Tohu Digital - kounga, tika, te haumaru

Kei te whakawhanake rawa tere Modern ao mōhiohio, na me tika ahau ki tamata ki kia wa katoa ki runga ki te rā ki te hangarau hou. Tenei ka tukua ki a koe te huru ki ngā huringa, me te farii i te ratonga kounga teitei.

Hoki te tangata noa i roto i te huarahi i te āhua o te tohu mamati tairitenga ranei - he āhuatanga uninteresting. Otira i te mea he pātai e pā ana ki te rerekētanga i waenganui i ngā hōputu mamati me tairitenga tohu ranei, e timata ana ki te whakaara pātai. Ko te mea ngaro e ka mutu nga hangarau e kua hanga ki runga ki te mau parau tumu o te tairitenga, maoro,, tona oraraa, me te tino hoatu nga whatumanawa o te whakawhiti o ngā mōhiohio "ahua".

Otiia tae noa kahore i tae mai i tenei kau, i te wa wa ki reira he he hiahia ki te tahuri i te tohu tairitenga ki mamati. Ko hoki reira e kore e nohinohi, i te mea e tika ana ki te hanga i te mamati ki te faafariuraa tohu tairitenga.

Ko te tohu tairitenga i tona matua - ko te awa tohu raraunga motuhake, e taea te whakaahuatia e etahi tenei mahi tonu ki te whakapai kanohi ki te wā. tikanga o tēnei e te kaha tīwera oscillation e taea e tetahi uara i roto i etahi te tihi.

tohu Digital - he awa tohu raraunga motuhake, e taea te whakaahuatia e etahi mahi motuhake ki te faatura ki te wā. Ko te, tona kaha tīwera taea anake te tango i te uara pai-tautuhi.

Hoki te tohu tairitenga āhuatanga e te maha nui o pokanoa rerekē. Ko te tohu mamati he āhuatanga whai hua ki te tātari te nuinga o te pokanoa pea. tutuki tēnei i roto i te kaha ki te whakahoki mai katoa o te raraunga taketake. Ano, titore te tohu mamati ngaro o ngā mōhiohio hapanga awa raraunga, i hoki te orotahi whakawhiti āhuatanga te kore nui nui o te kawenga kōrero pū. I roto i te kotahi hongere tinana taea tuku tohu mamati maha, mea kotahi anake tairitenga.

Ko te tohu mamati kua tetahi āhuatanga nui - ko reira tona haumaru. Ko te kupu, he kaupapa ki tata tetahi mana whakaekenga ranei i te taiao te tohu tairitenga. I te wa ano, kua reira te kaha ki te kia mamati whakamuna e vahe reira he waehere motuhake i te huinga o ngātere. Faaore i tata tetahi pokanoa ki nga tangata e kore e nei i tenei tika, i roto i te tukanga o te whakawhiti raraunga. Ko te rerekētanga anake o "ngā tau" - ko te matatini o te tuku i runga i tawhiti roa tenei. Ko te ngāwari tenei raruraru faatiti'aifarohia e te whakamahi o ngā pūrere motuhake ki te puoro mahi / demodulation.

Ko te whakawhiti ki te tohu mamati he tino āwangawanga ki ngā kaiwhakamahi pouaka whakaata. No te iwi maha, ko te TV me noho tonu te puna kapu o te mōhiohio. I te taua hangarau tawhito e kore e farii i "ahua". reira i te mea e tika ana ki te whakamahi i tohu mamati te pūrere motuhake -preobrazovatel.

Ka taea e te āwhina reira tahuri koe tetahi tohu mamati ki te tairitenga hiahiatia. mawehe tenei utu atu mo te hoko o te huinga TV hou, me te ka taea te whakamahi o raraunga mamati kounga i runga i tō pūrere tairitenga.