polarization ratio 中文意思是什麼

polarization ratio 解釋
極化比
  • polarization : n. 1. 兩極分化。2. 【物、天】極化；極化強度。3. 【物理學】偏振（化）。
  • ratio : n. （pl. ratios）1. 比，比率，比值；比例；系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達；求出…的比值；使…成比例。2. 將（相片）按比例放大或縮小。
  1. The performance of a planar polarization diversity antenna on the handset with optimum combining and equal ratio combining is then studied

    用montecarlo模擬研究了採用最優合併和等比合併的手機上平面雙埠極化天線系統的分集性能。
  2. To solve this contradiction we introduce the polarization track restriction and calculate the biggest scr ( ratio of signal to clutter ) of coherently and incoherently reflected waves

    為了解決這一矛盾引入了極化軌道約束條件，計算了在極化軌道約束下相干情況和非相干情況下共極化通道最大接收功率與極化狀態的關系。
  3. Polarization diversity and maximum ratio combining ( mrc ) is used to restrain the sharp signal fading in the telemetry systems, in which the object is in flight at a high speed and rotating and in low elevation

    在信號極化衰弱現象嚴重的環境中對快速飛行目標、低仰角運動目標以及旋轉運動目標等進行遙測接收時，極化分集最大比合成技術可以有效的改善接收性能。
  4. The polarization ratio, p = 0. 87, was obtained in this case. the composite film of zinc oxide and copper phthalocyanine ( cupcrn ) was prepared by modifying the surface of zinc oxide thin films with cupcrn

    同時，對氧化鋅?酞菁銅復合薄膜的熒光性能研究表明，酞菁銅的存在對氧化鋅薄膜426nm的熒光有很好的敏化作用，其偏振比為0 . 89 。
  5. 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 。
  6. Some conclusions about the length and the splice angle of the depolarizer, the spectrum of the light source and the extinction ratio of the polarizer are obtained. associated with the polarization in the sensing coil and the principle of the pmd analyzer, one method to design the length of the lyot depolarizer has been put forward

    首先，本文分析了lyot消偏器對完全偏振光與非完全偏振光的消偏作用，由此得出了關于lyot消偏器的長度和結合角、光源光譜以及與消偏器配合的起偏器消光比的一些結論。
  7. In order to realize low half - wave voltage, high polarzation extinction ratio, low pigtailing polarization crosstalk, low insert loss, precise tapped power ( ratio ) and good splitting beam ratio, the optimum design was performed

    為了實現低的半波電壓、高的偏振消光比、低尾纖串音、低插入損耗、精確的抽頭功率比和良好的分束比，我們對器件結構進行了優化設計。
  8. A reflective polarizer based on a double - layer subwavelength metal - dielectric grating structure is presented here. numerical simulations show that at normal incidence, this polarizer reflects light polarized perpendicular to the grating lines ( transverse magnetic polarization ), but strongly absorbs parallel - polarized light ( transverse electric polarization ). the polarization extinction ratio is very high

    理論計算表明，零角度入射時，該光柵結構在可見波段對tm波有很高的反射率，而對te波強烈吸收，即可獲得很高的反射光偏振比，可以作為理想的集成偏振器件。
  9. The formula to calculate the light splitting ratio of intensity compensation with light splitter is derived out. two kinds of circumstances are discussed in detail, the one is laser polarization changing while the intensity keeping stable, and the other is the intensity changing with the polarization

    用能量流分析法推導了用分光鏡分光進行強度補償的分光比計算公式，詳細討論了入射光的強度不變而偏振方向變化以及二者同時變化對分光比的影響。
  10. As the results, firstly, some steady parameters were determined, including the gain coefficient, diffraction efficiency of the volume grating and response time t1 of twm under different total incident intensity i0, ratio of two writing beams mo, angle between two writing beams 2 and polarization conditions

    論文給出了不同寫入光強比、寫入總光強、寫入光夾角及偏振光下ce ： knsbn晶體的兩波耦合增益系數、衍射效率、響應時間的變化規律。
  11. Pm fibre optic interconnecting devices and passive components - basic test and measurement procedures - examinations and measurements - extinction ratio of a polarization maintaining fibre pigtailed connector

    光纖互聯裝置和無源部件.基本試驗和測量程序.檢驗和測量.極化維持
  12. This thesis performs the research how to analyze and design lithium niobate optical modulator in i - fog. the analysis concentrates on those performance parameters of a modulator : half - wave voltage, single mode performance, quasi te / tm polarization, loss, bandwidth and split - ratio

    這些都是圍繞調制器的性能參數來研究的，它們包括：半波電壓，單模特性，偏振特性（ te和tm模之間的輸出功率比值） ，損耗，帶寬及分支比等。
  13. Study of linear polarization technique in geothermal system for corrosion ratio

    線性極化技術測試地熱腐蝕速率的試驗研究
  14. Fibre optic interconnecting devices and passive components - basic test and measurement procedures - part 3 - 40 : examinations and measurements - extinction ratio of a polarization maintaining fibre pigtailed connector

    纖維光學互連器件和無源器件基本試驗和測量程序第3 - 40部分：檢查和測量-帶保偏光纖尾纖連接器的消光比
  15. The reflection, contrast ratio and polarization direction are calculated in the wavelength of 633nm and in wide band wavelength, which represent the applications in the optical information process and the projection display

    分析計算了633nm以及寬波長下液晶的反射率、對比度以及偏振光的工作角度。獲得了用於信息處理以及用於投影顯示的液晶工作曲線。
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