電磁輻射光譜 的英文怎麼說

中文拼音 [diànshèguāng]
電磁輻射光譜 英文
electromagnetic radiation spectrum
  • : 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...
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • : 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) ...
  • : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
  • : Ⅰ名詞[書面語]1 (按類別或系統編成的書或冊子等) table; chart; register 2 (指導練習的格式或圖形)...
  • 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. A coherent electromagnetic pulse in the range between the far - infrared and microwave region is used as a detection source. the amplitude of the wave is recorded by electro - optical or photoconductive sampling. after fast fourier transform, the amplitude and phase of the wave is given, then the complex refractive index standing for the absorption and dispersion of the material in thz region is extracted

    Thz ( 10 ~ ( 12 ) hz )時域技術是20世紀90年代發展起來的一種新型的測量技術,它使用頻率介於遠紅外和微波之間的相干脈沖作為探測源,利用取樣或導取樣的方法直接記錄thz場的振幅時間波形,通過傅立葉變換得到測量信號振幅和相位的分佈,進而獲得材料在thz波段的復介常數,即色散及吸收等信息。
  2. The main use of this element is to divide the em field in ir band and mmw band

    它最直接的作用是在反紅外波段的同時透毫米波,從而把兩種波長相差很大的場信號分開。
  3. Secondly, basing on the theory of on - off gain of small signal, the raman gain coefficient for frequency shift between 0. 5 and 20 thz of standard sigle mode optical fiber is measured by pump - probe method through a super luminescent diode ( sld ) as a broadband small signal probe source. thirdly, numerical simulation analysis of gain characteristic of raman fiber amplifier for c band wdm signal light is made according to the raman gain coefficient of the fiber measured before through target and four rank runge - kutta method. at the invariability of wavelength and maximum power of each of two pumps, schematic of powers of two pumps for best flatness on c band wdm optical gain was found out, at the same time, the factors of resulting in gain saturation is analyzed, too

    本文首先應用經典的理論對拉曼纖放大器的工作機制進行了分析,然後,根據小信號理論推導出的開關增益求出了纖拉曼增益系數的表達式,採用泵浦-探測波的方法,利用超二極體( superluminescentdiode簡稱sld )作為探測源,測量了所用標準單模纖頻移為0 . 5 - 20thz的拉曼增益系數,之後根據所測得的纖的拉曼增益系數對應用該類纖構成的放大c波段wdm信號的拉曼纖放大器的增益特性採用打靶法和四階龍格- - -庫塔進行了數值計算,在給定了兩個泵浦源的波長和最大功率后,找出了反向泵浦情況下使c波段wdm源增益最平坦的兩個泵浦的各自最佳功率,同時也分析了導致信號飽和的原因。
  4. This topic focused on the radiation effect on the uhmwpe fiber with electron beam ( eb ) radiation. and instron, sem, atr - ir, xps, epr, xrd et al were used to characterize the structure and properties of uhmwpe fiber before and after radiation treatmentand on this condition we probed into the grafting modification with eb radiation technology

    本課題研究uhmwpe纖維的子束照效應,運用子強力機、掃描鏡( sem ) 、全反紅外( atr ? ir )、 x子能( xps ) 、子順共振儀( epr ) 、 x線衍儀( xrd ) 、接觸角和交聯度測定等方法對uhmwpe纖維在子束照作用下的主要結構與性能變化規律進行了表徵和分析,在此基礎上對運用子束照技術進行uhmwpe纖維的表面接枝改性進行了探討。
  5. It concluded that self - activated luminescent centers are not distributed randomly but prefer to occupy the surface sites in nanoparticles. 5. by raman spectra, epr spectra and uv irradiation - induced spectra change, the organic function groups of - oh, - ch3 and - coo adsorbed electrically on the surface of nanoparticles were discussed

    Zns漪屆劣結匆、齡腔與發芳碩里j筍應忿丈君漪扮5藉助raman, epr (子順共振)以及紫外照誘導的變化等實驗手段,較深入的研究了納米晶的表面態。
  6. Topics covered include : statistical analysis of signal processing systems, including radiometers, spectrometers, interferometers, and digital correlation systems ; matched filters and ambiguity functions ; communications channel performance ; measurement of random electromagnetic fields, angular filtering properties of antennas, interferometers, and aperture synthesis systems ; and radiative transfer and parameter estimation

    主題包含了信號處理系統的統計分析;儀、儀、干涉儀及數位關聯系統;匹配濾波器、未定值函數;通信通道的效能;隨機場之量測;天線的角度濾波特性;干涉儀與孔徑合成系統;轉換與參數估計。
  7. For a warm and dense non - gaseous substance in high pressure object such as a star or a piece of metal, it will radiate light electromagnetic wave and the spectrum follows what we call a

    除了低壓下的氣體,只要密度較大而不是絕對零度的物體例如恆星或一塊鐵皆會不斷波,而它的會和一種稱為
分享友人