COFDM HD Digital Wireless Video Transmission Development Kit
COFDM mkulu-tanthauzo digito opanda zingwe chithunzi kufala zida amatengera COFDM modulation luso，Anazindikira mokwanira ntchito ya mkulu-tanthauzo digito opanda zingwe chithunzi kufala，Kuti ogwiritsa ntchito aphunzire、Unikani ndi kuyesa ukadaulo wa COFDM wotumiza zithunzi。Zida zachitukuko zili ndi magawo awiri: chotumizira ndi cholandila。Ma transmitter amalowetsa kanema wa digito kudzera mu mawonekedwe a HDMI，Kusintha kwa COFDM pambuyo pa kukanikiza kwa encoding kwa H.264(Dziwani ntchito ya baseband)，Kenako imasinthidwa kukhala chizindikiro cha analogi ndi DAC ndikutumizidwa ku RF Transmitter kenako ndikudutsa PA.(amplifier mphamvu) Kwezani chizindikiro ku mlongoti kuti mutumize。COFDM无线图传开发套件发射端包括SEM9363编码调制板和D-PA2400A功率放大板两块电路板。Mapeto olandila akuphatikizapo FC2400A pansi kutembenuka board ndi COFDM Demodulator module，Tumizani chizindikiro cha kanema wa digito wotsitsidwa ku foni yam'manja kudzera pa mawonekedwe a USB(kapena PC、lathyathyathya)Pangani kusewerera kwa H.264 decompression。
Mapeto otumizira：
Kulandira mapeto：
COFDM HD Digital Wireless Video Transmission Development Kit Features：
- opaleshoni pafupipafupi：2.400Bolodi yosinthira pafupipafupi imasintha ma frequency a 2.4GHz RF kukhala siginecha ya 250MHz kenako ndikuisintha kukhala siginecha ya digito kudzera pakutsitsa kwa OFDM kupita ku gawo loyimitsa njira.
- Transmitter imatha kukhazikitsidwa kuti igwire ntchito mu PA imodzi ndi mlongoti umodzi，Itha kukhazikitsidwanso kuti igwire ntchito papawiri PA ndi mlongoti wapawiri
- Single PA transmit power：23dBm(200MW)，Mphamvu yosinthika yotulutsa
- Njira yogwirira ntchito imatha kukhazikitsidwa mkati mwa mayendedwe 8
- Channel bandwidth ikhoza kukhazikitsidwa：6m kapena 8m
- Kusinthasintha kwa nyenyezi kumatha kukhazikitsidwa：QPSK、QAM16、QAM64
- Convolution code rate imatha kusinthidwa： 1/2, 2/3, 3/4, 5/6, 7/8
- COFDM modulation alonda interval ndi configurable：1/4，1/8，1/16，1/32
- Kusintha kwamavidiyo a Transmitter：Mawonekedwe a Micro HDMI
- kanema psinjika mtundu：H.264
- zikumveka Image：1920x1080P@60、1920x1080I@60 kumbuyo n'zogwirizana，Adaptive input digito kanema source
- Mtengo wolumikizira mpweya：4.3~ 31.7Mbps chosinthika
- Transmitter imapereka mawonekedwe a TF khadi，Kuthandizira kujambula ndi ntchito yotumizira
- Transmitter imapereka mawonekedwe a OSD
- Transmitter imapereka doko lowongolera
- Thandizani kubisa kwa AES
- Transmitter mphamvu voteji 5.5V ~ 16V，350mA@12V
- wolandila kumva：8-96±1dbm pa MHz，6-97±1dbm pa MHz
- Receiver imapereka mawonekedwe a Micro USB(Bolodi yosinthira pafupipafupi imasintha ma frequency a 2.4GHz RF kukhala siginecha ya 250MHz kenako ndikuisintha kukhala siginecha ya digito kudzera pakutsitsa kwa OFDM kupita ku gawo loyimitsa njira.)，Kanema wotsitsidwa atha kulumikizidwa ku zida monga zolembera, matabuleti, ndi mafoni am'manja a H.264 decoding ndi kusewera.。
- Receiver magetsi magetsi：5V(Kupereka mphamvu kudzera pa USB mawonekedwe)
- kuchedwa kwadongosolo：<200Ms(Pamene decoding chiwonetsero pansi Windows，Kulowetsa kwa HDMI kuchokera ku transmitter kupita ku Windows decoding chiwonetsero pa wolandila)
- Mtunda wotumizira：1ku 3km
- Thandizani kulandila kwa mfundo zambiri
- Bolodi ya SEM9363 pa transmitter imapereka doko lowongolera、JTAG debug port
- Gulu la FC2400A pamapeto olandila limapereka doko lowongolera。
SEM9363 encoding modulation board(mtundu B)：
SEM9363无线数字图传编码调制板通过HDMI接口输入高清数字视频到Hi3516A处理器做H.264压缩编码，Kanema wophatikizika amazindikira kusintha kwa COFDM kudzera mu FPGA，Kenako idasinthidwa kukhala masinthidwe a analogi ndi AD936x ndikutumizidwa。Kwa ogwiritsa ntchito，SEM9363 board version B idzachotsa doko la Hi3516A、FPGA JTAG debug port、OSD mawonekedwe、control serial port、Zizindikiro monga mphamvu zamagetsi zimakhazikika ku J30 ndikutumizidwa ku mawonekedwe akunja a D-PA2400A board.。
D-PA2400A mphamvu amplifier board：
D-PA2400A mphamvu amplifier board ili ndi ma module awiri odziyimira pawokha a RF amplifier，Kulitsani ndi kutulutsa mawonekedwe a RF ndi SEM9363A。Mawonekedwe a J3 a D-PA2400A board ndi SEM9363 board(mtundu B)yolumikizidwa ndi mawonekedwe a J30，Chotsani doko la Hi3516A pa SEM9363 board、FPGA JTAG debug port、OSD mawonekedwe、control serial port、Zizindikiro monga magetsi zimayikidwa pa mawonekedwe akunja pamphepete mwa D-PA2400A.。Zotulutsa ziwiri za RF za board ya SEM9363 zimalumikizidwa ndi magawo awiri a RF a board ya D-PA2400A kudzera pa zingwe za IPEX.。Zizindikiro zogwira ntchito za gawo lililonse la amplifier pa bolodi la D-PA2400A：
- opaleshoni pafupipafupi：2.400Bolodi yosinthira pafupipafupi imasintha ma frequency a 2.4GHz RF kukhala siginecha ya 250MHz kenako ndikuisintha kukhala siginecha ya digito kudzera pakutsitsa kwa OFDM kupita ku gawo loyimitsa njira.
- phindu：34±1dB
- Pot1dB：31dBm
Chithunzi cha FC2400A：
Gulu lotembenuza la FC2400A limasintha chizindikiro cha 2.4GHz RF kukhala chizindikiro cha 250MHz，Kenako kudzera mugawo lotsitsa njira, kutsitsa kwa COFDM kumasinthidwa kukhala chizindikiro cha digito，Pomaliza, chizindikiro cha kanema wa digito chomwe chachotsedwa chimatumizidwa ku foni yam'manja kudzera pa mawonekedwe a USB(kapena PC)Pangani kusewerera kwa H.264 decompression。Kutulutsa kwa RF kwa bolodi la FC2400A kumalumikizidwa ndi kulowetsa kwa RF kwa gawo la COFDM Demodulator kudzera pamawayilesi。
- opaleshoni pafupipafupi：2.400Bolodi yosinthira pafupipafupi imasintha ma frequency a 2.4GHz RF kukhala siginecha ya 250MHz kenako ndikuisintha kukhala siginecha ya digito kudzera pakutsitsa kwa OFDM kupita ku gawo loyimitsa njira.
- RF mawonekedwe：SMA antenna mawonekedwe
- Kulandira kumva：8-96±1dbm pa MHz，6-97±1dbm pa MHz
- 8Bit parameter yosintha kusintha(Reception and demodulation parameter setting)
- Mawonekedwe a Micro USB(Bolodi yosinthira pafupipafupi imasintha ma frequency a 2.4GHz RF kukhala siginecha ya 250MHz kenako ndikuisintha kukhala siginecha ya digito kudzera pakutsitsa kwa OFDM kupita ku gawo loyimitsa njira.)，Lumikizani vidiyo yomwe yatsitsidwa kuzipangizo monga zolembera, matabuleti, ndi mafoni a m'manja pojambula ndi kusewera kwa H.264。
- magetsi magetsi：5V
- bolodi kukula：86mmx 31 mm
COFDM HD Digital Wireless Video Transmission Development Kit List：
- COFDM 2.4GHz 200mw双天线发射机
- Chipolopolo cha Aluminium
- Zomangidwa mu SEM9363 board
- Zithunzi za D-PA2400A
- 2.42 GHz kutumiza tinyanga
- pazipita chophimba kuwala(Mtundu D)1 chingwe(Amagwiritsidwa ntchito polumikiza kamera yamlengalenga)
- 1 OSD chingwe
- Control serial port connection line 1
- 1 serial debugging mzere
- JTAG debug port yolumikizira mzere 1
- 1 chingwe chamagetsi
- 1 TF khadi(Mapulogalamu omangidwira ndi zolemba, ndi zina.)
- FC2400A 2.4GHz yolandila gawo
- Chithunzi cha FC2400A
- COFDM Demodulator gawo
- 2.41 GHz kulandira mlongoti
- 1 chingwe cha USB
- 1 SWD debugging mzere
- mafayilo opangira ma hardware
- Chithunzi cha SEM9363、Fayilo yopangira gwero
- Chithunzi cha D-PA2400A、Fayilo yopangira gwero
- FC2400A board circuit schematic chithunzi、Fayilo yopangira gwero
- Hardware User Manual
- FPGA pin ntchito tanthauzo
- mapulogalamu
- 详见上文COFDM无线图传开发套件软件功能列表
- mtanda compiler
- Mapulogalamu Ogwiritsa Ntchito Mapulogalamu
- Hi3516A chosalekeza mapulogalamu chida、COFDM Demodulator module windows fayilo yoyika driver
- Ntchito Zaukadaulo：
Perekani chithandizo chaukadaulo pakatha chaka chimodzi mutagulitsa，包括客户基于COFDM高清数字无线图传开发套件技术方案开发自己产品的硬件原理图/Layout Review服务、Ntchito yokonza mapulogalamu。pakafunika kutero，Mainjiniya amatha kukonzedwa kuti athandizire kukonza zolakwika(Ndalama zoyendera zimatengedwa ndi wogwiritsa ntchito)。
Makonda utumiki
Sihaida imatha kusinthiratu zinthu za digito zotanthauzira mawu opanda zingwe zamawonekedwe osiyanasiyana malinga ndi zosowa zamakasitomala：
- Magulu ena ogwira ntchito pafupipafupi ndi mphamvu za RF zitha kuthandizidwa popanga ma module a PA okhala ndi mawonekedwe osiyanasiyana；
- Mapangidwe omwe alipo angasinthidwe kuti awonjezere mavidiyo ena olowera ndi kutulutsa makina opangira，Monga kulowetsa kwa transmitter AV、Kulowetsa kwa USB、Kuyika kwa SDI，Receiver HDMI linanena bungwe、Kutulutsa kwa SDI, etc.；
- IP protocol otsika-latency mtunda wautali kufala kwa burodibandi, etc.。
Kanema woyeserera waposachedwa wa drone Long-range Wirless Video Transmitter ndi Receiver
2W PA 27KM Yeniyeni Yezetsani kuchokera pamwamba paphiri mpaka kunyanja Line-of-Sight
Zaposachedwa 110Km kuyesa kanema wa drone Long-range Wirless Video Transmitter ndi Receiver
Makanema opanda zingwe a NLOS ndi kanema woyesa wolandila pomanga zokweza zamkati zosawoneka
65 KM drone UAV kwenikweni kuwuluka Test Wireless Video Transmission
65 KM drone UAV kwenikweni kuwuluka Test Wireless Video Transmission
1.5Km kwa NLOS yapansi, 10-20-30km LOS air to ground wireless video transmitter receiver transmitter
Chithunzi cha COFDM-912T NLOS (sanali mzere pamaso) 1.5km mayeso enieni mumzinda, nyumba, mitengo ndi misewu
Web Device Management UI ya UAV opanda zingwe kanema data ulalo transmitter transmitter ndi IP Net kamera
CVBS RCA 720P Wireless Video Transmitter yotsika mtengo kwambiri + 1080P Receiver Support 128 kubisa
COFDM-912T Yesani kwenikweni m'malo ovuta a mzinda, transmitter m'galimoto, wolandila mnyumbamo
Wotchipa Wireless kanema transmitter ndi chotchinga chaching'ono wolandira ali ndi thandizo lalikulu pa loko mphamvu siginecha
OFDM Wireless Video Transmitter for IP Camera Opepuka Long Range Transmission Automatic Network
HIV Distance
Flight Control Protocol
Kulowetsa Kanema wa Transmitter
Wireless Transmit Njira
Chopinga ndi Kuwona
Encrypt ndi decrypt
Kutumiza Carrier
Mayendedwe a Data
mlongoti
Mafunso okhudza Wireless Video Transmitter ndi Receiver
Makanema athu opanda zingwe ali ndi mitundu iyi yolumikizira makanema: HDMI 1080P ndi 4K HDMI, CVBS gulu, SDI, AHD, IP Ethernet, BNC, kapena tiuzeni mtundu wanji womwe mukufuna, injiniya wathu asintha kuti akwaniritse zomwe mukufuna.
Mtunda wathu wotumizira ukhoza kusinthidwa powonjezera ma amplifiers amphamvu. Pakadali pano, chachikulu ndi 15Km, 30Km, 50Km, 80Km, 100Km , ndi 150km, zomwe zimadalira zosowa za makasitomala.
Kumene, mtunda wotumizira womwe watchulidwa pamwambapa uli mkati LOS mndandanda wa zowonera. Ngati pali zopinga pakati pa transmitter ndi wolandila, NLOS (wopanda mzere wa mawonekedwe), mtunda wotumizira umachepetsedwa kwambiri, 1km kapena 2km yokha, kutengera kuchuluka kwa zopinga zapakatikati komanso malo opanda zingwe amderali.
Njira imodzi zikutanthauza, Titha kungotumiza ndikutsitsa kanema kapena data kuchokera pa chowulutsira makanema opanda zingwe kupita ku cholandila mbali imodzi, ndipo sitingathe kukweza kanema kapena deta kuchokera kwa wolandila kupita ku transmitter. Mtundu uwu umatchedwanso simplex.
Awiri zikutanthauza kuti, osati kokha kuti titha kutsitsa kanema kapena deta kuchokera ku chotumizira opanda zingwe kupita kwa wolandila, komanso tikhoza kukweza kanema kapena deta kuchokera kwa wolandila kupita ku transmitter. Izi ndizoyenera kugwiritsa ntchito ma drones. Simungangowona kanema wanthawi yeniyeni kuchokera ku drone, komanso kwezani lamulo kuti muwongolere drone kapena lamulo kuti muwongolere kamera ya PTZ kuti musinthe ngodya ya transmitter.. Izi zitha kugwira ntchito nthawi imodzi. Mtundu uwu umatchedwanso half-dulpex kapena full-duplex.
Chonde onani zambiri pa ulalo womwe uli pansipa. https://ivcan.com/request-a-quote-of-wireless-video-transmission/#simplex
Makanema ambiri opanda zingwe tsopano amathandizira AES128 kapena AES256 bit encryption ndi decryption, kutengera chitsanzo chomwe mwasankha. Chonde titumizireni kuti titsimikizire.
Ma frequency a onse otumiza makanema opanda zingwe ndi cholandila opanda zingwe zikhoza kusinthidwa. Ogwiritsa ntchito ayenera kugula ma board owonjezera osinthira magawo.
Komabe, poganizira kuti amplifier yamphamvu yofananira ndi mlongoti wakhazikika kale mkati mwamtundu wina katunduyo akatumizidwa kunja.. Ngati wosuta asintha ma frequency a transmitter, zogwirizana mkuzamawu wamagetsi, mlongoti wotumizira ndi mlongoti wolandirira ayeneranso kusinthidwa kuti azisinthasintha mofanana, ndipo ogwiritsa ntchitowa ayenera kukonzekera. Ngati ayi, zipangitsa kuti ma frequency a transmitter opanda zingwe azikhala osiyana ndi ma frequency a antenna, kupanga kulandira kumakhala kovuta. Chifukwa chake chonde onetsetsani kuti mwadziwitsa pafupipafupi zomwe mukufuna musanayitanitse.
Ngati ndi chitetezo kapena chinsinsi, Mutha gwiritsani ntchito encryption ndi decryption ntchito za transmitter ndi wolandila, zomwe zingatsimikizire kuti kufalitsa mavidiyo anu ndi achinsinsi. .
inde, mankhwala athu onse magawo akhoza makonda malinga ndi zosowa za kasitomala. Ngati muli ndi pempho lapadera, chonde tidziwitseni kudzera pa ulalo womwe uli pansipa.
https://ivcan.com/request-a-quote-of-wireless-video-transmission/
- Sinthani malo a wolandila kupewa kusokoneza komwe kungachitike kuchokera kumadera amphamvu a maginito.
- Onetsetsani kuti tinyanga tayala zonse zoulutsira ndi zolandirira zimakhala zoyima.
- Chonde kwezani tinyanga za chopatsira ndi cholandirira kuti sungani kusiyana kwina kwa msinkhu.
- Chonde yang'anani pozungulira kuti muwonetsetse kuti palibe zopinga pakati pa transmitter ndi wolandila.
- Sinthani mawonekedwe wa mlongoti wolandila.
- Ngati sizigwira ntchito, yesani kusuntha cholandira kuti chikhale pafupi ndi malo a chotumizira kuti muwone ngati ikupitilira mtunda wotumizira opanda zingwe.
- Kapena ganizirani kuwonjezera nsonga yopatsirana pakati pa transmitter ndi receiver.
- Mlongoti uyenera kukhala wokwera kuchokera pansi momwe ungathere, monga nthaka idzatenga chizindikiro chotumizidwa.
Kumene, timamvetsetsanso kuti ma transmitters otumizira mavidiyo opanda zingwe ndi olandila ndi okwera mtengo kwambiri. Muli kutali ndi fakitale yaku China. ndipo ndikuyembekeza kuti zinthu zomwe mumalandira ndizoyenera kuchita bwino kwambiri.
Ngati mumapereka chidwi chapadera pagawo linalake kapena ntchito, titha kutenga mavidiyo oyesera kutengera zomwe mukufuna kuwona, chonde omasuka kulankhula nafe. Sizitumizidwa kwa inu mwachindunji popanda chilolezo chanu.
Kuyesa kuchedwa kwa chowulutsira makanema opanda zingwe ndi cholandila, tiyenera kuchita mayesero awiri.
Choyamba ndikuyesa kuchedwa kuchokera ku kamera kupita kuwonetsero.
Yachiwiri ndi kamera, kuphatikiza chowonetsera kuphatikiza chotumizira zithunzi zopanda zingwe komanso kuchedwa kwa wolandila.
Kuchotsa zotsatira ziwiri zoyesa ndikuchedwa kwenikweni kwa chowulutsira makanema opanda zingwe ndi wolandila.
Monga katswiri wautali utali wa HDMI opanda zingwe kanema chopatsilira ndi wolandila katundu ndi Mlengi ku China Shenzhen, timapanga makina otumizira mavidiyo opanda zingwe komanso olandila kwa zaka zambiri, ndipo tili ndi mbiri yabwino komanso ndemanga zabwino kwambiri.
Mitundu ina yotchuka ya ma transmitters opanda zingwe, ngati Blackmagic, Malo a Holyland 300 400m, Accoon cine diso 5g, RavenEye, Zhiyun, Ndi benbox, actiontec, CVW SWIFT 800, dahua, iogear, Zithunzi za 225k, microlite, kumeza, teradec.
Makanema abwino kwambiri opanda zingwe opanda zingwe komanso wolandila amakhala ndi mapulogalamu ambiri, pa 4k tv, CCTV chitetezo kamera, kamera yosungira galimoto, PTZ kanema kamera zida, zoyendetsedwa ndi batri, kompyuta, Sony camcorder, wifi kanema msonkhano dongosolo, Chithunzi cha CANON DSLR, UAV drone, laputopu ya pc, pulojekiti, mu galimoto, IPhone iPad, kukhamukira kwamoyo, Kamera yamasewera a GoPro, rasipiberi pa, Xbox.
Kanema wathunthu wa HD, zomvetsera, ulalo wa data wocheperako kwambiri wa 1080P wopanda zingwe wotumizira makanema ndipo wolandila amakhala ndi zolumikizira zambiri zolowera ndi zotulutsa, monga AV composite CVBS, HDMI, SDI, BNC, VGA, USB.
Makanema opanda zingwe otumiza TX RX pafupipafupi ali ndi 170-806Mhz, 1.2ghz pa, 2.4G, 5.8G, otsika kwambiri koma osati zero latency. Pofuna kuthandizira mtunda wautali, amplifier mphamvu ili ndi 10w, 20Watts, ndi 30w.
Kodi chabwino kwambiri kugula FHD opanda zingwe kanema transmitter pamtengo wotsika mtengo? Iyenera kuganizira zofunikira zanu, sankhani moyenera, osakwera mtengo, ngati muli ndi chikaiko, Chonde kukwaniritsa funsani mtengo mawonekedwe, injiniya wathu adzakupatsani yankho.
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