寬譜帶 的英文怎麼說

中文拼音 [kuāndài]
寬譜帶 英文
broad band
  • : 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)...
  1. This effect is particularly important for leds since the emitted spectral width is several hundred angstroms.

    這種效應對于發光二極體來說是特別重要的,因為發光二極體所發射的光可達幾百埃。
  2. ( 3 ) in the dy - lamp experiments, we study the spectrum distribution of relative - energy. firstly, it is tested by providing bandwidth and the numbers of the band according as a standard of the solar simulator. the result shows it cannot achieve a standard of the solar simulator that the spectrum distribution of the dy - lamp is simulated the solar spectrum ; however, if according as b standard, then it can attain the request of b standard of the solar simulator

    研究了鏑燈光相對能量分佈,首先根據a級模擬器提供的數對鏑燈的光能量分佈進行了測試,測試結果表明,利用鏑燈來模擬太陽光達不到a級模擬器的要求;根據b級模擬器提供的數對鏑燈再次進行測試,並與b級的光失配誤差進行比較,結果表明,利用鏑燈來模擬太陽光可達到b級模擬器標準。
  3. And the primary factors taking effect on the resolving power of the instrument have been analyzed. the basis of the theory of spectral biochemical analysis is the lambert beer law

    生化分析的理論基礎就是朗伯比爾定律,分析了影響朗伯比爾定律的一些因素,以及吸收光與光之間的關系。
  4. Filter is used to transmit spectrum of definitive broadband in the continuous spectrum or to extract certain radiation in the line spectra

    光學濾光片在連續的光中用於透過一定度的光或在線狀光中提取某些輻射。
  5. Dual randomized modulation technique is more effective than existing simple random modulation schemes, such as random position modulation or random switching frequency modulation, in dispersing the power spectrum

    與已經存在的任何一種單隨機方案相比,雙隨機調制技術驅散諧波能量而使之具有更,能更加有效地減少功率變換器系統的離散峰值。
  6. Using the typical moled structure glass / dbr / ito / htl / eml ( etl ) / al , the el spectrum narrowing, intensity enhancement in the normal direction as well as emission intensity redistribution in space are observed. by the introduction of single layer silver film instead of the dbr / ito multilayer, a ( / 2 - length cavity is obtained. using this kind of microcavity, three - color single mode pl from a single material alq and three - color single mode el from double layers pvk / alq are achieved for the first time

    通過以金屬銀替代多層結構的dbr / ito ,既作為反射鏡,又作為el器件中的空穴注入電極,設計出腔長只有( / 2的超短微腔,採用同一種寬譜帶材料alq作為光發射層,首次報道了三基色單模光致發光和pvk / alq雙層結構的三基色單模電致發光。
  7. 754 horizontal - component digital broad - band records in western north america are processed. the acceleration response spectra are calculated and used as part of the database. the response spectrum values are estimated by the earthquake magnitude definition and are used as another part of the database

    將美國西部地區作為參考地區,對美國南加州地區的數字記錄進行了搜集與處理後作為觀測資料,共754條水平向記錄,與利用震級定義所估計的反應值一起,用統計回歸的方法建立美國西部長周期加速度反應衰減關系。
  8. From the velocity - type records and the acceleration - type records in one station the same ground motions can be recovered, and the calculated response spectra are the same in a specific period range. this indirectly proves the reliability of the two types of records

    速度型和加速度型數字記錄可以恢復出相同的地震動,在一定的川朋范田內得到相同的反應,間接證明了這兩種地恁記錄的可靠性。
  9. Abstract : by using the pulse - sequence model , the inverse problem of amplification of broad - spectral - bandwidth laser pulse has been studied , i. e. , to find the initial input temporal pulse profile , spatial profile , spectral distribution and fluence from the required output temporal , spatial pulse profile , spectral distribution and fluence as well as the given amplifier parameters

    文摘:採用脈沖分割模型,研究了激光脈沖放大的逆問題,即由所要求的輸出激光脈沖時間、空間波形、光分佈和能量密度,並給定放大器參數情況下,求輸入激光脈沖時間波形、空間、光分佈。
  10. Thus, the frequency domain adaptive filter is well suited to a multi - narrowband interference scenario, the paper studied frequency domain adaptive algorithms, carried out analysis and computer simulations. simulation results : for gold codes ds - ss signal of length 63, 4 interferences of signal to interference ratio ( sir ) 40 ub or 4 narrowband interferences of signal to interference ratio ( sir ) 40 db and frequency - spectrum bandwidth 12 percent of the whole bandwidth, the sir improvement is better than 20db

    模擬結果指出,在輸入信號為干擾是4個等強度的多音干擾或4個頻占信號總12的強窄干擾(干信比為40db )的擴頻信號(碼長為63的gold碼序列)情況下,演算法的干擾抑制比均優於20db 。
  11. Standard test method for wavelength accuracy of spectral bandwidth fluorescence spectrometers

    熒光分光計的波長精密度的標準試驗方法
  12. In this paper , based on the method of spectral analysis and the theory of fracture mechanics, by using the broad - band digital data recorded by xi an telemetry seismic network, the stress drop and regional shear stress of moderate and small earthquakes in shanxi province are determined firstly

    利用西安數字地震遙測臺網記錄的數字地震資料,應用斷裂力學理論與分析方法,首次測定了陜西地區中小地震的應力降和區域剪切應力值。
  13. Standard practice for measuring practical spectral bandwidth of ultraviolet - visible spectrophotometers

    紫外線-可見分光光度計的實用光的測量
  14. By comparable investigation, two luminescence mechanisms can explain the different variety of pl intensity of origin and annealed samples and are dominant mechanisms separately in unanneal and anneal course

    經過退火處理后,在相同波長的光激發下發光強度逐漸增強,峰型逐漸變好,發光的半峰也變窄。
  15. Then the transform method and the digital broad - band data from china is applied to obtain the wide period attenuation relationships for horizontal acceleration response spectra of eastern china and western china in rock sites ( c, = 5 % )

    最後用常規的轉換方法,並加入我國158條水平向數字記錄,建立了中國東部和西部地區的水平向基巖周期( t = 0 . 04 - 20s , = 5 )加速度反應衰減關系。
  16. Novel dual - polarizing prism optics improve the quality of polarization and permit access to broader bandwidths

    新型雙偏振棱鏡提高了偏振質量,可允許更的光
  17. The turns in the serpentine channel were asymmetrically tapered to minimize geometrical contributions to band broadening and to provide ample channel length for high - efficiency chromatographic separations

    蜿蜒通道地轉彎處是不均勻地錐形以減小幾何原因引起地和提供樣品通道長度使高效色分離。
  18. Because high - speed data take up wide bandwidth, looking for one which have high efficiency modulation scheme and suitable for frequency hopping communication system is needed

    由於高速數據佔用更,所以在調制制式上應該尋找一種適合於跳頻通信特點的具有高頻效率的調制方案。
  19. The reliability of the observation data in long period range is particularly inspected. this is done " by verifying the instrument response characteristic, examining the signal - to - noise ratio, comparing the recovered ground motions and response spectra from the velocity type and acceleration type digital broad - band records

    對于速度型和加速度型的數字記錄,從儀器特性、恢復的地面運動對比、信噪比研究、反應對比等方面研究這類記錄在長周期段的可靠性。
  20. The common feature of the emission spectrum observed in the nanocrystalline zno is that its width is larger than that of the bulk zno

    所有發射的一個共同特點是于體材料。
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