試題鑒別指數 的英文怎麼說

中文拼音 [shìjiànbiézhǐshǔ]
試題鑒別指數 英文
item discrimination index
  • : 名詞(古代占卜用的器具) astrolabe
  • : Ⅰ名詞1. (題目) subject; title; topic; problem 2. (姓氏) a surname Ⅱ動詞(寫上) inscribe; write
  • : Ⅰ名詞1 (鏡子 古代用銅製成) ancient bronze mirror2 (可以作為警戒或引為教訓的事) warning; objec...
  • : 別動詞[方言] (改變) change (sb. 's opinion)
  • : 指構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • 試題 : examination questions; test questions試題庫 item pool
  • 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
  1. First, in virtual of identification of flaws is a typical of in - verse problems, proceeding from time - harmonic electromagnetic maxwell ' s equa - tion and helmholtz equation, the uniqueness and existence of direct scattering problems including the numerical algorithms of diverse of boundary conditions is given. second, the uniqueness and existence of inverse scattering problems and the theory of ill - posed integral equation are briefly looked back upon. finally, indicator function method for boundary identification is set up under all kinds of boundary conditions for inverse scattering of homogenous and inhomogenous objects, meanwhile, the proof of possibility for near - field measurements and nu - merical simulation are given

    由於缺陷的識是一類典型的反問,因而首先從時諧電磁maxwell方程和helmholz方程出發,具體地闡述了求解正散射問的有關方法,包括各種(夾雜)邊界條件下的值解法,就解的存在性唯一性給予了肯定的回答;隨后對逆散射問的理論作了簡短的回顧,包括解的唯一性以及非線性不適定積分方程的處理等;然後對均勻介質和非均勻介質的逆散射問建立了在各種邊界條件下的邊界識示函方法,于近場據獲得的重要性,對近場測時邊界識的方法給予了相應的證明,並且實現了值模擬。
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