譜線寬 的英文怎麼說

中文拼音 [xiànkuān]
譜線寬 英文
spectral line width
  • : 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)...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  1. At the same time, the cw 40w diode laser is successfully packaged

    激光器譜線寬度3nm ,電光效率接近40 。
  2. It is concluded that at the boundary of brillouin zone there is a strong broadening in the magnon linewidth and softening

    發現在布里淵區邊界區域磁振子的軟化和磁振子最明顯。
  3. The influences of longitudinal phonon and transverse phonon on the softening and broadening in the magnon linewidth are compared, and the influences of the parameters are also illustrated

    比較了縱向聲子與橫向聲子對磁振子的軟化與磁振子的影響,也討論了各項參數的變化對磁振子的軟化與磁振子的影響。
  4. The magnitude of the turbulence then follows directly from the observed line with if the nebular gas temperature is known.

    如果已知星雲氣體的溫度,則湍流的大小可直接從觀測的譜線寬度得出。
  5. We form a ly a line sample from spectra of 19 qsos in the literature. in this analysis, we demonstrate that a proximity effect is present in the data ; i. e., there exists a significant deficit of lines at zabs = zem, within 4h - 1 mpc of the qso emission redshift. and the deficit depends on the rest equivalent width of the lines, with weak lines showing a relatively weaker effect

    我們發現所選樣本中確實存在接近效應,特別在z _ ( abs ) z _ ( em )附近距類星體4h ~ ( - 1 ) mpc范圍內, ly森林的數相對演化規律估計得到的數缺少很顯著,並且與的靜止等值度有關,弱的接近效應較弱。
  6. During unsaturated growth, the width of the spectral profile will decrease.

    在非飽和增長期間,輪廓的度將減小。
  7. The characteristic frequencies of the raman and infrared spectra of the fergusonite and aeschynite group minerals, monazites and the rare earth fluoro - carbonate minerals have been determined and assigned

    ( 3 )變生態礦物拉曼光的強度很弱、譜線寬而彌散,而退火晶態礦物的拉曼峰強而尖銳。
  8. However, the recent demand for immediate expansion of the fiber - optic communication window has been an area of significant interest

    那麼對于增大edsfs帶平坦化的研究就顯得尤為重要,而一個主要的實現方式就是在edsfs中加入濾波器。
  9. Now the most common standard to characterize the mechanical property of a surface of metallic material is the half width of the x - ray, and micro hardness

    摘要目前用來表徵金屬材料表面力學特徵最常見的指標是x射衍射的半高和顯微硬度,人們普遍認為,材料的半高值越大,其硬度越高。
  10. To search for high - velocity molecular emission toward massive star formation regions, and to study the connections between h2o masers, iras objects and outflow properties, we carried out a co observation for a h2o maser sample. we found that most of the objects have excess high velocity emission produced by outflows ; we find a significant correlation between co line full widths and iras luminosities. the widths are proportional to the iras luminosities

    通過在大質量恆星形成區搜尋高速分子輻射,並且研究它們與星際h _ 2o脈澤源和所聯系的紅外源之間的關系,我們發現絕大多數源都存在著氣體的高速運動並且它們是由分子外流產生的;我們同時發現在co分子的和所對應源的紅外光度之間存在很好的相關性,隨紅外光度增加而變大。
  11. Based on the viewpoint of interaction between waves in plasmas, the partial differential equation that causes the spectral lines broadening has been deduced from radiation transfer equation of high - frequency electromagnetic waves in plasmas. the numerical solution has been obtained by using the fortran program we compiled. we concretely calculated the spectral lines widths of and fraunhoferx 3704 in corona, fj / a4923. 9 in dwarf nova oy car and f. / a4934 in the variable star rr lyrae

    本文從等離子體波與波相互作用觀點出發,由高頻電磁波輻射轉移方程導出了引起譜線寬度變化的偏微分方程,編寫fortran程序求解偏微分方程的數值解,具體計算了日冕綠f _ exiv 5303和夫朗禾費3704 、矮新星oycarf _ eii 4923 . 9 、天琴rr型變星f _ ei 4934的值,對以上各中的等離子體致效應作了初步計算。
  12. Optical microcavity arouses great interest in condensed state physics. it can change characters of spontaneous emission, such as spectral full width at half - maximum, light intensity at peak and so on

    光學微腔是目前凝聚態物理的研究熱點,它能夠改變自發發射的特性(譜線寬度、發光強度等) 。
  13. By use of g. d. shen ' s tunneling cascade theory we have fabricated high performance and high power tunneling cascade ingaas / gaas / algaas 950nm / 990nm double wavelength strained quantum well lasers on the basis of former tunneling cascade high power lasers and high brightness light emitting diodes. the lasers " two peak wavelength are 95 ? nm and 990 ? nm. el spectrum ' s fwhm is 3nm

    在以往隧道級聯大功率應變量子阱激光器及高亮度發光管的理論研究與實驗的基礎之上,採用沈光地教授提出的隧道級聯思想,成功研製出基於ingaas gaas algaas材料的高性能大功率隧道級聯950nm及990nm雙波長應變量子阱激光器,激射波長分別為952 2nm和990 2nm , el譜線寬度約3nm ,未鍍膜器件單面最大輸出光功率可達2w以上,閾值電流最低達120ma 。
  14. Then, on the basis of coupled wave equations, theoretically studies of opo threshold parameters and of the conversion efficiency and of linewidth control are presented. several principles of the optimum design for opo are discussed. the experimental investigations of noncritical phase matching

    以耦合波方程為基礎,分析和計算了光學參量振蕩器的轉換效率、抽運閾值、譜線寬度等特性,並在此基礎上討論了如何選擇opo的各項參數。
  15. Theoretical analysis shows : compared with oled, moled with alq3 as light - emitting layer can emit different wavelength light by modulating length of cavity, spectral full width at half - maximum of moled changes from 100nm to 10nm ~ 20nm and the light intensity at peak is increased by about 20 times, and luminous efficiency can be enhanced

    理論分析表明:通過調節腔長,用alq3作發光層的moled可以發出不同中心波長的光,譜線寬度由oled的約100nm變為10 ~ 20nm ,峰值光強提高20倍左右,總發光效率也有所提高。
  16. A new synthetic method, like sol impregnation method, was used to synthesis licoxni1 - xo2 compounds. using this method, reactants ni1 - xcox ( oh ) 2 and liohh2o can be maximizing mixed through the organic reagent impregnating and the original particle pattern and reactivity of the precursor ni1 - xcox ( oh ) 2 can be hold. the results indicate that the method has avoids the shortage brought by classical method

    用xrd 、 sem等分析手段,從理論上分析了前驅體ni ( oh ) _ 2的結構特徵,發現峰形尖銳,晶型完整,晶體有序性好的ni ( oh ) _ 2活性低;而晶體有序性差,結構不完整,有較多的品格缺陷,且( h01 )型譜線寬化嚴重的前驅體ni ( oh ) _ 2活性高。
  17. ( 2 ) the properties of displacement measurement based on self - mixing interference are mathematically analyzed. first, how the external phase influences upon the output frequency, intensity, power and line - width is discussed. then, the output signal ' s properties modulated by four waves, including sine wave, square wave, triangular wave and saw tooth wave, is discussed

    ( 2 )通過數值分析討論了自混合干涉位移測量系統的基本特性,包括外腔相位對輸出光頻、輸出強度、輸出功率、譜線寬度的影響,以及正弦波、方波、三角波、鋸齒波調制反射體位移時輸出信號的特點。
  18. Breadth of spectrum line

    譜線寬
  19. The central wavelength of 808nm, fwhm of 2. 2nm and e - o efficiency of 45 % are achieved. most of the experimental results about high - average - power diode laser package have not been reported in previously published paper in this field

    利用該冷卻器實驗封裝出連續輸出1kw的二維陣列二極體激光器,激光中心波長808nm ,譜線寬度2nm ,電光效率達45 。
  20. For our laboratory is changing toward industrialization, a lot of work on conventional ingaas / gaas / algaas quantum well laser has been done. how the parameters, such as threshold current density, slope efficiency, fwhm and spectrum width, are influenced and how much the influence is, are discussed by the numbers. the effective means how to improve a certain performance parameter are purposed too

    由於本實驗室正處于由試驗研究向產業化邁進的階段,針對常規ingaas / gaas / algaas量子阱激光器做了很多工作,文中系統論述了常規量子阱激光器的各項性能參數?閾值電流密度、斜率效率、遠場發散角、光譜線寬等的影響因素及改進的有效辦法,並針對激光器p ? i性度不好、遠場發散角出現多瓣的現象,通過理論分析找出原因所在並進行了改進,有效解決了以上問題。
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