wavelength selection 中文意思是什麼

wavelength selection 解釋
波長選擇
  • wavelength : 【無線電】波長。
  • selection : n. 1. 選擇；挑選；選拔。2. 拔萃；選擇物；精選物[品]；文選。3. 【無線電】分離，（自動電話）撥號。4. 【生物學】選擇，淘汰。
  1. The spectral and group delay characteristics are studied and the potential uses of this type of grating for wavelength selection and dispersion compensation are discussed. a novel scheme of oadm configuration based on linearly chirped moir fiber gratings is proposed. we have designed a lcmfg to compensate dispersions for eight channels at the same time

    在此基礎上，提出了一種新型的基於線性啁啾moir光纖光柵的光分插復用器（ oadm ）的結構設計方案；並設計出一種中心波長、相鄰中心波長間隔都符合itu規定的dwdm波長標準的基於線性啁啾moir光纖光柵的多通道色散補償器件。
  2. The analysis of wavelength selection for space - to - ground laser communication

    空-地激光通信鏈路波長選擇因素分析
  3. Wavelength band selection algorithm based on background radiance subtraction and its application to target detection

    減背景的波段選擇演算法及其在目標探測中的應用
  4. At a more advanced stage, polarimetric basis, implement system, scheme designs, production method and wavelength selection are considered, being useful to the study of polarimetric technology detecting atmosphere

    進一步討論了開展偏振探測技術研究所應考慮的有關偏振類型、實現體制、方案設計、產品演算法和波段選擇中的問題，對偏振探測技術研究具有參考價值。
  5. A switchable and spacing - tunable dual - wavelength linear cavity edfl is demonstrated experimentally using this kind of bragg grating for wavelength selection. it exploits the birefringence characteristic of the fbg induced by transverse strain. transverse strain loading on the fbg allows the wavelength spacing to be controlled while axial strain shifts both wavelengths together

    2 .對軸向及側向應力共同作用下的光纖布拉格光柵的透射及反射光譜特性進行了理論及實驗研究，並首次把軸向及側向應力共同作用下的光纖光柵應用於光纖激光器進行波長選擇，得到了室溫下穩定工作的波長及波長間隔可調的可開關雙波長的摻鉺光纖激光器。
  6. Progress and application of spectral data pretreatment and wavelength selection methods in nir analytical technique

    近紅外分析中光譜預處理及波長選擇方法進展與應用
  7. According to the raman selection rule and the pl measurement, it is reasonable to evaluate the quality of galnp / algalnp mqw by analyzing the relative intensity ratio of a1p - lo / to. ( 4 ) a new modified random element isodisplacement ( mrei ) model is set up to calculate the dependence between the long - wavelength optical phonon frequencies and the composition of iii - v - type ab1 - xcx mixed crystals. the second neighbor force constants are still assumed to be a linear variation with the composition, but the two first neighbor force constants can be evaluated to be a negative exponent variation with the composition, using the overlapped repulsive potential of the ion crystal combination

    通過實驗我們找到了在這些結構參數上生產gainp algainpmqw的較理想的結果； （ 3 ）首次用喇曼（ raman ）散射方法研究了常溫下的gainp algainp多量子阱結構，除了指認出喇曼光譜中各光學聲子模外，還結合樣品光致發光譜的測量結果，分析發現喇曼光譜中alp - lo to的相對強度比可以在一定程度上評定晶體gainp algainpmqw的生長質量； （ 4 ）在修正的隨機元素等位移? mrei模型的基礎上建立了一個新模型，計算了ab _ （ 1 - x ） c _ x型?族半導體混晶的長波長光學聲子模頻率的組分變化關系。
  8. When selecting gratings, you must choose a wavelength range with a width equal to the spectral range entry in the spectrometer grating selection chart

    當選擇光柵是，您必須選擇與光譜儀光柵選擇圖表中的光譜覆蓋范圍條目里寬度相等的波長范圍。
  9. The detail contents are as following : the molecule ’ s structure, the molecule ’ s spectrum and infrared spectrum structure of co are analyzed. it ’ s the solid foundation for measurement wavelength selection and effectively eliminated cross sensitivity

    主要內容如下:從分子結構和分子光譜理論出發，討論了一氧化碳分子的紅外光譜結構，為系統設計選擇合適波長提供依據，消除交叉敏感。
  10. As having advantages such as littler inserting loss, better wavelength selection and absolute coding, fbg has bright prospects of applications in fiber communication and sensing

    由於它具有插入損耗小、波長選擇性好及傳感信息對波長絕對編碼等優良特性，因而在光纖通信及傳感領域有著廣闊的應用前景。
  11. Every functional model is designed in detail. the method based on uniformity design 、 wavelet analysis 、 cross validation and support vector machine is put forward for solve the question of nonlinearity 、 small - sample in the spectral multicomponent analysis. the method of selecting good wavelength data for building analysis model is an effective improving analysis precision. to quicken convergence, the piecewise wavelength selection method based on particle swarm optimization algorithm is established

    深入研究了光譜信號的多組分測定問題，以高效、實用化為目標，從實驗設計到演算法選擇進行了較為詳細地分析和論述，提出了基於均勻設計、小波變換和支持向量機的組合式演算法和策略，解決了在光譜多組分測量中遇到的非線性校正問題。
  12. In view of this, the development of new - type optical switches have started, it can achieve the optical layer routing, wavelength selection, optical cross - connect functions, has great potential and broad prospects for application in the field of optical fiber communications market

    它的出現為光開關、光衰減器以及濾波器等光纖通信器件的微小型化、大陣列化和低成本化提供了技術上的可能性。因此微光機電系統（ moems ）是微電子機械繫統（ mems ）的一個很有前途的應用領域。
  13. The detailed research contents are as following : ( 1 ) based on molecule spectrum theory and experimental data, presented are fine parameters of ch4 combined frequency band v2 + v3 and wide frequency band 2v3, including absorption spectrum central wavelength, line space, intensity distribution, line type and line width. these fine parameters have played solid foundation for measurement wavelength selection, and effectively eliminated cross sensitivity

    主要研究內容如下： （ 1 ）應用分子光譜理論和實驗數據給出了甲烷氣體在聯合帶v2 + v3和泛頻帶2v3的精細參數，包括吸收線的中心波長、吸收線間隔、吸收線強度分佈、吸收線線型和線寬，為系統設計選擇合適波長提供依據，消除交叉敏感。
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