無向輻射器 的英文怎麼說

中文拼音 [xiàngshè]
無向輻射器 英文
nondirectional radiator
  • : 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...
  • : 名詞(車輪中車轂和輪圈的連接物) spoke
  • : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 輻射 : radiation; exposure; radio; beaming
  1. On the contrary, the infrared passive sensors detect and locate the targets in the space by the use of the heat of the targets, and they do n ' t radiate any energy to the space

    和雷達不同,紅外源探測通過接收目標的熱能進行定位和跟蹤,不空中任何能量,因而不易被偵察或定位,具有很強的抗干擾能力。
  2. Adopting the amendatory rate equation, the threshold of the micro - cavity has been studied and the conclusion is shown as following : if there is not non - radiation transition, the pump velocity just need to compensate the photon velocity escaped from the cavity, and the intensity of output light will direct ratio to the intensity of input light then we got a micro - cavity laser with no threshold

    採用修正的速率方程對微腔激光的閾值進行研究,得到如下結論:在沒有躍遷時,激光的泵浦速率只需恰好補償光子腔外的逃逸速率,輸出光強隨著輸入泵浦光強性線增加,實現所謂的「閾值」激光
  3. But the sound field generated by this kind of transducers in medium has s ome " congenital " shortcomings : there always exist zero areas in sound - axes of near - field however we change the frequencies and radii of transducers, so we need to look for better radiate transducers. in this dissertation, we design and make two kinds of radiate transducers : bunchiness control transducer with electric polarity division and gaussian transducer

    然而,這種類型的換能在媒質中產生的聲場,有其「先天性」的不足之處,在近場中論平面活塞的頻率和半徑如何變化,軸上和沿徑上都呈現出極大和極小交替分佈的干涉現象,因此我們有必要繼續尋求更為理想的形式。
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