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 ... 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... 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... 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 ... 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 ... 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 123456Zvinotevera >>> Peji 1 / 77