聚焦困難 的英文怎麼說
中文拼音 [jùjiāokǔnnán]
聚焦困難
英文
difficulty focusing- 聚 : 動詞（聚集; 聚積） assemble; gather; get together
- 焦 : 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;...
- 困 : Ⅰ動詞1 （陷在艱難痛苦中或受環境、條件的限制無法擺脫） be stranded; be hard pressed 2 （控制在一定...
- 難 : 難Ⅰ形容詞1 （做起來費事的） difficult; hard; troublesome 2 （不容易; 不大可能） hardly possible 3...
- 聚焦 : [物理學] （使光或電子束等聚集於一點） focus; focusing; concentrate
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3. because traditional coupling system composed with cylinder lens and focus lens has the disadvantages of difficult to encapsulation and modulate, a new practical method brings forward : the output light from laser diode is collimated using a section of optical fiber with the diameter of 600 m instead of cylinder lens, and a sphere ? end lens
3 .針對由柱透鏡和聚焦透鏡組成的組合透鏡耦合系統中存在的封裝和調試困難等問題，提出了:用一段直徑為600 m的裸石英光纖代替柱透鏡，對半導體激光器輸出光束進行準直整形;用球透鏡光纖對準直后的光束進行聚焦，直接實現和光纖耦合，來代替聚焦透鏡和光纖耦合的環節。Back then, chip designers considered it risky to add two or three layers of metal on top of the silicon wafer because each new layer added hills and valleys that made it difficult to keep photolithographic patterns in focus
當時的晶片設計者認為在矽晶圓上加上兩三層金屬有點冒險，會使晶圓表面凹凸不平，增加光刻過程中聚焦的困難。With the development of imaging sensors, more and more digital image processing technologies are applied to some fields. it is difficult or impossible to make all the objects focused in the same scene. how to fuse the objects in order to make all the objects focused in the fused image becomes imminent
同一光學傳感器在對同一場景成像時，要使場景中的所有目標都聚焦清晰是很困難的，如何將同一場景中的所有目標進行融合使融合后的圖像處處聚焦已成為一個急需解決的問題。
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