{"product_id":"teoriq-integro-differencialnyh-urawnenij-wibratornyh-antenn-von-stefan-jeminow","title":"Teoriq integro-differencial'nyh urawnenij wibratornyh antenn","description":"\u003cp\u003eV rabote postroena strogaq teoriq integro-differencial'nyh urawnenij wibratornyh antenn. V osnowe teorii lezhit wydelenie glawnogo operatora i dokazatel'stwo togo, chto glawnyj operator qwlqetsq simmetrichnym i polozhitel'no opredelennym w prostranstwe kwadratichno summiruemyh funkcij. Dokazano, chto integro-differencial'noe urawnenie äkwiwalentno urawneniü Fredgol'ma wtorogo roda w änergeticheskom prostranstwe glawnogo operatora. Dlq resheniq integro-differencial'nogo urawneniq predlozhen metod Galerkina na osnowe polinomow Chebyshewa wtorogo roda, umnozhennyh na wesowuü funkciü.    Analiz chislennyh raschetow pokazywaet, chto w zadachah difrakcii shodimost' metoda Galerkina bystraq, a w zadachah wozbuzhdeniq medlennaq. I prichina medlennoj shodimosti swqzana s tem, chto w zadachah wozbuzhdeniq prawaq chast' integro-differencial'nogo urawneniq razlagaetsq w medlenno shodqschijsq rqd. Dlq preodoleniq ukazannoj trudnosti predlozhen nowyj chislenno-analiticheskij metod resheniq, kotoryj mozhno rassmotret' kak modifikaciü metoda Galerkina.\u003c\/p\u003e\u003cdiv class=\"aw-variant-hidden-subtitle-div\" id=\"aw-variant-subtitle-9783659342653\"\u003e\u003ch3\u003eIssledowanie urawnenij wibratornyh antenn, postroenie chislennyh metodow i analiz rezul'tatow rascheta\u003c\/h3\u003e\u003c\/div\u003e","brand":"Autorenwelt Shop","offers":[{"title":"Softcover - 9783659342653","offer_id":39485465919581,"sku":"9783659342653","price":49.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0622\/files\/48ae6ec7-4ac8-40b1-ba21-a3802bd3e652.jpg?v=1773381834","url":"https:\/\/shop.autorenwelt.de\/products\/teoriq-integro-differencialnyh-urawnenij-wibratornyh-antenn-von-stefan-jeminow","provider":"Autorenwelt Shop","version":"1.0","type":"link"}