full width half maximum (fwhm) 中文意思是什麼

full width half maximum (fwhm) 解釋
半極大處之全寬度
  • full : adj 1 充滿的,裝滿的。2 充分的,豐富的;擠滿的;(吃、喝等)盡興的,3 (精神)飽滿的。4 完全的,...
  • width : n. 廣闊;寬度;幅度;(布匹的)門面;幅員;廣博。 12 feet in width 闊 12 英尺。 width in the clear 【林業】除皮直徑。
  • half : n (pl halves )1 半,一半;一部分。2 半小時;半英里;半品脫;半價票;〈美國〉半美元;半學年,一學期。...
  • maximum : n (pl maximums ma ) 極點,最大,最高,最高額,最大值;最高點;最大限度;【數學】極大(值)(opp...
  • fwhm : 半高寬
  1. Fwhm full width half maximum

    譜線最大寬度
  2. After measuring dark current, photocurrent and response to x pulse of gaas detector before and after 1. 7 mev electronic radiation, the response tune, fall time of trailing edge, full width of half maximum ( fwhm ), sensitivity, carrier life, mobility are researched and contrasted. the result shows that the response speed of detector, time resolution ratio and nonlinear of back edge of output signal have been improved greatly after electronic radiation. though sensitivity of the detector reduces, its measuring range can be widened

    為了使探測器的性能得到進一步的提高,我們對其進行了電子輻照改性,並測量了本徵砷化鎵探測器和經過1 . 7mev電子輻照的探測器的暗電流、光電流及對x射線的脈沖響應,並對其響應時間,后沿下降時間,半高寬( fwhm ) ,載流子壽命,靈敏度進行對比,研究,結果顯示經電子輻照后的探測器的性能得到了改善,使響應速度,分辯率進一步提高,並消除了探測器輸出信號后沿的非線性,雖靈敏度有所降低,反而使其測量范圍得以拓寬。
  3. Another phase, the high temperature phase, is hexagonal with space group p - 62m, which is stable from 300 to 800. the lattice parameter and the full width of half maximum ( fwhm ) of xrd peaks of u3o8 were also investigated at different temperature, and it were found that they change with the temperature under rules

    在兩種相結構各自穩定的溫度范圍內, u _ 3o _ 8的點陣參數以及衍射峰半高寬( fwhm )出現了有規律的變化,這種變化表明u _ 3o _ 8的晶體結構依賴于環境溫度的變化。
  4. It is found from the experiment that under the conditions of peak magnetic field of 0. 57t, beam pulse fwhm ( full width of half maximum ) of 44ns, a microwave radiation pulse with fwhm 25ns and whole width of 35ns is produced, when the intensity of the guiding magnetic field rises, the peak microwave power changes little but the width of the pulse reduces. the a - k gap also has obvious influence on the microwave radiation, the stable and higher microwave output is obtained under suitable gap

    實驗中還發現,在峰值磁場0 . 57t和束流半高寬44ns情況下,得到了25ns半高寬和35ns底寬的微波脈沖信號,隨著導引磁場增加,微波信號幅值基本不變,但國防科學技術大學研究生院學位論文是微波脈沖寬度會逐步減少;實驗中還發現磁場線圈位置有一定的軸向調節范圍,說明在磁場軸向分佈的一定變化范圍內,器件都可以正常工作,這對以後的永磁場系統導引的微波實驗有利。
  5. When the time of heat preservation prolonged, the intensity of most orientation of perovskite phase became stronger, and the full width at half maximum ( fwhm ) decreased. when the time of heat preservation was 80 seconds, the intensity of ( 100 ) and ( 110 ) orientation began to decrease

    循環次數從1次增加到3次, plt薄膜的( 100 )和( 200 )峰的衍射強度逐漸增強,薄膜的結晶性提高,鐵電性能逐漸增強,循環4次濺射后,薄膜的結晶性和鐵電性開始下降。
  6. ( 211 ) reflection of the polycrystal a - iron sample is used in the simulation experiments, and both the resulting full - width - at - half - maximum ( fwhm ) of the diffraction peaks and peak shifts under tensive and compressive strain are in accord with that expected from analytical methods. the instrumental resolution curves, under various combination of the first collimator and second collimator and take - off angle of the monochromator, are given

    用- fe多晶樣品的( 211 )晶面進行了模擬實驗,得到的衍射峰半高寬以及拉應變和壓應中國原子能科學研究院博士學位論文變作用下衍射峰移動的模擬結果都與解析方法的預期值符合得很好。
  7. Fwhm full width at half maximum

    電平全帶寬半最大值處全帶寬
  8. Fwhm : full width half maximum

    脈沖的半高寬度
  9. ( 2 ) several samples of different structure parameters are grown by low - pressure metal - organic chemical vapor deposition ( lp - mocvd ). it is found that pl peak intensity, full width at half maximum ( fwhm ) and light output intensity are greatly dependent on number of wells. ratio of well / barrier width nearly has no effect on pl peak intensity and fwhm, but has little relation to light output intensity

    通過分析pls ,可以及時獲取材料生長和結構設計的數據,對質量控制有重要的指導意義; ( 2 )對不同結構的gainp algainp多量子阱樣品進行了光致發光及出光強度的測量,發現mqw的周期數目n對pl峰強度、半峰寬和出光強度的影響最大;阱壘寬厚度比a對pl峰強度和半峰寬的影響較小,但對發光強度的影響較大。
  10. By the control of deposition process, it is succeeded in preparing ( 100 ) high - orientation diamond films with maximum single grain ' s size about 100 100um and 4. 693 ? fwhm ( full width of half maximum ) in xrd shocking scan curve, and also preparing 75mm large area transparent diamond films with 68. 3 % average transparence

    通過對沉積過程的控制,制備了( 100 )高取向金剛石膜,搖擺曲線半峰寬( fwhm )為4 . 693 ,最大單個晶粒的尺寸為100 100 m ,同時還制備了75mm的大面積透明金剛石膜,平均透光率達68 . 3 。
  11. For the first time, we obtain a ( 002 ) orientated high quality zno thin films with the full width at half maximum ( fwhm ) of 0. 2o located at 34. 42o at a low temperature of 180

    首次報道了用這種方法在襯底溫度為180oc條件下制備了( 0002 )擇優取向,其x -射線衍射峰的半峰寬為0 . 2度的高質量氧化鋅薄膜。
  12. The relationships between the substrate temperature and the properties of zno films were studied in detail, we obtained a ( 002 ) orientated high quality zno thin films with the full width at half maximum ( fwhm ) of 0

    用這種方法在襯底溫度為180條件下制備了( 0002 )擇優取向, x -射線衍射峰的半高寬為0 . 2度的高質量氧化鋅薄膜。
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