wavelength measurement 中文意思是什麼

wavelength measurement 解釋
波長測量
  • wavelength : 【無線電】波長。
  • measurement : n. 1. 測量，計量，量度。2. 份量，尺寸，大小，寬度，厚度，深度（等）。3. 測量法。 measurement goods （按體積、容積計算的）體積貨物。
  1. Two fundamental approaches, differential optical absorption spectra ( doas ) and wavelength modulation harmonic measurement, for gas light absorption detection are discussed

    分析了波長調制諧波檢測技術和差分吸收檢測技術兩種弱信號檢測方法。
  2. The phase - shifting interference is a osculant and high precision technology base on the wavelength. because of the different size of object being measured leading to different size of interference wave which brings on asymmetry of the interference wave ineluctably we adopt the zoom lens to improve the measurement precision. considering the interferometer ’ s sensitivity to the vibration the interferometer is often used in the lab which restricts it being used widely

    移相干涉術是以光波波長為單位的非接觸式高精度測量技術，為了使大小各異的被測元件產生的干涉條紋尺寸大小一致而引入了變焦鏡頭，從而不可避免地導致干涉條紋亮暗不均勻和照度改變的問題，最終影響測量精度。
  3. We have developed a high precision wavemeter with an accuracy of 2 10 ^ ( - 8 ) in measuring vacuum wavelength, and a frequency measurement instrument by femtosecond modelocked laser with an accuracy of commercial cs standard

    為了適應研究工作的需要，研製了高精度激光波長計，測量真空波長的準確度可達2 10 ^ （ - 8 ）的量級，同時研製了飛秒鎖模激光的測頻裝置，目前的測量精度可與小銫鐘的精度相同。
  4. The short - baseline interferometer ’ s angle measurement accuracy is influenced by phase difference measuring accuracy, the base length measuring accuracy, the system operating wavelength ( frequency ) and so on, the article analyzes the existing theory, and emphatically analyzes the influence of base length measuring accuracy to the precision of angle measurement

    短基線干涉儀測角精度受相位差測量精度、基線長度測量精度、系統工作波長（頻率）測量精度等因素的影響，文中，在對原有理論進行分析的基礎上著重分析了基線長度測量精度對系統角度測量精度的影響。
  5. An effective method to improve precision in laser wavelength measurement

    提高激光波長測量精度的有效方法
  6. Experimental results of four - photon de broglie wavelength measurement are analyzed based on a local description for the quantum state and optical field of photon pairs generated from spontaneous parametric down - conversion ( spdc )

    摘要採用對自發參量下轉換過程產生的光子對的量子態和光場的非糾纏態描述，分析了由自發參量下轉換過程產生的四光子的德布羅意波長測量的實驗，得到了與實驗觀測相一致的結果。
  7. The laboratory can provide calibration service for the measurement of the wavelength of any laser having a nominal wavelength of 633 nm. calibration is performed by comparing the wavelength of the laser under test with the wavelength of the standard iodine - stabilized helium - neon laser of the laboratory

    本所可為波長標稱值為633nm的激光器提供波長測量服務。被測試的激光波長將與本所的標準碘穩頻氦氖激光器的波長比對而進行校正。
  8. The key point in fbg sensors lies in precise measurement of minute shift of bragg reflecting wavelength, that is demodulating the coded signals of wavelength

    Fbg傳感器的關鍵就在於精確的檢測bragg反射波長的微小移動，即對波長編碼信號進行解調。
  9. Measurement of pulsed - laser wavelength and direction in real time by grating diffraction method

    光柵衍射法實時測量脈沖激光波長和方向
  10. Research on method of laser wavelength measurement using grating under the condition of changing angle of incidence

    變入射角方式下利用光柵測量激光波長的方法
  11. In order to measure the characteristics of such semiconductor optical amplifier, we adopted a set of measurement system. this measurement system can be used to measure the characteristics of all kinds of active or inactive optical passive components. such device presents good polarization insensitivity ( < 0. 9db ), wide 3db bandwidth ( > 33nm ) at 0 - 200ma and different input signal light wavelength and power, the maximum fiber - to - fiber gain of 10db, lossless operation current of 50 - 75ma for different input signal light wavelength and power, large extinction ratio ( > 50db ) and lower noise figure ( nf ) ( < 8db )

    與張瑞英博士一起，首次利用該種有源區結構制備出偏振不靈敏半導體光放大器，並在0 - 200ma注入電流范圍內獲得33nm的3db帶寬，在不同信號波長，不同信號功率0 - 200ma的注入電流范圍內，偏振相關損耗均《 0 . 9db ，在耦合差損為7db / facet的條件下，最大fiber - to - fiher增益達10db ，無損操作電流為50 - 70ma ，消光比達50db以上，而噪聲指數則低於8db ，最小可達4 . 6db 。
  12. Reference lens, which can produce spherical wave front whose optical quality is better than / 20 by peak - valley value in wavelength, is an important part of " 95 " defense system project in measurement and testing

    標準球面透鏡能產生峰谷值優于/ 20的球面波，是國防系統「九五」計量測試項目重要的研究內容之一。
  13. 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。
  14. In the region of shorter wavelength ( r < 10nm ), measurement reflectivity is much lower than design reflectivity, so the making of high reflectivity multilayer mirrors is at the phase of exploring. the aim of the paper is to design and fabricate five mulitilayer mirrors in shorter wavelength of soft x ray region and makes up of soft x ray spectrometer which is applied to icf experiment

    本論文所完成的是在軟x射線短波段的五個波長處（最短波長為1 . 03nm ） ，研製具有實用反射率的軟x射線多層膜反射鏡，並應用於慣性約束核聚變（ icf ）實驗中的軟x光能譜測量。
  15. Fibre optic interconnecting devices and passive components - basic test and measurement procedures - part 3 - 5 : examinations and measurements - wavelength dependence of attenuation

    纖維光學互連器件和無源元件.基本試驗和測量程序.第3 - 5部分:檢查和測量.波長衰減函數
  16. Fibre optic interconnecting devices and passive components - basic test and measurement procedures - part 3 - 7 : examinations and measurements - wavelength dependence of attenuation and return loss

    纖維光學互連器件和無源元件.基本試驗和測量程序.第3 - 7部分:檢查和測量.波長衰減函數和回波損耗
  17. Abstract : with an optical probe based on the principle of multi - wavelength light extinction, size and concentration of droplet were measured in a transonic wind tunnel. this paper presents the measurement results

    文摘:應用基於多波長消光法原理發展的光學探針，測量了跨聲速風洞中不同馬赫數濕空氣流自發凝結形成的水滴尺寸及濃度，並給出了實驗結果。
  18. Abstract : polyphenylacetylenes were synthesized by rn ( nbd ) cl 2 and wcl6 / ph4sn catalyst systems in n2 at room temperature. polymers with high yield and high molecular weight were obtained. their structures were characterized by uv, ir, nmr and gpc, respectively. the fluorescence of the polymer solution with different concentration was investigated using variable excitation wavelength from uv to visible region. the relation between fluorescence and polymer structure was studied. the results showed that the molecular chain structure has great influence on fluorescence of the polymers. the emitting peak wavelength of fluorescence for the polymer of high stereoregularity is independent of solution concentration and excitation wavelength. the emitting peak wavelength of fluorescence for the polymer with disordered molecular chain arrangement varies with changing the solution concentration and excitation wavelength, and different emission sites in molecular chains and low emitting yield are shown. the measurement and analysis of fluorescence spectroscopy of polyphenylacetylenes may provide some useful information to judge the molecular chain arrangement in some conjugated polymers

    文摘:使用有機金屬銠、金屬鎢/四苯基錫催化劑體系聚合苯乙炔，分別獲得了高產率和高分子量的聚苯乙炔.使用uv ， ir ， nmr ， gpc等分別對聚合物結構進行了表徵.採用不同波長的激發光對聚合物熒光性能進行研究，詳細分析了聚合物結構與熒光性能之間的關系.研究結果發現，不同聚合物結構對聚合物熒光性能產生很大影響，規整性高的聚合物，將有較高的發光量子效率；聚合物規整性差，將可能導致多個熒光發光結構點，其熒光強度降低.聚合物熒光光譜研究將對某些共軛聚合物結構的規整性分析提供一些有用的信息
  19. Measurement and characterization of surface texture is an important aspect of precision metrology. historically this has involved partitioning a profile into different wavelength regimes referred to as roughness, waviness and form followed by numerical quantization. parameters computed are then inspected for tolerance compliance to ensure a part performs its intended function. this approach is satisfactory when the specification has been carefully determined and the process is stable. however, when the manufacturing process is under development or when instability or modifications to the process invalidate specifications, there is a need to study surface finish parameters in relation to functional performance or process measures. in this context, the problem of surface texture classification and recognition are discussed. advanced techniques developed for this purpose along with applications are presented. also, the techniques discussed here will be useful across large bandwidth, from the characterization of nano scale to traditional micro scale surfaces

    表面結構的測量與特徵描述是精密計量技術的一個重要方面，傳統上包括將輪廓情況根據不同的波長范圍劃分為粗糙度、波紋度和形狀及后續的數字量化.按算得的參數檢查它是否為公差允許，以保證零件執行其指定的功能.當技術特性已經經過仔細確定，並且其過程穩定時，該方法是令人滿意的;但是，當製造過程正在進行中或過程的不穩定、過程變化使技術特性失效時，就需要研究和功能表現及過程評定相關的表面參數.討論了表面結構的分類與識別問題.同時闡述了為此目的而開發的先進技術及其應用.所研究的技術對從納米尺度到傳統的微米尺度的較大帶寬范圍內的表面特徵描述都是有效的
  20. 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。
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