (as I haven't studied statistics or higher level Physics at school yet), but I have googled a lot of things and nothing seems to come up for methods scientists are...
  8. J

    Atomic Solved problems book on high resolution microscopy?

    Hello folks, There is a wide variety of techniques to measure at the nanoscale. There are Scanning Electron Microscopes, Scanning Transmission Microscopes, Scanning Force Microscopes, STM... Also there are several devices used to analyze the Spectra of atoms: XPS, AES, UPS, HREELS... I...
  9. Tom MS

    B Color Dependence of Angular Resolution

    Since, under rayleigh's criterion, the angular resolution is dependent on the wavelength of light, wouldn't blue light be more sharply focused by our eyes?
  10. C

    I Why is the resolution of TEMs and SEMs not smaller?

    I was wondering if someone could offer an explanation as to why TEMs and SEMs have practical resolutions several orders of magnitude less than what is predicted by the Rayleigh Criterion. This of course comes from my own calculations of the Rayleigh Criterion assuming an electron is accelerated...
  11. I

    I Resolution to the Tachyonic Antitelephone paradox

    Wikipedia has this interesting article about a physics "paradox" that Einstein came up with: https://en.wikipedia.org/wiki/Tachyonic_antitelephone It shows that if you were able to send a signal faster than the speed of light, then you could send a message back in time leading to a causality...
  12. paulmdrdo1

    MHB What is the factorization of $30x^4-41x^3y-129x^2y^2+100xy^3+150y^4$?

    Factor $30x^4-41x^3y-129x^2y^2+100xy^3+150y^4$. Please help me get started. I tried grouping the terms but still can't see any factorization that is familiar to me. Thanks.
  13. paulmdrdo1

    MHB How can I factor a polynomial without using the rational root theorem?

    I'm just curious as to how to go about factoring a polynomial like this one $6x^4+17x^3-24x^2-53x+30$ without using rational root theorem? Thanks
  14. Cocoleia

    What's the relation between angular resolution and distance

    Homework Statement At first I needed to calculate the angular resolution of a telescope (diameter 1m, for visible light) so I used θ=1.22λ/D and got 4.88x10^-7 rad. Now I am asked: "If we wished to use this telescope to image the moon, what is the closest distance two objects can be to be...
  15. E

    Resolution when not diffraction limited

    Does anyone know if there is a way to determine the resolution of an optics system that is NOT diffraction limited. I know you can calculate the resolution of a diffraction limited system using the Rayleigh criterion, but that assumes the system is diffraction limited. Is there some way using...
  16. D

    What is the resolution of light?

    Pardon my only basic understanding of physics. I'm not sure if the title is the correct question, but say I'm on a star many, many light years from earth. Can I theoretically see the freckles on my wife's face? It seems to me that light goes in all directions and the further it goes the less...
  17. M

    Resolution to Gibbs' entropy paradox?

    It seems to me that Gibbs' Paradox (that the entropy of a classical ideal gas, calculated by phase-space volume, is not extensive) can be resolved without assuming that particles are indistinguishable. Suppose instead the opposite: that particles are distinguishable, meaning that each one can...
  18. kenok1216

    Understanding Spatial Resolution: Calculating and Applying θmin=1.22λ/D

    Homework Statement Homework Equations θmin=1.22λ/D The Attempt at a Solution (a)θmin=1.22λ/D (b)θs=1.22(600nm)/30mm=24.4μm but what is spatial resolution and how to calculate it??
  19. N

    MHB Mastering Factoring Polynomials: Solving Challenging Equations with Confidence

    After successfully solving tons of problems about factoring polynomials I've buit up quite a confidence in myself. But it did not last long when I stumbled upon these problems Factor $3x^3-13x^2+23x-21$ $ 6x^3-2x^2-13x-6$ None of the techniques I knew were able to help me solve these...
  20. kenok1216

    Angular resolution of microscope

    Homework Statement Homework Equations θ =1.22λ/d The Attempt at a Solution for (a) θ =1.22λ/d θ =1.22(579nm)/(1.2cm)[/B] θ =5.8865x10^-5 degree= 1.027x10^-6 rad but the answer =2x10^-3rad , for the micorscope, the formula of angular resolution is different? i...
  21. U

    A Resolution in single molecule localisation

    Hi all, If a camera images a fluorescent molecule gaussian function with diameter roughly 300nm and each image pixel represents 160x160nm how could you say with higher precision where the molecule is located within that pixel. For instance if the localisation precision turns out to be 40nm how...
  22. C

    I Twin Paradox Resolution -- Inertial frames

    Thinking and reading about the twin paradox recently, I encounter a lot of explanations and resolutions that don't make sense to me. At its most basic, the issue is- when two bodies are in different frames of reference, why shouldn't relativistic effects affect both equally, negating time...
  23. B

    PET Imaging Resolution: Lower E(max) for Superior Image Resolution

    Hi, my lecturer said that in PET imaging, the image resolution is superior when the E(max) of the positrons is lower. Why should this be? Thanks
  24. P

    CCD Size & Resolution: Trade-Off Explained

    Hello guys, thanks in advance for the help. I have come across a theoretical problem which I hope you will be able to help me solving. It is all base on resolution (Rayleigh criterion) and Nyquist sampling theorem connected to camera capabilities. So, resolution (Rayleigh criterion) is roughly...
  25. A

    Estimating the depth resolution of confocal microscope.

    Homework Statement [/B] Homework Equations Resolution lateral = 1.2λ f/dThe Attempt at a Solution R lens 1 = 1.2(750nm) (1/5) = 180nm R lens 2 = 1.2(750nm) (3/5) = 540nm However these are laterial resolutions. If it possible to find the depth resolution from this or am I missing a formula...
  26. T

    Derivative of Axial Resolution from Rayleigh's Limit

    I am currently studying optical microscope and discover that the axial resolution is limited as r(z) = 2pi / (NA)^2. However, while I got hints that it is due to the Rayleigh's limit, I can't derivative the equation using numerical method. It would be huge thanks if anyone can help me on the...
  27. Anchovy

    What is meant by "electromagnetic energy resolution"?

    I'm reading about detectors and seeing the term "electromagnetic energy resolution", but can't find a definition. Is this simply referring to the resolution of the energy of electrically charged particles? Or could it be to do with the resolution achievable through a particular method of...
  28. A

    Find the axial resolution achieved for confocal microscope

    Homework Statement 2. Homework Equations F-number is f/d x0 = 1.2λ(fnumber) The Attempt at a Solution [/B] Fnumber1 = 0.2 Fnumber2 = 0.6 x01 = 180nm x02 = 540nmThese values seem large for depth resolution, is this correct?
  29. B

    Why Do Ultrasound Axial Resolution Phantoms Show Stretched Black Dots?

    Hi the image below taken from http://www.gammex.com/ace-files/manuals/411LE_Users_Guide.pdf shows an ultrasound axial resolution phantom. I do not understand why the black dots on the phantom are stretched up-and-down in the ultrasound image. I do understand though why they get wider. Please...
  30. BWV

    Stargazing What are the upper physical resolution limits on telescopes?

    So if we become a Kardashev type II civilization, able to harvest all the energy and matter in the solar system what could we see through the massive telescopes that would be possible to construct? (say with a lens the size of Saturn). Could you get surface detail on extrasolar planets, for...
  31. H

    Help with spatial resolution conversion programming (bmp image)

    Hello guys. I want to ask something about simple spatial resolution manipulating just by using c language. I have done my programming below, it managed to be compiled but for some reasons the program stucked in the middle when I try to run it. Really hope you guys can help. I am extremely...
  32. G

    Why Can't I Resolve Forces Upward?

    Homework Statement why can't I resolve the forces in upward direction ? ( as in the sketched diagram) the book showed that the (y component ) forces are in downward direction ... why can't be in upward direction ? Homework EquationsThe Attempt at a Solution
  33. kelvin490

    Why an array of telescopes is used?

    To increase the resolution of an instrument, smaller wavelength and larger aperture is desirable. It is mentioned in some textbooks that the "effective" diameter of a telescope can be increased by using arrays of smaller telescopes. I just wonder why it is possible because every telescope is...
  34. marcus

    Stephen Hawking offers new resolution of black hole paradox

    Bee Hossenfelder was live-blogging from Stockholm Conference on BH info puzzle today Tuesday 25 August. Herewith: http://backreaction.blogspot.com/2015/08/hawking-proposes-new-idea-for-how.html The conference is 24-29 August. Hawking presented his idea Tuesday, based on joint work with Malcolm...
  35. T

    Calculate the resolution of pressure sensor ( altimeter ) ?

    Homework Statement How can I calculate the resolution of a pressure sensor used to measure hight ( altimeter ) ? We have barometirc equation ( refer to http://hyperphysics.phy-astr.gsu.edu/hbase/kinetic/barfor.html#c3 ) , and I can't find out the solution. Can the resolution be the same as...
  36. S

    Exploring SEM Imaging: Cost & Advancements in Raster Scanning

    Looking at Ben Krasnow's youtube video on breaking down the parts and general cost for a scanning electron microscope, he lists a raster scan generator, is that able to produce the highest resolution images still? Or is there another more modern technology for this purpose? Otherwise, how has...
  37. M

    High resolution observations of dark matter?

    Are there any high resolution observations of the gravitational lensing by dark matter, good enough to determine if dark matter is clumped or spread out at small scales?
  38. shanepitts

    Finding the angular resolution

    Homework Statement Homework Equations θ=1.22 (λ/D) The Attempt at a Solution Just want to know if I properly answered this question. Thanks in advance
  39. frank2243

    Hyperbolic substitution in KdV equation resolution

    Hello, I am trying to understand the resolution of the following KdV equation. I try to demonstrate it by myself. The solitary wave solution is : At first, I created new variable as follows so I could transform the PDE into an ODE. A = A(p) p = g(x,t) g(x,t) = x - ct I succeeded to...
  40. C

    Twin Paradox - Question on Space Time Diagram Analysis Resolution

    I started a thread previously (https://www.physicsforums.com/threads/time-dilation-happens-on-moving-frame-but-which-one.814622/) around this concept but it got closed by one of the staff after helpfully pointing me to...
  41. B

    High Resolution Upper Division Undergrad Math lecture videos

    I'm interested in watching videos of Real Analysis lectures etc. in good quality resolution. Those Harvey Mudd College lectures are valuable but annoying re video quality. Thanks. - Blue
  42. RandyD123

    Very Powerful Telescope to see 10 light years away at high resolution....

    Lets suppose I had a very powerful telescope and I could see 10 light years away. Would I see cars and people on that planet as they were 10 years ago? Would I actually see the people moving and the cars moving on the ground?
  43. I_am_learning

    Absurdly high Frequency resolution of function generators?

    I checked some common commercial high-quality lab function generators and they seem to provide frequency output upto 50 Mhz (not a big deal), but with resolution of 1 uHz ! That means, they can generate signal with 50000000 Hz and also with 50000000.000001 Hz ?? That would equate to time-period...
  44. K

    Finding the angular resolution of a telescope

    Homework Statement An optical telescope has a diameter of 1.5m. It is placed at a site with 'seeing' of 1.0''. What is the expected resolution in arcseconds from observations made with the telescope at 1000nm? Give your answer to one decimal placeHomework Equations Theta (rads) = 1.22 *...
  45. N

    Nanometer resolution actuators

    I'm curious about nanometer precision actuators, I wrote a short review of the Piezo actuator types I'm aware of here: http://41j.com/blog/2014/09/piezo-actuators-a-review/ But does anyone have any information on other actuator types capable of nanopositioning? Are there any electrostatic...
  46. C

    Is it possible to scientifically discuss the dream world?

    Science, unless I'm mistaken, tells us that electrochemical exchanges within our neural networks are what dreams and thoughts are manifested from. Problem is, to say that dreams are a manifestation of specific phenomena is to utterly refuse to say what the dreams literally are. How can science...
  47. D

    How Does Particle Energy Affect Microscope Resolution?

    Homework Statement Hello Everyone! I just want to make sure I am on the right track. By smallest dimension do they mean wavelength used? An optical microscope is limited in resolution by the wavelength of light used. It cannot "resolve" matter, the dimensions of which are of the same order...
  48. G

    Algorithm for Numerical approximation to add data points

    Hi, I am working on TDR (Time Domain Reflectometry). I send a 7GHz bandwidth fast rising edge (14ns) square wave into a coax. I get a return Signal. I have an ADC with 10Msamples/sec. I am using MPLAB IDE for coding the microcontroller. Now I would like to increase the Points on the...
  49. G

    High Frequency signal with fast risetime, its bandwidth

    Hi, I am new to world of electronics and to high frequency Domain. But I am working on a design where I have a coax of 30cm length. I have used an external oscillator to generate 7GHz fast falling pulse. I am using a Controller to control the oscillator. Now I have a pulse of about 350ns...
  50. U

    What is the role of frequency synthesizer stages in a receiver and transmitter?

    I've checked the Internet and this forum, and while I notice the term, "tuning resolution" used in different contexts, I can't find a definition. Can anyone provide a clear and concise definition or explanation?
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