positive light modulation 中文意思是什麼

positive light modulation 解釋
正光調制
  • positive : adj 1 確實的,明確的;確定的;無條件的 (opp qualified implied inferential); 絕對的,無疑問的,...
  • light : n 1 光,光線;光明,亮光 (opp darkness) Hang the picture in a good light 把那幅畫掛在能看清楚的...
  • modulation : n 調整,調節;(聲調的)抑揚,變化;【音樂】轉調,變調;【無線電】調制。 amplitude modulation 振...
  1. They pointed out that modulation wave fronts ( such as those in the front of a light pulse ) in a negative index material are aligned the same way as they are in a positive index material ? anything else would violate basic causality and require parts of the wave to travel with infinite velocity

    他們指出在負折射率材料中調制波前(例如光脈沖前端的波前)的方向,與在正折射率材料中相同;若非如此,就會違反基本因果律,且部份波的前進速度將成為無限大。
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