高能電磁輻射 的英文怎麼說

中文拼音 [gāonéngdiàncífúshè]
高能電磁輻射 英文
high-energy electromagnetic radiation
  • 高 : Ⅰ形容詞1 （從下向上距離大; 離地面遠） tall; high 2 （在一般標準或平均程度之上; 等級在上的） above...
  • 能 : 能名詞（姓氏） a surname
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 輻 : 名詞（車輪中車轂和輪圈的連接物） spoke
  • 射 : 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） ...
  • 高能 : high energy高能等離子體 energetic plasma; 高能點火 [航空] high energy ignition; 高能電池（組） hi...
  • 電磁 : [電學] [物理學] electromagnetism電磁安（培） abampere （電磁系電流單位）; 電磁泵 electromagnetic ...
  • 輻射 : radiation; exposure; radio; beaming
  1. An electron can drop from a higher level to a lower one with the emission of a packet of electromagnetic radiation.

    利用電磁輻射束的輻射，能使電子從高能級落到低能級。
  2. A patch antenna with air holes in the substrate has been designed. the finite - difference time - domain ( fdtd ) method together with the perfectly matched layer ( pml ) boundary treatment has been used to study the performance of the antenna. it is shown that the surface waves are significiently suppressed, the frequency bandwidth is improved, the sidelobe levels are reduced and consequently the gain in the forward direction is improved by 14 db ( about 4 db higher than the value reported previously )

    設計了一種基底鉆周期圓孔結構的電磁（光子）晶體貼片天線，用fdtd方法並結合pml吸收邊界條件對該天線進行了研究，結果表明本文所設計的基底鉆孔型電磁晶體貼片天線取得了多方面的性能改善，與普通天線相比，基底中的表面波受到很大抑制，天線的帶寬增加，遠場方向圖上天線的旁瓣和背瓣被明顯削弱，向前輻射的增益由原來的12db增加到26db ，增加了14db ，比文獻上報道的gonzalo等人的研究結果提高了4db 。
  3. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd方法並結合pml吸收邊界條件，我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁（光子）晶體貼片天線的性能進行了研究，結果證明加了這種新的電磁晶體覆層結構以後，天線的波束收攏很多，並且向前輻射的增益大大提高，與普通天線相比，天線的e面和h面方向圖上向前輻射的增益均提高了約6db ，另外，該復合結構天線的方向性系數達到了11 . 5浙江大學博士學位論文db ，與該物理尺寸天線的方向性系數的理論極限值（ 11 . 9db ）相差0 . 4db ，該差值比thevenot等人設計的電磁晶體覆層天線的相應差值減少了約4 . 1db ，比qiu等人設計的電磁晶體天線的相應差值減少了約1
  4. So the conventional solid windows have been becoming the threshold of the laser energy ' s promotion and the optical quality ' s improvements. to solve the above - mentioned problem of hel ' s output solid windows the concept of aerodynamic windows ( abbr. adw ) is proposed according as the property of gas, i. e

    由於氣體介質具有對電磁輻射選擇吸收的特性，而且其擊穿功率閾值也特別高，因此為了解決上述高能激光器固體輸出窗口的「瓶頸」問題，根據氣體介質的這一特性，提出了氣體動力學輸出窗口（簡稱為氣動窗口， adw ）的解決方案。
  5. Ionizing radiation includes high speed particles and high energy electromagnetic waves

    電離輻射包括高速粒子及高能量電磁波。
  6. One of the most important directions in the study of colossal magnetoresistance materials is to fabricate the bolometer, which can work near the room temperature and shows an excellent performance, if the films can be prepared with the metal - insulator transition temperature ( tmi ) reaching to the room temperature

    利用超巨磁電阻材料製作工作于室溫的高性能測輻射熱儀是國際上cmr應用研究的一個重要方向，而能否制備具有室溫轉變點的薄膜材料是其中的一個決定因素。
  7. It has a very complete products line, from cat - 5, cat - 6 to cat - 7, from utp, ftp to optic - fiber, information module, patch cord and headband etc. the products number has come to more than 500. it can provide all series of cabling products for the wider users, especially, the ftp cabling system is the expertise of schneider electric. no matter it is workshop that endures strong the electromagnetism radiation interfere, or governmental organs that have high security level requirement and the cabling system can " t product electromagnetism radiation, several patent ftp technologies that schneider electric has can ensure the safety of network

    據悉，梅蘭日蘭infra +系列定位於高端客戶群體，以品質著稱，自2001年以來已在法國的本土綜合布線市場佔有率名列第一，擁有非常完整的產品線，從超5類、 6類到7類，從非屏蔽、屏蔽到光纖，以及信息模塊、跳線、面板等等，產品編號已達500多個，可以為廣大的用戶提供全系列布線產品，尤其是屏蔽布線系統更是施耐德電氣的專長，無論電磁輻射干擾強烈的工廠生產車間，還是對網路安全性要求較高、布線系統不能產生電磁輻射的政府機關中，施耐德電氣所擁有的多種專利屏蔽技術都能夠確保網路安全。
  8. Electromagnetic radiation used to raise atoms or molecules to a higher energy level

    電磁輻射能用來將原子或分子提升到較高能級的電磁輻射
  9. These electromagnetic waves can affect telecommunications, radio broadcast and navigation system on earth. sometimes, charged particles can also endanger the operations of spacecraft and satellites in space, and expose astronauts to higher amounts of radiation

    這些電磁波能幹擾地球的廣播通訊及無線導航系統，而帶電荷粒子亦能對航行中的太空船和人造衛星構成危險，也會使太空人處于較高輻射環境中。
  10. If metal shielding exceeds a centimeter, electromagnetic protection declines drastically, he explains, because impacts by energetic particles can cause strong electromagnetic bremsstrahlung radiation that can result in extensive damage. ( bremsstrahlung is german for the “ braking radiation ” produced when a charged particle decelerates rapidly as a result of collision with another body

    他進一步解釋，金屬防護層厚度超過一公分時，電磁防護能力將大幅降低，因為受高能粒子撞擊時，會形成強大的制動輻射，造成更大的損害（制動輻射是由於帶電粒子碰撞其他物體而突然減速所造成） 。
  11. There exists strong magnetic field and abundant energetic particles in active coronal region, in magnetic field the extremely relativistic electrons will produce synchrotron radiation

    太陽日冕中存在較強的磁場和大量的高能電子，在磁場中極端相對論電子將產生同步加速輻射。
  12. This thesis contributed to the comprehensive study of the finite - difference time - domain ( fdtd ) method and its application to the numerical computation of radiated electromagnetic fields in switched mode power supplies. the work includes mainly three parts : the study on the performance of pml absorbing boundary condition applied to pseudo low frequency electromagnetic problems ; the validation of the fdtd method with pml absorbing boundary conditions and the corresponding computer software based on the numerical study of the electromagnetic field of an electric dipole antenna, and its application to the numerical computation of radiated electromagnetic fields in switched mode power supplies ; the development of an improved alternating direction implicit finite - difference time - domain method

    在綜合前人工作基礎上，本文對時域有限差分（ fdtd ）法及其在開關電源輻射電磁場數值計算中的應用進行了系統的分析和研究，其核心內容包括：偽低頻電磁場數值計算中pml吸收邊界條件性能的研究；基於基準問題?電偶極子天線三維輻射電磁場，驗證了本文構造的基於pml吸收邊界條件的三維fdtd法及其計算軟體，並應用於高頻開關電源輻射電磁場的數值分析；提出了一種改進的交替方向隱格式時域有限差分法。
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