譜寬 的英文怎麼說

中文拼音 [pǔkuān]
譜寬 英文
spectral width
  • 譜 : 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. Dithiocyanomethane is an efficient, broad - spectrum germicide and algaecide, displaying strong exterminating effects against germs, fungus and algae existing in circulating water. it maintains long - term effects and is applicable to broad ph value and temperature ranges

    二硫氰基甲烷是一種高效廣譜的殺菌滅藻劑，對于循環水中存在的主要細菌真菌和藻類都具有高效的殺滅效果，而且藥效維持時間長，適應的ph值和溫度范圍較寬。
  2. 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譜帶寬可達幾百埃。
  3. The composites not only show excellent photo - responsive properties in the visible and near - ir region ( 450 ~ 850 nm ), but also show complementary and synergetic enhancement effects in photosensitivity in the visible and near - ir region. the reasons for the enhanced photoconductive properties and new effects are explained in terms of the partial and directional charge transfer from phthalocyanine to azo compound in these azo / tiopc composites. 2

    研究發現這兩種復合材料體系在可見光區和近紅外光區（ 450 850nm ）均有光譜響應，光譜響應范圍得到了拓寬，並在該波長范圍內都有優良的光電導性能，呈現出明顯的光電導性能協同增強和互補效應，該復合材料體系中酞菁向偶氮發生的部分定向的電荷轉移是光電導性能協同增強和互補效應產生的物理起因。
  4. Then the arlpm detection algorithm from the different spectral width of sea clutter and growlers based on ipix sea clutter returns " ar spectrums estimate is been derived, and the roc curves are been drawn

    接著基於ipix雷達實測回波的ar譜估計，根據雜波和目標的譜寬不同得到arlpm檢測演算法，並畫出了該演算法的roc曲線。
  5. Based on the propagation law of the cross - spectral density function in the space - frequency domain, the properties of polychromatic vector gsm beams through a paraxial optical abcd system are studied. the analytical propagation expressions for the cross - spectral density matrix of vector gsm beams passing through a paraxial optical abcd system are derived, which permits us to study the propagation properties of vector gsm beams, including the propagation - induced polarization changes, effect of the spectrum bandwidth and irradiance distributions in a unique way. there are some applications of the theoretical results

    基於空間一頻率域中交叉譜密度函數的傳輸理論，研究了多色矢量gsm光束通過abcd光學系統傳輸時偏振特性的變化規律，首次推出了矢量高斯一謝爾模刑fgsm ）光束通過近軸abcd光學系統交叉譜密度矩陣的傳輸公式，並對矢量gsm光束傳輸中偏振的變化、譜寬的影響和強度的分佈等進行了統一研究。
  6. As an example, polarization changes in vector gsm beams propagating through a telescopic system have been analyzed and illustrated by numerical results. it has been found that propagation - induced polarization changes are non - uniform across the beam cross - section. for the symmetric gaussian spectrum, the effect of the bandwidth on the polarization is barely noticeable

    以望遠鏡系統為例進行的數值分析表明，多色矢量gsm光束的偏振不再是均勻偏振，對源光譜為對稱分佈高斯型的多色矢量gsm光束，譜寬對光束偏振特性的影響不明顯。
  7. Heavy rainfall occurred in the warm area, and maximum rainfall lay in the windward slope where the width of raindrop size distribution was b roadened and sometimes it was bimodal spectrum. the shape of rain band in cold area was zonal, and the area of rain band was small

    暖區有明顯的強降水中心，雨強極大值出現在山區迎風坡，降水雨滴譜譜寬較大，有時滴譜呈雙峰型分佈；冷區降水區常呈帶狀分佈，雨區范圍大，雨滴譜較窄，雨滴譜為單峰型。
  8. There are functions such as drawing the chart of amplitude - frequency and phase - frequency, calculating and displaying the highest peak value, the total sum of amplitude and the effective line - breadth of the signal in the program. so an effective technical means is supplied for the analysis of ultrasonic signal

    軟體系統具有幅頻圖及相頻圖的繪制、最高峰值、諧波系數及有效譜寬度的計算及顯示等功能，從而為超聲信號的頻譜分析提供了極其有效的技術手段。
  9. To deal with the echo information from doppler weather radar, in this paper we recommend the processing of some radar products ( cr, vcs, cappi, vil, wer, vwp ), according to the research of nim on weather radar, referred to other advanced algorithm of radar products from home and abroad and combined with the requirement of application in our country. these products are produced on the platform of windows 98 or windows 2000 by the use of visual c + +

    為了對多普勒天氣雷達的回波信息（包括強度、徑向速度和速度譜寬）進行加工、計算和處理，本文根據南京氣象學院在天氣雷達方面的長期研究積累，同時借鑒其他國內外先進的天氣雷達產品的演算法，結合我國氣象業務應用的要求，對多普勒天氣雷達的氣象產品（組合反射率因子、任意垂直剖面、等高平面位置顯示、垂直累積含水量、弱回波區顯示、 vad垂直風廓線等）進行工程化設計。
  10. Fibre optic communication subsystem basic test procedures. part 1 - 3 : test procedures for general communication subsystems. central wavelength and spectral width measurement

    光纖通信子系統基本試驗程序.第1 - 3部分:一般通信子系統的試驗程序.中心波長和譜寬的測量
  11. It is shown that the spectral splitting can take place in the near field, which is dependent on the spatial correlation and bandwidth of the spectral source and position parameters

    研究表明，在近場會有光譜分裂出現，光譜分裂與光源的空間相干性和源光譜的譜寬以及位置參數有關。
  12. In this thesis, the spectral characteristics of a fiber grating are analyzed by using the coupled mode theory. the influences of various structural features such as the length, chirp, coupling coefficient and aperdization to the spectral characteristics were studied numerically with a transfer matrix method. the reflective spectral responses for fiber bragg gratings with different aperdization are analyzed, and the optimal aperdization is ob tained

    首先論文利用耦合模理論對光纖光柵的光學特性進行了詳細的分析，在對比了龍格庫塔法和傳輸矩陣法這二種常用的分析方法的基礎上，選擇傳輸矩陣法著重研究了光纖光柵長度、啁啾系數、耦合系數以及各種切趾函數與其反射譜譜寬、反射率極值、時延、色散等特性的相互關系及影響。
  13. Using the relation between spectrum width and entropy and the different contributions devoted by each angle motion parameter to the echo spectrum width of the difference beam, the global optimal estimation is obtained through searching the angle motion parameters of zero and higher order via max - entropy and min - entropy respectively

    該方法利用了各階運動參數對差波束回波譜寬度的不同貢獻以及熵與譜寬度的關系，通過最大熵和最小熵分別對0階和1階以上角運動參數進行搜索，得到全局最優估計。
  14. The research is mostly concentrated on the spectrum quality of srs in the birefringence fiber, then making a systematic analysis of srs both in experiment and in theory, at the end of the paper drawing some conclusions

    其次在實驗上和理論上對雙折射光纖中的受激喇曼散射的光譜特性進行了系統研究，分析了各級喇曼譜的頻移，譜寬和各級喇曼譜的閾值。
  15. However, performance is limited by the low signal - to - noise ( snr ) and high date rate. a potential solution is to add a strong error correcting code. so studying the error correcting code on uwb system is necessary and worthy

    但是超寬帶信號頻譜寬、功率低且傳輸速率很高，使其更容易受到各種干擾而影響傳輸質量，所以在超寬帶系統中研究通道編解碼技術變得非常必要和有價值。
  16. The results show that the dispersion slope of dispersion - shifted fiber is crucial to sc generation. a flat and ultra - broad - band sc spectrum is obtained by optimizing the fiber parameters and the peak power, pulse width of pump pulse

    通過對光纖色散斜率的優化設計並綜合考慮泵浦脈沖功率、脈沖寬度對sc譜譜寬和平坦度的影響，獲得了平坦、超寬的sc譜。
  17. Fibre optic communication subsystem basic test procedures - test procedures for general communication subsystems - central wavelength and spectral width measurement

    光纖通信分系統基本試驗程序.普通通信分系統試驗程序.中心波長和光譜寬度測量
  18. Fibre optic communication subsystem basic test procedures - part 1 - 3 : test procedures for general communication subsystems - central wavelength and spectral width measurement

    光纖通信分系統基本試驗程序.第1 - 3部分:一般通信分系統的試驗程序.中心波長和光譜寬度的測量
  19. Direct sequence spread spectrum ( dsss ) communication systems have the characteristics of wide spectrum, low working signal - to - noise ratio ( snr ), anti - interference, anti - multipath effect, capability of cdma, lpi and lpd

    直接序列擴頻（英文簡稱dsss ）通信具有頻譜寬、工作信噪比低、抗干擾和抗多徑效應能力強、可實現碼分多址、低截獲和低檢測概率等特點。
  20. Ytterbium ( yb ) - doped silica fibers have a broad - gain bandwidth ( 850 ~ 1050nm ), excellent power conversion efficiency, and a broad - absorption bandwidth ( 900 ~ 1200nm ). their ability to provide amplification over the very broad wavelength range from ~ 975nm to ~ 1200nm is expected to generate increasing interest in the near future. they offer an almost ideal gain medium for the fiber lasers and fiber amplifiers that work at the wavelength around 1 m

    摻鐿石英光纖具有幾個方面的優點，如能級結構簡單，與摻er3 + 、 nd3 +等稀土離子的光纖相比，不存在對泵浦光或信號光的激發態吸收（ esa ） ，可以有更高的摻雜濃度;有較寬的吸收光譜（ 850 ~ 1050nm ） ，可以利用多種泵浦光源來設計泵浦方案;輻射光譜寬（ 900 ~ 1200nm ） ，激光輸出波長可以有很寬的可調諧范圍。
分享友人
分享到 Line

分享到臉書