ʻIke

ʻO ka fiber optical kahi ala uwea no ka hoʻouna ʻana i nā hōʻailona ʻike. Kāhea mākou i nā hōʻailona uila i makemake ʻole ʻia i ke kahawai "noise ʻO ka walaʻau i loko o ka ʻōnaehana kamaʻilio ua superimposed ma ka hōʻailona. Inā ʻaʻohe hōʻailona hoʻouna, aia pū kekahi walaʻau i ka ʻōnaehana kamaʻilio. &#...

ʻO ke alahele he mea kamaʻilio e pili ana i ka hopena hoʻouna a me ka hopena e loaʻa ai, a ʻo kāna hana ʻo ia ka hoʻouna ʻana i nā hōʻailona mai ka hopena hoʻouna a i ka hopena e loaʻa ai. Wahi a nā media hoʻoili like ʻole, hiki ke hoʻokaʻawale ʻia nā kahawai i ʻelua mau ʻāpana: nā ala uila a me nā uea ...

Ma kēia ʻatikala e kamaʻilio wau e pili ana i ka Model System Communication i nā kikoʻī e pili ana i kā lākou 5 mau ʻāpana, (1) Source coding a decoding, (2) Encoding a decoding o nā kahawai, (3) Encryption a decryption, (4) Digital modulation a demodulate, (5) Synchronization. E luʻu hohonu kākou...

1. Hoʻokaʻawale ʻoihana kamaʻilio E like me nā ʻano lawelawe kamaʻilio like ʻole, hiki ke hoʻokaʻawale ʻia nā ʻōnaehana kamaʻilio i nā ʻōnaehana kelepona kelepona, nā ʻōnaehana kelepona kelepona, nā ʻōnaehana kamaʻilio ʻikepili, a me nā ʻōnaehana kamaʻilio kiʻi. No ka mea, ke kamaʻilio kelepona ...

Hiki ke manaʻo ʻia nā hōʻailona a me ka walaʻau ma ke kamaʻilio ʻana he mau kaʻina hana ʻokoʻa i ʻokoʻa me ka manawa. Loaʻa i ke kaʻina hana maʻamau nā hiʻohiʻona o kahi hoʻololi a me ka hana manawa, a hiki ke wehewehe ʻia mai ʻelua mau manaʻo like ʻole akā pili pili: ① ʻo ke kaʻina hana he hōʻiliʻili o ...

ʻO ke ala kamaʻilio ʻo ia ke ala e hana like ai nā kānaka ʻelua e kamaʻilio pū kekahi i kekahi a hoʻouna paha i nā leka. 1. Simplex, half-duplex a me full-duplex kamaʻilio No ke kamaʻilio kikoʻī, e like me ke kuhikuhi a me ka pilina manawa o ka hoʻouna ʻana i ka memo, ke ʻano kamaʻilio c...