衰減程度 的英文怎麼說

中文拼音 [shuāijiǎnchéngdù]
衰減程度 英文
attenuation degree
  • 衰 : 衰動詞（衰弱） decline; wane
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  • 程度 : 1. （知識、能力的水平） level; degree 2. （事物變化達到的狀況） extent; degree
  1. Based on the theory of the extended fractal dimension, this paper studied the attenuation level of self - similarity of various map objects with the variety of the map scale, and researched further the relationship between the scale level factor of map features and fractal attenuation

    以擴展分維作為理論基礎，從變維分析的角度出發，研究地圖目標的自相似程度隨比例尺變化而衰減的規律，進一步研究地圖目標的尺度指標與分形衰減之間的關系。
  2. The analysis of data and uncertainty of the test upon different simulant target properties and atmospheric condition has proved that noncooperative regulable attenuation method and setting described in the paper can achieve a quantitative output

    不同目標特性、不同大氣條件下的地面性能驗證實驗數據和精度理論分析結果均表明，非合作目標可調衰減法可以實現對激光高度計最大測程的定量化驗證。
  3. According to the minimum detectable power required by the spaceborne laser altimeter for 200km maximum range and the analysis result of the effect between the maximum range and the equation ' s each parameter, the specifications for noncooperative regulable attenuation setting were fixed on

    根據月球探測激光高度計實現200km所需的最小可探測功率，各影響因子與最大測程關系的分析，確定非合作目標可調衰減法裝置的技術指標。
  4. The maximum range is the most important specification for a laser altimeter and 200km is the required level for the spaceborne laser altimeter in the lunar resources survey. in the paper, one kind of method and setting characterizing the laser altimeter ' s performance aiming at the specification of maximum range - noncooperative regulable attenuation was put forward and founded

    中科院知識創新重大方向?月球資源探測衛星激光高度計，要求實現200km的對月測距能力，本文以地面驗證激光高度計最大測程指標為目標，提出並建立一種激光高度計性能驗證方法?非合作目標可調衰減法和裝置。
  5. Based on the analysis of the effect on the maximum range of the equation ' s each parameter and the traditional method of extinction ratio, the noncooperative regulable attenuation - measure the minimum detectable power of laser altimeter on the condition of constant miss probability by attenuating the laser power transmitting to the diffuse reflected simulant target - was put forward

    在傳統的消光系數法基礎上，根據對月測距方程各系數的影響權重分析，提出了非合作目標可調衰減法，即：通過對漫反射模擬目標，衰減出射激光功率，在一定的漏警概率條件下測量激光高度計的最小可探測功率。
  6. A new method for measuring the vibration of shadow mask without touch by detecting the light density with reflection type optical fiber sensor is presented. the measurement system based on the new method is designed to make the vibration measurement easier working, faster calculating, and get more precise results. it is an important measurement and analysis tool to improve the performance of shadow mask and display quality of cpt

    本文提出了基於單光纖光強度反射法的非接觸式微振動測量系統的原理，並設計製造了該測試系統，探索出了簡單方便可靠的測量方法，能夠準確客觀地反映蔭罩振動的各項參數（各振動模的振動頻率、振幅、衰減時間） ，實現了測試裝置的簡便化和測試過程的自動化，為cpt張緊式蔭罩系統的性能改進與顯示質量的提高提供了有效的測試分析手段。
  7. The paper has founded the model of laser transmission in launch process and the movement model of laser - powered vehicle, and has analyzed the influence on performance of launch system, which was raised by some factors, for instance, the performance of thruster, the attenuation in transmission, the height of mode - transform, the laser power, the air drag force, the launch height, and so on

    本文研究了激光推進微小衛星發射系統的概念和性能。建立了發射過程激光傳輸和激光推進運載器運動模型，分析了推進系統性能、大氣傳輸衰減、模式轉換高度、激光器功率、大氣飛行阻力、發射點高度等因素對發射系統性能的影響。
  8. Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications

    本文系統地研究了基於「北斗一號」衛星載波相位干涉測量原理實現地球靜止雙星定向的相關技術，主要研究成果包括以下幾方面:首先，建立了利用兩顆地球靜止軌道衛星進行短基線定向的數學模型，分析了載波相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析，數學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上，提出了雙星定向精度衰減因子odop的概念，揭示了雙星定向誤差特殊表現的內部機理，對實際工程應用具有重要的指導意義。
  9. The pn and don were 32 % and 40 % in autumn, 31 % and 39 % in spring 1998, respectively. pn and pp in autumn shows strong vertical gradation in autumn other than spring, and other nutrient species shows relatively uniformity in vertical scale

    由於秋季浮游植物優勢種為硅藻且其生物量和初級生產力均高於春季，春季優勢種則為硅藻和甲藻，結合調查海域葉綠素與化學要素間的相關程度，可推斷秋季正處于浮游植物生長的發展階段，而春季正處于浮游植物生長的衰減階段。
  10. The pzt ferroelectric films " fatigue characteristics were studied, and here the electrical load was produced by rt6000s ; it was known that with the voltage increasing or frequency reducing, the degree of ferroelectric fatigue decay would increase

    然後用rt6000s測試儀加載電載荷，總結得出pzt薄膜的鐵電疲勞規律，即加載電壓增加或加載頻率降低時，鐵電極化衰減程度變大。
  11. Based upon the experimental study, the stiffness and its attenuation, bearing capacity, ductility, hysteretic property, energy dissipation and failure phenomena of each shear wall with different design parameters are contrastively analyzed and the seismic mechanism of this new shear wall has been opened out

    對各不同設計參數剪力墻的承載力、剛度及其衰減過程、延性、滯回特性、耗能能力和破壞特徵等進行了較系統的分析，揭示了其抗震機理。
  12. Based upon the experimental study, the stiffness and its attenuation, bearing capacity, ductility, hysteretic property energy dissipation and failure phenomena of each shear wall with different design parameters are contrastively analyzed and the seismic mechamism of this new shear wall has been opened out

    通過試驗，對各不同設計參數剪力墻的承載力、剛度及其衰減過程、延性、滯回特性、耗能能力和破壞特徵等進行了較系統的分析，揭示了其抗震機理。
  13. According to these accomplishments, several techniques are expounded emphatically in this paper, including 3d refraction statics, coherent noise suppression by prestack wave field separating ( prestack fx noise attenuation ), 3d prestack multiple domain random noise attenuation, multiples attenuation, nmo of unsymmetrical hyperbola, dynamic replacement of wave equation, surface - inconsistent residual static, super bin stacking, poststack depth migration and prestack depth migration. all the techniques have been applied in seismic processing of 2d, 3d and wide - line profiling and obtained good results

    本文根據項目組研究成果，重點閘述了三維折射波靜校正技術，疊前波場分離相干噪音壓制方法（疊前fx去噪） ，疊前三維多域隨機噪音衰減技術，多次波衰減技術，非對稱雙曲線動校正技術，波動方程動態替換技術，非地表一致性的剩餘時差靜校正技術，超面元迭加處理技術，疊后深度偏移處理，疊前深度偏移處理等。
  14. The influences of different reinforcement style of the concealed bracings and different span - height ratio of lintel beams on bearing capacity, stiffness and deterioration process, ductility, hysteresity capacity, energy dissipation and failure features of coupled shear wall were studied through experiment of 7 specimens under low cyclic loading

    通過7個結構試件在低周反復荷載作用下的試驗，研究了不同暗支撐配筋形式、不同連梁跨高比對雙肢剪力墻的承載力、剛度及其衰減過程、延性、滯回特性、耗能、破壞特徵等方面的影響。
  15. Due to the uncertainty of factors such as far - range, atmospheric attenuation and operated target, a steady and reliable method and setting to characterize laser altimeter ' s performance is an important and difficult technology

    由於測程遠、大氣衰減、被測目標物等不確定性因素，建立一種穩定可靠的激光高度計性能指標驗證裝置和方法，是一項重要的、必須解決的技術難點。
  16. Fourthly, with the finite element program, the author analyzes the relationship between the load magnitude or frequency and range of breakage or pore pressure. this can provide appropriate parameters for the method of vibrating grouting. fifthly, adopting the compressible porous medium, the author adduced dynamic theory of liquid saturated porous medium to analyze the displacement and force in the sand when there is dynamic load below the earth surface

    基於連續介質力學的混合物理論建立的多孔介質理論和動力控制方程，假設砂土滿足各向同性並處于彈性小應變狀態，豎向振動力將在飽和砂土內部產生三種波，分析了這些波的彌散曲線和特徵衰減曲線，從波傳播的角度，研究了振動力參數和土性參數對振動范圍的影響。
  17. A method is provided to measure the friction parameters of the bed. the maximum friction torque, coulomb friction torque, viscous friction coefficient and moment of inertia can be gotten by fitting the free reduced rate curve of the gimbals and measuring the motor current when the motor begins to rotate

    提出了一種測量轉臺摩擦特性的方法，通過對轉臺在無外推力作用下的速度衰減曲線的擬合以及電機啟動過程電流和轉速的測量，可以得到最大靜摩擦力矩、庫侖摩擦力矩、粘滯摩擦系數及轉動慣量。
  18. At the same time, the power capacity of the above mentioned antenna is preliminarily analyzed. the results show that in the pass band, their power capacities increase with the frequency on the whole, ranging from 10 ’ s kw to 100 ’ s kw. with the change of the pulse duration of microwaves, the measurement is carried out on the sensitivity of the detectors of the types wb - cd01 and 2087 - 6001 - 00, on the attenuation of the

    通過調整微波脈寬，對wb - cd01型、 2087 - 6001 - 00型等檢波器的靈敏度，對2082 - 4137系列和tts系列衰減器的衰減量，對rg - 142型微波電纜的衰減量進行了實驗測定，結果表明:在微波脈寬大於40ns時，檢波器靈敏度基本無變化;當微波脈寬在20 ~ 40ns時，檢波器靈敏度會有一定變化，變化趨勢和程度與檢波器的型號有關;而上述型號的衰減器和微波電纜的衰減量幾乎不受微波脈寬的影響。
  19. Adsorption fouling can not be created easily and the permeate flux decreases limitedly

    在蛋白質膜分離過程中，膜表面不易產生吸附污染，膜通量衰減程度較小。
  20. It can be seen from the analyses that light with different wavelength has different losses when it propagates in different waveguide and light with same wavelength also has different loss when it propagates in different waveguide

    從模擬結果可以看出，不同波長的光在同一介質中傳播時的衰減程度不一樣；而同一波長的光在不同波導中傳輸時的損耗也不一樣。
分享友人
分享到 Line

分享到臉書