sesole cofdm waelese letshwao transmitter

Ke eng e fetisang molaetsa oa sesole cofdm wireless signal?

Setlamo sa sesole sa COFDM sa mohala ke sesebelisoa se ka romellang le ho amohela matshwao a mamelwang le data ka COFDM. (Coded Orthogonal Frequency Division Multiplexing) mokhoa oa ho feto-fetoha ha dijithale. COFDM ke theknoloji e tšoanang le DVB-T Europe digital tv standard, e ka haholo ka katleho compress a video le mamelwang a TS molapo ka encoder le modulator, 'me ho moamoheli ka sesebelisoa sa "decoder" le demodulator chipset, e ka fumana ka ho phethahetseng video e phelang ea sebele, mamelwang, le data ho tloha ho transmitter ho ea ho moamoheli.

Mokhoa ona o etsa hore lets'oao le be thata ho feta tšitiso, lerata, le ho fela, ho etsa hore e lokele dikopo tsa sesole.

Bohole ba phetisetso ea matshwao a waelese a cofdm ya sesole

COFDM e tšoana le liteishene tsa TV tsa lefatše tsa digital. Ha feela transmitter e behiloe holimo ho lekana le ka har'a moeli oa pono, 'me ha ho na litšitiso ho transmitter le moamoheli, e ka tšehetsa bohole ho tloha 1 km ho 200 km SE.

PATHENLOS
500MW>10Km<300limithara
1The>30Km<500limithara
5The>60Km<1500limithara
20The>120km SE<3000limithara
50The>200Km<5000limithara
100The>250Km<10Km

Setsi sa phetiso ea lets'oao la waelese la cofdm

  • theko e tlaase
  • tlaase latency
  • Tshebetso e bonolo
  • taetsitshireletso
  • Tšehetsa phetoho ea maqhubu ho qoba jammer

Sesole sa sesole sa cofdm Mefuta ea phetiso ea mats'oao a se nang mohala

maleewana: Bakeng sa mohlala o theko e tlaase, re nka hore li-transmitter tse ling li kentsoe ho li-drones, ’me li ka ’na tsa otla lifate kapa litšitiso tse ling ka nako leha e le efe ’me tsa etsa hore li oe. Hobane li theko e tlase, li ka rekoa ka bongata 'me tsa sebelisoa e le lintho tse ka sebelisoang. Haeba e lahlehile, li ka nkeloa sebaka. Moamoheli a ka lokisoa ka li-transmitter tse ling bakeng sa ts'ebeliso e tsoelang pele. COFDM-912T, Kopa lintlha tse mabapi le mohlala ona. chat on whatsapp

HDMI 1080p: Moetso o theko e tlase o kaholimo o ts'ehetsa qeto ea 720P feela le kenyelletso ea kh'amera e kopaneng ea CVBS. Haeba u na le litlhoko tse phahameng tsa ho rarolla video, u khothaletsoa COFDM-908T e nang le tlhahiso le tlhahiso ea HDMI ho tšehetsa 1080P. COFDM-908T, Kopa lintlha tse mabapi le mohlala ona. chat on whatsapp

Nako e tlase ka ho Fetisisa: Bakeng sa li-UAV tse mahareng le tse kholo, theko ea tlhahiso ea sefofane e batla e phahame, mme transmitter e hloka ho etsoa ka ultra-low latency. Ho lieha ha lits'ebetso tse tloaelehileng tsa phetisetso ea video e se nang mohala ho tla fihla ho 200 ~ 400 milliseconds, empa sistimi ea phetisetso ea video e se nang mohala e tlase haholo e ka fihla ho 30 ~ 40 milliseconds., e loketseng haholo bakeng sa li-drones tse lebelo le holimo ho netefatsa hore E khona ho bona litšitiso ka nako le ho etsa liphetoho tse lumellanang.. Vcan1729, Kopa lintlha tse mabapi le mohlala ona. chat on whatsapp

HDMI + CVBS likhamera tsa video ka bobeli: Libakeng tse ling tsa drones kapa maemo a mang a tšireletso, ho kentsoe lik'hamera tse peli, e hlokang hore transmitter ea rona e be le bokhoni ba ho fetisa livideo tse peli ka nako e le 'ngoe. Bakeng sa bareki ba nang le tlhoko ena, o ka khetha rona Vcan1726., Kopa lintlha tse mabapi le mohlala ona. chat on whatsapp

Tlhahiso ea Ethernet RTSP ho komporo: Bareki ba bang ba boetse ba hloka hore moamoheli a se ke a hlahisa litšoantšo feela ho sebali se tloaelehileng empa hape a hlahise litšoantšo ho komporo ka nako ea nnete.. Boemong bona, moamoheli o hlokeha ho ba le phallo ea koung ea marang-rang e tšehetsang liprothokholo tsa ONVIF le RTSP. U ka ba ua bapala video ea sebui u sebelisa sebapali sa VLC. Vcan1726, Kopa lintlha tse mabapi le mohlala ona. chat on whatsapp

Relay ea Letšoao / Pheta-pheta / Extender: Lits'ebetsong tse ling tse khethehileng, joalo ka ha ho na le meaho, lithaba, kapa difate tse thibang sesupo, re ka beha li-relays bohareng ba litšitiso ho atolosa sebaka sa phetisetso le ho eketsa matla a pontšo ea phetisetso.. Setšoantšo sa 1870, Kopa lintlha tse mabapi le mohlala ona. chat on whatsapp

Tharollo bakeng sa tlhokahalo ea li-transceiver tse peli: E mong le e mong oa tseba hore CFODM ke mokhoa o le mong oa phetisetso o ka fetisang video, mamelwang, le data ho tloha ho transmitter ho ea ho moamoheli, empa ha e khone ho fana ka tšitiso ea matšoao kapa maikutlo a pakete. Leha ho le joalo, e le ho rarolla litlhoko tsa bareki bakeng sa phetiso ea litsela tse peli, baenjiniere ba ka boela ba etsa lihlopha tse peli tsa li-transceiver tsa COFDM hore e be e le 'ngoe, e le hore transmitter le eona e be le mosebetsi oa moamoheli, mme moamohedi le yena o na le mosebetsi wa sefetisi. Ena ke transceiver ea COFDM. Setšoantšo sa 1886, Kopa lintlha tse mabapi le mohlala ona. chat on whatsapp

Mosebetsi oa khaso ea UDP: Vcan1816, Kopa lintlha tse mabapi le mohlala ona. chat on whatsapp

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