波導厚度 的英文怎麼說

中文拼音 [bōdǎohòudù]
波導厚度 英文
duct thickness
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 導 : 動詞1. （引導） lead; guide 2. （傳導） transmit; conduct 3. （開導） instruct; teach; give guidance to
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 波導 : [物理學] （用在微波波段傳輸電磁波的裝置） waveguide; duct
  1. The temperature of surface concrete varies with environmental temperature, but the conductibility of inner concrete is very poor. as a result, a quick decrease of environmental temperature will lead to large temperature gradient and then tensile stress develop soon in the thick direction, which will probably occur on the entire cross - section

    混凝土表面溫度隨外界溫度波動而波動，但內部的導溫性能很差，所以在外界溫度驟降時將引起很大的溫度梯度，從而在厚度方向上拉應力發展很快，這極易引起全斷面拉應力發生。
  2. Sol - gel method was used for preparing the nano - tio2 photocatalytic film on general glas slid and ito conductive glass. the spectrum property, surface image, crystlal type, particle size, thickness and other properties of this film were measured by uv - vis, afm, xrd and other apparatus

    採用溶膠-凝膠法在普通玻璃載波片和ito導電玻璃上制備出負載型納米tio _ 2薄膜，並用uv - vis ， afm ， xrd等對納米tio _ 2薄膜的光譜特性、表面形貌、晶型及粒子大小、薄膜厚度等進行了表徵。
  3. Based on the spectral irradiance measured with the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) developed by the institute of atmosphere physics and the changchun institute of optics and fine mechanics, chinese academy of sciences, measuring the direct and scatter irradiance spectrum of ultraviolet waveband which arrives in beijing global surface, giving a method of retrieving the aerosol optical depth ( aod ) and put up with primary results that exponential function can fit the retrieval results according to its visibility, putting forth different coefficients and functions on variable visibility, also giving a primary analysis on the aod in dust - storm day and some contrast between sun - day and dust - storm day, analyzing the ratio between scatter and total irradiance, and its relationship with atmosphere mass and total atmosphere optical depth, lastly contrasting with the survey results by aeronet beijing station, the results of retrieval is in reason, this work gives some help in researching the co - effect of aerosol - radiance - climate and makes preparation for further survey on the radiance characteristics of dust

    利用中國科學院大氣物理研究所與長春光學精密機械研究所合作研製的太陽?大氣紫外光譜輻射計（ sauvs ） ，測量到達北京地表的太陽直接和散射紫外光譜輻射，導出了大氣氣溶膠的光學厚度。初步結果表明：北京紫外波段大氣氣溶膠的光學厚度在絕大部分情況下隨波長的增加而單調減小，用指數函數可以較好地擬合反演結果，統計得到了三個水平能見度狀況下擬合函數的系數值和公式表達式；初步分析了揚沙、浮塵、沙塵暴天氣條件下氣溶膠光學厚度的特點，並與一般晴朗天氣條件下的氣溶膠光學厚度特點做了比較分析；分析了太陽紫外譜輻射中散射輻射與大氣質量、大氣總光學厚度的定性關系和定量表達式；最後與全球氣溶膠監測網路（ aeronet ）北京站的資料做比對，表明反演結果基本合理。
  4. Thick layers of silicate glasses can be formed by repetitively using this technique. waveguide structures can be fabricated by sintering the sample at certain temperature

    通過多次使用這種方法可以形成厚的硅酸鹽玻璃膜層，最後樣品在一定溫度下燒結得到波導結構。
  5. Non - conductive coatings on non - magnetic electrically conductive basis materials - measurement of coating thickness - amplitude - sensitive eddy current method

    非磁性電導基體金屬上的非導體鍍層.鍍層厚度的測量.波幅靈敏渦流法
  6. In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results

    本工作以矢量場模型出發，對具有誘人應用前景的柱形垂直腔面發射結構（ vcsel ）的微腔半導體激光器（ mcsl ）進行了理論分析，建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型；對圓柱形結構情況進行了數值模擬，得到了振蕩波長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律；為使理論計算更接近實際，將外加金屬包殼視為非理想導體，或將金屬包殼與激光器結構隔開，分別對這兩種情況下的結果進行了討論。
  7. The loss of coplanar wave - guides ( cpws ) on ps / ops layers with thickness about 10, and 70um respectively on low - resisitivity ( o. olflcm ) si has been studied, which are expected to increase the substrate resistivity and then to reduce its effective dielectric loss under the microwave operation

    01隻cn : ） _ l生長的多孔硅/氧化多孔硅厚膜為襯底制備的共平面波導（ cpw ）的微波插入損耗特性，其介質膜的厚度分別是10腳和70腳。
  8. By thermal conducting method and the finite difference method, we also analyzed the heat diffusion in different material structures

    我們分析了材料結構、脊波導高度、材料波導層及雙異質結上限制層厚度和折射率。
  9. Moreover, the medium film affected the coupling effect, weakening its leading effect on the microwave - absorbing properties of materials, increasing the absorption quantity and decreasing the matching thickness, the density of area and the lodb bandwidth

    介質膜的加入則會影響層間耦合作用，減弱層間耦合作用對材料吸波性能的主導作用，提高吸收量，降低匹配厚度、面密度與10db帶寬。
  10. Therefore, the method of lines is applied to characterize the influence of metallization thickness and conductivity loss on the velocity match and impedance match

    為此，論文著重分析了共面電極的厚度與有限電導率對行波調制器的微波特性的影響。
  11. The results show that the thickness and the width of the electrode, electrode gap and the thickness of upper cladding have different effects on microwave effective index, characteristic and conductor loss. compromising structure must be adopted in practical design to gain perfect performance

    結果表明:電極的厚度和寬度、電極間距以及上包層的厚度對微波有效折射率、特徵阻抗和導體損耗的影響是不同的，在實際設計時應當綜合考慮。
  12. It has been shown by our calculations that conductor loss is greatly reduced under velocity matching with relatively thick coplanar waveguide electrodes and thick buffer layer, but the characteristic impedance can not match with that of the external circuit at the same time, and the modulation bandwidth is confined in this case

    然後，用一般的橢圓積分計算了普通共面波導型調制器的有效折射率、特徵阻抗和導體損耗系數。通過計算發現，採用厚電極和厚緩沖層結構，在實現速度匹配的情況下，可以大大減小導體損耗，但是由於阻抗不能同時滿足匹配，調制帶寬受到限制。
  13. Numerical results are given to demonstrate the effects of several factors including the number of basis functions, the thickness of waveguide, the terminations of waveguide and different frequency on the radar cross section ( rcs ) of a slot array

    物理光學法用於有限電尺寸導體平板散射的分析。文中給出了縫隙陣列在不同頻率、基函數個數、波導厚度、終端負載等情況下的計算結果。
  14. First, under the given boundary condition and reasonable simplified condition, this paper develops radiation transmitting equations in atmosphere applied in infrared waveband and visual light waveband from common equation of radiation transmitting. then, the formula between observation of satellite and net surface radiation is established according to the developed equations, from which it is found that net surface radiation is relative to sun zenith, land surface and cloud albedo, etc. at last, by using data of satellite visual light ( vis ), infrared 1 ( ir1 ), infrared 2 ( ir2 ) and water vapor ( ir3 ) channel, sun zenith and net surface radiation, a regression formula is built

    本文從大氣中太陽輻射傳輸的一般性方程入手，引入邊界條件及簡化條件，推導出紅外波段和可見光波段的大氣輻射傳輸方程，由此建立起衛星觀測輻射與地面凈輻射的關系，文章還就衛星觀測到的輻射與雲量、雲高、雲的光學厚度、雲及地面反照率等之間的關系進行了理論分析，可以幫助更好地理解雲對地面凈輻射的影響。
  15. Absorbing properties of single layer absorbing materials are determined by complex permittivity, complex permeability, thickness, frequency and so on. the external electromagnetic ( em ) parameters of materials lie on ingredients " content and em parameters

    單層吸波材料的吸波性能主要取決于材料的復介電常數、復磁導率、材料厚度及使用頻率等因素，而該層的宏觀電磁參數又取決于各組分的電磁參數及其含量。
  16. The structure of the strained quantum well laser has been optimized, not only the well layer, the barrier layer, the waveguide layer and the cladding layer but also the content of al, in have been studied and designed

    對應變量子阱激光器的結構進行了優化設計，對半導體激光器的阱層、壘層、波導層和限制層的厚度及in 、 al元素的含量進行了研究和設計。
  17. In this paper, we computed and found the main parameter for facture of ti : linbo3 waveguide, by the function of ti diffusion profile in linbo3, and the waveguide mode ' s cut - off condition. the parameters include waveguide width : 8 m, titanium film thickness : 50 ~ 60nm, index change : 0. 006, diffusion temperature : 1050 and diffusion time : 9 ~ 10 hours

    本文從ti擴散特性和波導導模截止條件入手，計算並確定了製作單模ti linbo _ 3波導的主要參數，如：波導寬8 m ， ti膜厚50 60nm ，擴散溫度1050 ，擴散時間9 10h等。
  18. On the basis of the theoretical analysis, design and the study on the fabricating technique, the relationship between hull height and writhe speed, the output light which proves the single - mode condition, and the split peculiarity of output light, was gotten

    在前面器件理論分析、設計和工藝研究的基礎上，我們得到了膜厚度與轉速關系特性曲線；得到直波導輸出光斑，驗證了波導參數滿足波導單模性的要求；得到的y分支的輸出分光特性。
  19. As beams transmit mostly in the core of waveguide, also the changes of thickness and refractive index of the sample will quickly and sensitively affect the propagation constant, the information of sample can be obtained through monitoring the propagation constant. 4. the periodic anti - resonant reflecting layers are presented

    由於光束集中在作為波導層的待測物之中傳輸，而由待測物質的厚度、折射率等參數帶來的微小變化均會引起導模傳播常數的變化，通過監測傳播常數的變化即可得到待測物質的信息。
  20. This means that the dielectric property changes with height and allows a slight increase in the speed of a radio wave as we move upwards through the atmosphere. this in turn means that if a radio wave moves away from the earth at an angle less than 90 degrees, then the upper part of the wave travels faster than the lower part. therefore even under normal conditions this can in effect bend, or refract, the wave back down to earth

    其中一種顯著的現象是：在一定的氣象條件下，在大氣邊界層尤其是在近地層中傳播的電磁波，受大氣折射的影響，其傳播軌跡彎向地面，當曲率超過地球表面曲率時，電磁波會部分地被陷獲在一定厚度的大氣薄層內，就好像電磁波在金屬波導管中傳播一樣，稱為大氣波導傳播，形成波導傳播的大氣薄層稱為大氣波導層。
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