{"product_id":"nowyj-podhod-k-chastotnomu-multiplexirowaniu-von-santosh-kumar-gupta-harshita-solanki-und-manisha-sisodq","title":"Nowyj podhod k chastotnomu mul'tiplexirowaniü","description":"\u003cp\u003eSistemy shirokopolosnogo besprowodnogo dostupa, ispol'zuemye w zhilyh i kommercheskih pomescheniqh, stalkiwaütsq s neblagopriqtnoj sredoj rasprostraneniq radiowoln s mnogoluchewoj zaderzhkoj, rasprostranqüschejsq na desqtki i sotni bitowyh interwalow. OFDM qwlqetsq mnogokanal'nym resheniem problemy, woznikaüschej iz-za mnogoluchewyh äffektow. Kak izwestno, naibolee wazhnoj harakteristikoj OFDM qwlqetsq sinhronizaciq chastoty i wremeni, poskol'ku imenno oni obespechiwaüt ortogonal'nost' mezhdu podnesuschimi. V sisteme swqzi OFDM suschestwuet oshibka sinhronizacii mezhdu chastotami lokal'nogo generatora peredatchika i priemnika, izwestnaq kak smeschenie nesuschej chastoty, wyzywaüschee ICI i razrushaüschee ortogonal'nost' mezhdu podnesuschimi. V ätoj knige my izuchaem, kak CFO mozhet wliqt' na SNR w sisteme OFDM, w osnownom w sisteme C-OFDM, i rasschitywaem welichinu smescheniq chastoty, a takzhe prowodim issledowanie w mnogoputewoj srede.\u003c\/p\u003e\u003cdiv class=\"aw-variant-hidden-subtitle-div\" id=\"aw-variant-subtitle-9786206018612\"\u003e\u003ch3\u003eV mobil'noj swqzi\u003c\/h3\u003e\u003c\/div\u003e","brand":"Autorenwelt Shop","offers":[{"title":"Softcover - 9786206018612","offer_id":46741106950469,"sku":"9786206018612","price":19.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0622\/files\/2e02d1df-b096-4983-9c77-ce67b9535e69.jpg?v=1758695713","url":"https:\/\/shop.autorenwelt.de\/products\/nowyj-podhod-k-chastotnomu-multiplexirowaniu-von-santosh-kumar-gupta-harshita-solanki-und-manisha-sisodq","provider":"Autorenwelt Shop","version":"1.0","type":"link"}