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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...

Ma ka ʻōnaehana kamaʻilio kikohoʻe, loaʻa i ka mea hoʻokipa ka huina o ka hōʻailona i hoʻouna ʻia a me ka walaʻau kani. ʻO ka hoʻokipa maikaʻi loa o nā hōʻailona kikohoʻe e pili ana i ka "maikaʻi" criterion me ka liʻiliʻi loa o ka hewa. ʻO nā hewa i manaʻo ʻia ma kēia mokuna ma muli o ka band-limited ...

Fig. 6-6 he kiʻikuhi poloka o ka ʻōnaehana hoʻoili hōʻailona baseband maʻamau. Hoʻokumu nui ʻia me kahi kānana hoʻouna (channel signal generator), kahi ala, kahi kānana hoʻokipa, a me kahi mea hoʻoholo koho. I mea e hōʻoia i ka hilinaʻi a me ka hoʻonohonoho pono o ...