• Giga@hdv-tech.com
  • 24H Online Service:
    • 7189078c
    • sns03
    • 6660e33e
    • youtube 拷贝
    • instagram
    Domestic News

    News

    • Na Admin / 20 Sep 24 /0Comments

      Frequency division multiplexing

      Kana simba rekufambisa rechiteshi chemuviri rakakwirira kudarika kudiwa kwechiratidzo chimwe, chiteshi chinogona kugoverwa nezviratidzo zvakawanda, semuenzaniso, trunk line yenharembozha inowanzova nezviuru zvezviratidzo zvinopfuudzwa mune imwe fiber. Multiplexing iteknoloji yekugadzirisa sei ...
      Frequency division multiplexing
      Verenga Zvimwe
    • Na Admin / 19 Sep 24 /0Comments

      Yakajairika kodhi mhando yebaseband kutapurirana

      (1) AMI kodhi AMI (Alternative Mark Inversion) kodhi ndiro zita rizere reimwe chiratidzo inversion kodhi, mutemo wayo weencoding ndeyekuchinja kodhi meseji "1" (maka) kuita "+1" uye "-1", ukuwo. iyo "0" (chiratidzo chisina chinhu) chinoramba chisina kuchinjwa. Somuenzaniso...
      Yakajairika kodhi mhando yebaseband kutapurirana
      Verenga Zvimwe
    • Na Admin / 12 Sep 24 /0Comments

      Nonlinear modulation (Angle modulation)

      Patinotumira chiratidzo, ingave chiratidzo chemaziso kana chiratidzo chemagetsi kana chisimbiso chisina mhepo, kana chikatumirwa zvakananga, chiratidzo chinokonzerwa nekukanganiswa kweruzha, uye zvakaoma kuwana ruzivo rwakarurama pamagumo ekugamuchira. Kuti t...
      Nonlinear modulation (Angle modulation)
      Verenga Zvimwe
    • Na Admin / 11 Sep 24 /0Comments

      Binary Digital modulation

      Nzira dzakakosha dzebhinari yedhijitari modulation ndeiyi: binary amplitude keying (2ASK) - shanduko yeamplitude yechiratidzo chekutakura; Binary frequency shift keying (2FSK) - iyo frequency shanduko yechiratidzo chekutakura; Binary phase shift keying (2PSK) - Chikamu chekuchinja chemutakuri ...
      Binary Digital modulation
      Verenga Zvimwe
    • Na Admin / 09 Sep 24 /0Comments

      WIFI Technology Overview

      WiFi inzvimbo yepasi rose Wireless local area network (WLAN) chiyero, zita rizere Wireless Fidelity, inozivikanwawo seIEEE802.11b chiyero. WiFi pakutanga yakavakirwa paIEEE802.11 protocol, yakaburitswa muna 1997, yakatsanangurwa WLAN MAC layer uye yemuviri layer zviyero. Kutevera ...
      WIFI Technology Overview
      Verenga Zvimwe
    • Na Admin / 06 Sep 24 /0Comments

      Optical eye image debugging

      Optical eye image debugging Target: Extinction ratio Research and development stage: pakati pe10-15 (huru iri nani pane duku), maererano nemamiriro chaiwo anogona kunge akakodzera kuvandudza kuparara kwehuwandu, asi kwete kuderera. Zvinoenderana nekunzwa. Quiver ...
      Verenga Zvimwe
    web聊天