衰減分佈 的英文怎麼說

中文拼音 [shuāijiǎnfēn]
衰減分佈 英文
collapsed distribution
  • : 衰動詞(衰弱) decline; wane
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  1. It make the principle formula become simpler and more practical. by the attenuation regulation and distributing character of stress wave under the linear charge blasting, the paper bring forward the idea that the columniation stress wave can be regarded as cylinder stress wave, the end stress wave as spherical wave. the perfect stress attenuation formula in radical direction is established in complete elastic medium

    根據條形藥包爆破應力波特徵及規律,提出了可將條形藥包爆破柱部應力波當作柱面波、端部應力波當作球面波處理的研究方法:建立了理想的完全彈性介質中球藥包和條形藥包爆破徑向應力方程。
  2. The density distribution shows coronet as to the single mode. and the density distribution shows equality as to the multi - modes, except the little hollow in the optical fiber core. the second is coherent incidence light

    結果表明,對于非相干情況,輸出光強為中心對稱和沿徑向非均勻形式;對于相干情況,輸出光強為復雜的峰谷形式。
  3. Some by - products of this work can be used as routine tools in the uv laser laboratory. commercial video ccd cameras are used to image uv laser and soft x rays, window glass as a fluorescer is used to indirectly measure the uv laser beam profile with high energy density, and a special glass which permits uv light to pass through while absorbs the visible, is introduced into the uv beam profiling in strong visible stray light environment

    實驗中發展了一些測量技術,例如用可見光視頻ccd直接測量紫外激光的光束和激光等離子體產生的x光二維圖象,利用窗玻璃作為熒光體測量能量密度較高的紫外光束,利用可見吸收紫外透射玻璃製成的器測量有嚴重背景光的紫外光束,可以作為實驗室的常規測量工具,並有一定的推廣價值。
  4. ( 4 ) the correlation property between the distribution of attenuation factor and that of the group velocity is indicated, in this study

    ( 4 )研究結果顯示,在頻率域內,面波系數與群速度具有一定的相關性。
  5. The fog attenuations at infrared wavelength are computed and analyzed with the fog drop size distribution model of radiation and advection fog, the empirical relation of fog attenuation with water content or visibility are obtained at 10. 6 urn wavelength, the relation for radiation fog have a good agreement with the relation obtained by experimental results

    基於霧滴尺寸模型,對霧的紅外輻射特性進行了析和研究,並給出了10 . 6 m紅外輻射與霧的含水量或能見度的經驗關系,該經驗關系與實驗結果間有很好的一致性。
  6. It is indicated in the test that the influence of loading to strain in the grout was about in the range of 5 ~ 6m, and very weak beyond 4m. the distributions of strain and bond stress in the grout are attenuated in the minus exponential rule

    試驗結果表明,加載對錨固段內的應變影響范圍大致在5 6m左右, 4m以外很微弱;錨固段注漿體內的應變與粘結應力按照負指數規律
  7. Main conclusions drawn from the analyses of calculating results are as follows : ( 1 ) the microwave absorption of atmosphere gas have obvious attenuation at the wavelengths for cloud detection, thereinto, the water attenuation effect changes greatly, so the 94ghz cloud detecting radar should have water vapor attenuation correction scheme. ( 2 ) when 37ghz and 94ghz radars detect clouds, the difference between the atmosphere and cloud attenuation and the large variety of radar reflectivity conduce the intension of the radar backscatter signals change. ( 3 ) for the thin cloud layer and low water content of cloud, 37 - ghz radar backscatter signals are not as good as 94 - ghz radar, that is to say that the 94ghz radar has better capability in thin clouds detection

    本工作得出如下結論: ( 1 )大氣氣體的微波吸收在測雲波段產生明顯的,其中水汽效應變化很大;即將上天的空間94ghz測雲雷達必須有水汽訂正方案; ( 2 ) 37ghz和94ghz雷達測雲,由於大氣和雲不同和雷達反射率的很大差異,導致雷達回波信號強弱不同; ( 3 )對雲層較薄、含水量較少的雲,在不計雷達參數的情況下, 37ghz雷達回波信號不如94ghz測雲雷達,也就是說94ghz對薄雲有更強的探測能力;對雲層較厚、含水量大的雲,由於強的作用, 94ghz雷達回波信號小於37ghz雷達; ( 4 )從大氣的不利因素方面考慮,空間94ghz雷達測高層薄雲的效果最好;測低層薄雲時需要考慮氣體訂正;因濃厚雲的強作用,探測其中下部的能力大大弱,不僅要進行訂正,而且要藉助其他信息來反演整個雲層的含水量垂直; ( 5 )為了獲得從極薄到極濃厚雲的垂直探測能力,未來測雲雷達系統最好採用雙波長甚至三波長(如94 、 37和13ghz ) 。
  8. X4 ? gridding attenuation and 2 ? x2 ? gridding group velocity are calculated respectively, based on the attenuation and velocity, the distribuation of rayleigh wave quality factor qr are yielded finally. ( 3 ) building the s - wave quality factor og3d structure of the continental crust and upper mantle of china area

    為此把中國大陸區域劃成4 4網格和2 2網格,利用lsqr方法別進行系數和群速度網格化反演,得到4 4單元格的系數和2 2單元網格的群速度
  9. Using the dsd models and forward scattering amplitude computed by the least squares fitting method, the specific attenuations at l - 400ghz have been computed and analyzed, the parameters of " power law " relation between specific attenuation and rainfall rate are obtained. the specific attenuations in qingdao, guangzhou and xinxiang are compared with itu - r specific rain attenuation models

    利用平均雨滴尺寸和點匹配法計算的雨滴的前向散射數據計算和析了青島、廣州和新鄉地區1 ? 400ghz特徵雨特性,得到了特徵雨與降雨率的指數關系參數,並與itu - r ( internationaltelecommunicationunion - radiocommunication )特徵雨模式進行了系統的比較研究。
  10. Optical attenuation, widely applied in many fields, can be adopted to acquire single - photon sequence that is foundational in quantum key distribution. we obtain single - photon sequence by precisely controlled optical power distribution along outlets of manifold consist of beam splitter instead of the attenuation by time sequence due to loss

    用線性束耦合器形成多個輸出口,將光強的時序變為光強沿輸出口的空間,研製出了量子保密通信用的精密控制的強器,實現了對光子數的精密控制。
  11. ( 2 ) calculating the gridded rayleigh wave attenuation factor y and group velocity. the lsqr algorithm is used to inverse the attenuation factor and group velocity under 4 ? x4 ? gridding and 2

    ( 2 )進行rayleigh波系數、群速度網格化純路徑反演計算,得到網格單元純路徑系數和群速度結構。
  12. Generally speaking, the high group velocity and low attenuation factor and high qr in the same area, but relatively low group velocity and high attenuation factor and low qr in the same area in china is the general distribution

    在不同周期,面波系數或品質因子在整個中國大陸區域是不均勻的;總體表現為高群速度的區域呈現高叢和低系數、低群速度的區域呈現低叢和高系數的特點。
  13. In modern times, man - made destruction and irrational use make the shrubbery area reduced sharply and lead to insect and rats disaster and fire and aggravate the decline of shrubbery

    近、現代以來,人為的破壞和不合理利用使灌木林面積在其自然區域內迅速少,並導致病蟲鼠害和火災的嚴重發生危害,加劇了灌木林的退。
  14. Locating feature of inner city ( 1 ) the general land value descends according to the distance away from central district ( 2 ) the descending ratio changes according the different land use, business land value descends the fastest, housing land descends faster, and factory & warehousing land normal 3

    城市內部地價特點地價總體水平以城市核心區為中心按照城市幾何結構遞;不同用地類型速率不同,商服用地最劇烈,住宅用地次之,工礦倉儲用地最為緩和。
  15. This paper has studied the mean attenuation, scattering, and back scattering cross sections of groups of small rotating spheroids about characteristics of microwave scattering when their rotatory axes are oriented at random in any direction in 2d plane and 3d space respectively under the condition of normal distribution, and that those physical quantities are changed with different variance, expectation and wave lengths of incident electromagnetic wave

    本文研究旋轉軸方向別在平面內和空間中隨機取向呈正態時的小旋轉橢球粒子群的平均截面、平均散射截面、平均後向散射截面等微波散射特徵,以及這些物理量隨軸向期望、方差及入射電磁波波長的變化。
  16. By means of similar simulation, lateral abutment pressure distribution and concentration degree which at the face of the upper coal, the distance between peak stress and coal surface, the influence circle of abutment pressure, and the transfer and weakening of concentrated pressure at the bottom side are analyzed on actual geology data in pingdingshan 8th mine f15 and f ( subscript 16 - 17 )

    摘要採用相似模擬的方法,以平頂山八礦己二采區己15和己(下標16 - 17 )煤層實際地質資料為基礎,析了近距離煤層上煤層開采時,在上煤層采場兩側向的支承壓力及集中程度、峰值距煤壁的距離、支承壓力的影響范圍;一定范圍內底板中集中應力的傳遞及漸特徵。
  17. At last distribution functions of load modes in life service are presented. based on the resisting force model and load model, the limit state equations of rc bridge are formulated. according to the resisting force is time - dependent and vehicle load is the non - gaussian distribution, jc method is applied to calculate the time - dependent reliability index of rc bridge

    在抗力模型及橋梁荷載模型的基礎上,將可靠度理論引入橋梁結構的評定中,推導出了橋梁結構耐久性極限狀態方程,並根據耐久性極限狀態方程中抗力是時間的函數,以及車輛荷載為非正態的特點,應用當量正態法( jc法)編制相應的程序計算橋梁構件的時變可靠度指標。
  18. The influences of the reinforcement proportion of distributing bars to concealed bracings on bearing capacity, stiffness, deterioration process of stiffness, ductility, hysteresity capacity, energy dissipation and failure features of low - rise shear wall were studied through experiment analysis on 6 models of low - rise shear wall with concealed bracings under cyclic loading

    通過6個帶暗支撐低矮剪力墻試件在低周反復荷載作用下的試驗析,研究了不同的鋼筋和暗支撐鋼筋配筋比例對低矮剪力墻承載力、剛度及其過程、延性、滯回特性、耗能、破壞特徵等方面的影響。
  19. Based on the application studies of pcm, dcvc, cips and scm in protective coating for long - distance buried pipeline and the characters of long - distance buried pipeline in shandong, the synthetic inspection technology of protective coating for long - distance buried pipeline is proposed

    摘要通過對電磁電流法、直流電位梯度法、密間距電位測試技術、雜散電流測試儀在埋地長輸管道外防腐層檢測上的應用研究,並根據山東省埋地長輸管線的特點,提出了聯合檢測方法。
  20. This equation solving method overcomes the shortcomings of simulation software on thermal field analysis, strongly complements the commonly used 1 - d temperature distribution to analyze thermo - optic devices in literature. the results avoids complicated form of solutions provided by fourier transform method, and thereafter lend itself to analyze the influence of thermo - optic to attenuation characters and power consumption in waveguide

    這種方法克服了模擬軟體在熱場析上的不足,是對現有文獻多數採用一維溫度作為熱光器件析的有力補充,也避免了傅立葉變換法的復雜形式,為後面析熱光效應對器件性能和功耗的影響打下了基礎。
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