FMUSER Wirless Transmit Video And Audio More Easier !

[email protected] WhatsApp +8615915959450
Language

    Low-pass filter simulink model,What is low-pass filtering?

     

    Low-pass filtering means that low-frequency signals can pass through, but high-frequency signals will be filtered out. It is mainly used to remove signal burrs and interference. It is widely used in engineering.

     

    The basic theoretical formula of low-pass filter is:

    y(t) = K*u(t) + (1-K)*y(t-1) = y(t-1) + K*[u(t)-y(t-1)]

    Among them, K=dT/T, K is generally between 0 and 1, dT is the running step length, T is the time constant; u is the input signal; y is the output signal.

     

    Generally, for a certain controller, its operating cycle is fixed, so the time constant can only be adjusted to change the filtering effect.

     

    Based on the above formula, we first build a basic low-pass filter simulink model, as shown below:

     

    It can be seen from the figure that the output of the filter is the output at the previous time, plus a scale factor multiplied by the current input minus the output at the previous time. Just imagine, if the scale factor is 1 (that is, T=dT), the output at the current moment is equal to the input; if the scale factor is between 0 and 1, the output at the current moment must be slower than the input, which will cause hysteresis. The advantage is that the input will be attenuated by this scale factor when there is a sudden large change. Therefore, the advantage of the low-pass filter is that it can filter out large high-frequency fluctuations, but the disadvantage is that it will be delayed compared to the original signal.

    It can be seen that the signal becomes smoother after filtering, and as the time constant T increases, the curve delay after filtering becomes larger. Therefore, in actual use, the selection of the time constant T is particularly important. We need to comprehensively consider the control system's requirements for signal accuracy and signal delay, and choose a time constant that meets our requirements.

     

    Simulink also has its own analog filter, as shown in the figure below.

    List all Question

    Nickname

    Email

    Questions

    Our other product:






      Enter email  to get a surprise

      fmuser.org

      es.fmuser.org
      it.fmuser.org
      fr.fmuser.org
      de.fmuser.org
      af.fmuser.org ->Afrikaans
      sq.fmuser.org ->Albanian
      ar.fmuser.org ->Arabic
      hy.fmuser.org ->Armenian
      az.fmuser.org ->Azerbaijani
      eu.fmuser.org ->Basque
      be.fmuser.org ->Belarusian
      bg.fmuser.org ->Bulgarian
      ca.fmuser.org ->Catalan
      zh-CN.fmuser.org ->Chinese (Simplified)
      zh-TW.fmuser.org ->Chinese (Traditional)
      hr.fmuser.org ->Croatian
      cs.fmuser.org ->Czech
      da.fmuser.org ->Danish
      nl.fmuser.org ->Dutch
      et.fmuser.org ->Estonian
      tl.fmuser.org ->Filipino
      fi.fmuser.org ->Finnish
      fr.fmuser.org ->French
      gl.fmuser.org ->Galician
      ka.fmuser.org ->Georgian
      de.fmuser.org ->German
      el.fmuser.org ->Greek
      ht.fmuser.org ->Haitian Creole
      iw.fmuser.org ->Hebrew
      hi.fmuser.org ->Hindi
      hu.fmuser.org ->Hungarian
      is.fmuser.org ->Icelandic
      id.fmuser.org ->Indonesian
      ga.fmuser.org ->Irish
      it.fmuser.org ->Italian
      ja.fmuser.org ->Japanese
      ko.fmuser.org ->Korean
      lv.fmuser.org ->Latvian
      lt.fmuser.org ->Lithuanian
      mk.fmuser.org ->Macedonian
      ms.fmuser.org ->Malay
      mt.fmuser.org ->Maltese
      no.fmuser.org ->Norwegian
      fa.fmuser.org ->Persian
      pl.fmuser.org ->Polish
      pt.fmuser.org ->Portuguese
      ro.fmuser.org ->Romanian
      ru.fmuser.org ->Russian
      sr.fmuser.org ->Serbian
      sk.fmuser.org ->Slovak
      sl.fmuser.org ->Slovenian
      es.fmuser.org ->Spanish
      sw.fmuser.org ->Swahili
      sv.fmuser.org ->Swedish
      th.fmuser.org ->Thai
      tr.fmuser.org ->Turkish
      uk.fmuser.org ->Ukrainian
      ur.fmuser.org ->Urdu
      vi.fmuser.org ->Vietnamese
      cy.fmuser.org ->Welsh
      yi.fmuser.org ->Yiddish

       
      1 字段 2 字段 3 字段 4 字段 5 字段 6 字段 7 字段 8 字段 9 字段 10 字段
  •  

    FMUSER Wirless Transmit Video And Audio More Easier !

  • Contact

    Address:
    No.305 Room HuiLan Building No.273 Huanpu Road Guangzhou China 510620

    E-mail:
    [email protected]

    Tel / WhatApps:
    +8615915959450

  • Categories

  • Newsletter

    FIRST OR FULL NAME

    E-mail

  • paypal solution Moneygram Western UnionBank OF China
    E-mail:[email protected]   WhatsApp:+8615915959450   Skype:sky198710021 Chat with me
    Copyright 2006-2020 Powered By www.fmuser.org

    Contact Us