Dab tsi yuav tsum tau them nyiaj rau thaum txhim kho tus choj wireless?

Txuas hniav feem ntau siv nyob rau hauv cov cheeb tsam uas tsis yooj yim rau nruab optical fiber lossis qhov twg hloov cov fiber ntau tsis yooj yim mus cuag. Lawv tuaj yeem paub tias lub teeb liab uas muaj hluav taws xob wireless. Nyob rau tib lub sijhawm, tus nqi teeb tsa cov choj yog qhov tsawg, thiab kev xa tawm hloov tau yooj yim dua. Txhawm rau nruab tag nrho tsis muaj xaim, nws kuj tseem siv tau nrog lub zog hluav taws xob lim dej. Yog li cov teeb meem twg yuav tsum tau them tau tias thaum nruab tus choj? Tom ntej no, cia peb tham txog kev ceev faj rau kev txhim kho choj.

Thaum tsim lub ntsiab lus - rau {{1} {{{{{2} {{2} Cov kab ke tawm sab nraud, thiab sab nraud cables. Txhawm rau kom ua tau zoo ntawm kev sib kis video thiab network bandwidth, Directional kav hlau txais xov feem ntau raug xaiv. Antennas yuav ua tau zoo txhim kho kev sib txuas lus thiab teeb liab zoo vim lawv cov teeb meem kev tshaj tawm cov cim oob khab.

Thaum txhim kho cov kav hlau txais xov, nws yog qhov tseem ceeb rau kev ua kom ncaj qha txoj haujlwm ntawm ob lub kav hlau txais xov. Qhov no tsis tsuas yog ua kom haum rau txoj kab ncaj nraim ntawm ob lub kav hlau txais xov, tab sis kuj tseem ua kom tsis muaj kev thaiv xov tooj cua ncig ntawm ob. Xov tooj cua yoj yoj tsis hais lus ncaj nraim xws li cov nqaj laser, tab sis nthuav qhia txog thaj chaw sib txuas lus hauv cheeb tsam wirelnel.

Lub tswv yim ntawm Fresnel qhov chaw yog qhov tseem ceeb vim tias muaj cov ntoo lossis muaj cov khoom siv hluav taws xob, yog li txo qhov ceev thiab zoo ntawm cov ntaub ntawv kis. Yog li ntawd, thaum npaj thiab txhim kho lub wireless wireless, nws yog ib qho tsim nyog los xyuas kom meej tias tsis muaj cov nyom ntawm wireless cov cim thiab kev ua tau zoo ntawm lub network.