無限遠聚焦 的英文怎麼說

中文拼音 [xiànyuǎnjiāo]
無限遠聚焦 英文
focus for infinity
  • : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : Ⅰ形容詞1 (空間或時間的距離長) far; distant; remote 2 (血統關系疏遠) distant in relationship 3...
  • : 動詞(聚集; 聚積) assemble; gather; get together
  • : Ⅰ形容詞1 (物體受熱失去水分 呈現黃黑色並發硬、發脆) burnt; scorched; charred 2 (著急) worried;...
  • 無限 : infinite; limitless; boundless; immeasurable; unlimited
  • 聚焦 : [物理學] (使光或電子束等聚集於一點) focus; focusing; concentrate
  1. A range in relation to an optical system, such as a camera lens, representing distances great enough that light rays reflected from objects within the range may be regarded as parallel

    區)與光學系統(如照像鏡頭)有關的一個范圍,表示距離是如此之,以至於從在這一距離的物體上反射回來的光可以視為平行光線
  2. Second the model of array was considered to have elements of finite width and infinitely large elevation dimension. this model ignore the effect of elevation on beam focusing. this paper study on phased array which was considered to have elements of finite width and finite elevation dimension, the influences of transducer parameters on focusing effect is analy / ed, including the number of elements ( n ), interelement spacing ( d ), elevation dimension ( l ), width dimension ( )

    這種方法雖然計算方便,但實際很難實現,真正的振元總是有一定的尺寸,這種方法忽略了陣元的尺寸對效果的影響,后來,另一種線性陣的模型被提出,即認為單個陣元具有一定寬度a ,長度l為長,或者說a小於l ,這種模型忽略了陣元長度l對聲波效果的影響。
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