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Buku Logwiritsa Ntchito Kanema Encryption & Decryption Equipment
1: Mfundo yachinsinsi ya kanema:
Pambuyo sonkhanitsani mavidiyo a CVBS ndikuchita AD (analogi-to-digital) kutembenuka. Chizindikiro cha digito chosinthidwa chimasungidwa kudzera mu FPGA, ndipo chithunzi cha kanema chimasinthidwanso. Kenako pangani kutembenuka kwa DA (digital-to-analog) kuti mupange CVBS yokhazikika ndikutulutsa kwa transmitter monga zikuwonekera pachithunzi (1)
2: Mfundo yosinthira makanema:
Timatembenuza AD (analog-to-digital) ndi kanema wa CVBS wolandilidwa ndi wolandila, timachotsa chizindikiro cha digito chosinthidwa kudzera mu FPGA, kukonzanso chithunzi cha kanemayo, kenako ndikuchitulutsa kuti DA (analogi-to-digital) chisinthidwe kukhala CVBS wamba ndikuchitulutsa pachiwonetsero monga momwe tawonetsera pa Chithunzi (1)
Mfundo chithunzi pansipa:
Chithunzi 1
3: Kusintha kwa Parameter:
3.1: Tsegulani mapulogalamu kasinthidwe, kupeza lolingana siriyo doko nambala (Chithunzi 2), kusankha ndi kutsegula siriyo doko (Chithunzi 3), dinani "werengani" kuwerenga panopa chipangizo magawo.
Chithunzi 3
Chithunzi 4
3.2:Sankhani "kuchulukira" kapena "kugwetsa" monga momwe zasonyezedwera pa Chithunzi 5, ndipo lowetsani zomwe mukufuna kukanda kapena kutsitsa monga momwe zasonyezedwera pa Chithunzi 6.
Chithunzi 5
Chithunzi 6
3.3: Dinani "Lembani" kuti mulembe zomwe zawonetsedwa pazithunzi 7
Chithunzi 7
4: Kulumikizana kwa Hardware:
4.1: Kulumikizana mwachangu
Lililonse tanthauzo la pini
1: DC GND
2: DC 5-15V
3: Kanema GND
4: Kanema mu (Lumikizani ku kamera kapena kuwongolera ndege kutulutsa kwa OSD)
5: Video GND
6: Video out (kulumikiza Tx)
7: TTL TXD
8: TTL GND
9: TTL RXD
2: Kusokoneza mgwirizano
Pin tanthauzo lililonse:
1: DC GND
2: DC 5-15V
3: Kanema GND
4: Kanema mu (kugwirizana ndi Rx kanema kunja)
5: Video GND
6: Kutulutsa kanema (kulumikizana ndi chiwonetsero / VR)
7: TTL TXD
8: TTL GND
9: TTL RXD
Kufotokozera za zochitika zapadera: Chifukwa cha kusiyana kwa mavidiyo a kamera, makina opangira mavidiyo, ndi makina olandirira mavidiyo kuchokera kwa opanga osiyanasiyana, pangakhale kusiyana kwa kuwala kwa kanema pakagwiritsidwa ntchito.Ngati izi zikuchitika, chonde tsatirani njira zomwe zili pansipa kuti musinthe gawo.
Choyamba chotsani kukana pa malo "1"
Ngati mavidiyowo akadali osakwanira, chotsani kukana pamalo "2" ndikufupikitsa