指數響應 的英文怎麼說

中文拼音 [zhǐshǔxiǎngyīng]
指數響應 英文
indicial response
  • : 指構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
  1. The response of canopy reflectance spectru

    棉花葉面積冠層反射率光譜及其反演
  2. On the basis of foreign documents, the dissertation firstly describes the morphology, taxonomy, and biological characters of cochineal insects. then, by using artificial climate cases in the lab, according to orthogonal design, 8 lands of combinations of temperature, humidity and light is set, while the temperature has four levels : 15, 20, 25 and 30, and the relative humidity has two levels : 60 % and 80 %, while the light also has two levels : 980 lux and 60 lux. through observations and analysis of hatching percentage, survival percentage of the first instar and during from the second instar to the adult, the population tendency index, generation life cycle, size and eggs of female adult, the development of the cochineal under different conditions is studied

    在收集、整理國外對胭脂蟲的研究資料基礎上,首先從胭脂蟲的形態學、分類學、生物學特性入手,進而在實驗室內利用人工氣候箱,用正交設計方法,設計了4種溫度、 2種濕度、 2種光照梯度的不同組合,通過測定胭脂蟲的孵化率、 1齡若蟲的存活率、 2齡若蟲至成蟲期存活率、種群趨勢、世代歷期、雌成蟲的大小、懷卵量等生物學標,深入研究胭脂蟲在這些組合下的生長發育狀況,理統計方法,分析出溫度、濕度和光照對各項生物學標的影,找出胭脂蟲適宜的室內培育條件,並為野外胭脂蟲的培育提供一定的理論依據。
  3. So we consider five financial indexes includes stock b / p, e / p, current stock size, current stock stru and financial levge by the international tradition, then descriptive statistical test method and cross section statistical test method proved that b / p and current stock size have marked effect on the securities yield besides coefficient b. in the third chapter, the article fut forward a risk factor model, estimates yield sequences of every risk factor by weight regression, and then estimates each risk factor coefficient of different stock by time sequence regression, at last we can reckon the portfolio risk o2p and yield rp which consists n stocks

    結合國際慣例,文章考慮了股票的凈值市價比( b p ) ,市盈率倒( e p ) ,流通規模( size ) ,流通比例( stru )和財務杠桿( levge )等五個財務標,用描述性統計檢驗和橫截面統計檢驗等多種方法,結果表明,除系以外,凈值市價比( b p )和流通規模( size )對證券收益率部有重要的影。在論文的第三章,提出了一個基於多因素的風險因子模型,並用加權回歸和時間序列回歸等方法估計出了不同證券的各風險因子系(類似於單模型中的系) ,據此,即可衡量出一個包括n只股票的組合的風險_ p ~ 2和收益率r _ p 。
  4. An under estimation of the hearing effects by the low frequency noise could be happened. that is to say, even if the a - weight sound level is small, the low frequency noise may annoy to listener by the different ways from the high frequency noise. so it is necessary to understand psychoacoustics in order to make noise quality evaluations that match the subjective experience of the purchaser

    同時用主觀評價方法?成對比較法( paircomparisonstatisticalevaluationmethods )對不同家用空調器噪聲進行主觀評價試驗,並與客觀評價結果進行了對比,結果表明:人主觀(煩躁程度)與各心理聲學評價標之間均具有很高的相關性,相關系一般均大於0 . 9 ,而與a計權聲壓級之間的相關系只有0 . 78 。
  5. ( 2 ) in the condition of quasi - quadrennial or quasi - biennial oscillation, monthly mean anomaly fields of slp, ssta, x and f have the most important effect on the linear response of nino3. 4, and there exists obvious spatial symmetry among cold and warm events of enso oscillation

    ( 2 )在準4a或準2a振蕩下, slp 、 ssta 、 _ x 、和_ y的月平均距平場對于nino3 . 4的線性佔主導地位, enso振蕩的冷暖事件間具有明顯的空間的對稱性。
  6. Based on the above, another mathematics model for calculation about saturation index ( complex compounds considered / unconsidered ) which can reflect water - rock interaction ' s state has been built up, moreover newton - raphson which is a iterative way has been used to resolve the mathematics model, the results show that si ' s value accord better with practice when complex compounds are considered.

    在此基礎上,建立了旨在反映水-巖(或礦物)系列間反狀態的飽和si的學模型,採用newton - raphson迭代法進行求解。在計算中,分別考慮絡合物的影和不考慮絡合物的影。結果表明,基於考慮絡合物的影所求得的si值比較符合實際。
  7. 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,加載對錨固段內的變影范圍大致在5 6m左右, 4m以外很微弱;錨固段注漿體內的變與粘結力分佈按照負規律衰減。
  8. Therefore, a model of three sectors, respectively referring to domestic sector, manufacturing export sector and primary product export sector, has been established here to measure the technology spillover effects of export on domestic sector. finally, based on a broader framework, this dissertation went on to investigate the relationship between openness and china ' s economic growth, while the result shows that though there exists a notable dispute about how to measure the degree of china ' s openness, the index of trade dependence still maintains the better one to reflect china ' s economic openness. in the meanwhile, impulse response function ( irf ) method and forecasting errors variance decomposition ( fevd ) method, both of which are based on the vector auto - regression ( var ) system, are used here to investigate the dynamic relationship between openness and china ' s economic growth

    與傳統理論不同,新增長理論和新貿易理論都強調技術進步的作用,因此本文構建了一個三部門的技術外溢效模型(國內部門、工業製成品出口部門以及初級產品出口部門) ,考察了工業製成品出口和初級產品出口對國內非出口部門不同的技術外溢效;第四,從更加廣闊的視野就貿易開放度與中國經濟增長問題進行研究,有關貿易開放度如何度量一直是存在較大爭議的問題,本文首先對該類研究文獻進行了較為詳盡的述評,然後運用生產函方法對所選取的5個貿易開放度度量標進行了檢驗,結果發現盡管一些已有研究認為外貿依存度無法真實度量一國經濟開放水平,但是本文研究結果表明外貿依存度仍是度量我國貿易開放度的較好標,進一步採用基於var系統的脈沖法以及預測誤差方法分解法對貿易開放促進經濟增長的作用進行了動態刻畫。
  9. Fiber optics mechanization of an aircraft internal time division command response multiplex data bus

    光纖化的飛機內部時分制式多路傳輸據總線
  10. Based on the analysis of the dynamic behavior of nanning bridge by means of spatial finite element models, the nonlinear dynamic time history method is used to conduct the sensitivity analysis of the parameters of viscous dampers ( damping constant c and damping exponent ? ) of the bridge and the laws of influence of the parameters on the seismic response thereof have been obtained

    摘要在來用空間有限元模型對南寧大橋動力特性分析的基礎上,採用非線性動力時程分析方法,對南寧大橋粘滯阻尼器參(阻尼常c 、阻尼? )進行敏感性分析,得出粘滯阻尼器參對南寧大橋地震的影規律。
  11. On the base of var. analysis significance of the experimental treatment, we investigated crop response to water - salt stress regularity, studied the quantity relationship about crop yield and soil water and salt, established a function about them referring to blank and jense water model. conclusions as follows : ( 1 ) the effect of germinating time and rate emergence are different in soil with different salt content, and limited seriously in heavy saline soil

    在方差分析確認試驗處理顯著的基礎上,對作物生理生育標(株高、莖粗、葉片、花盤直徑、干物質量、葉水勢、籽實產量)進行統計分析探索作物水鹽規律;研究作物產量與土壤水分鹽分聯合作用的定量關系,參照水分的blank加法和jense乘法模型結構,建立作物水鹽模型。
  12. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  13. A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method

    提出一種基於遺傳演算法的直流雙閉環調速系統參優化設計方法.根據工程技術的要求,選用速度超調量和過渡時間作為參優化性能標.將該標用模糊隸屬度函歸一化,再加權平均形成系統優化模型的目標函.採用計算機值計算方法,通過模擬獲得系統對的動態曲線及其性能標.最後以工程設計的參為搜索范圍,以速度調節器和電流調節器的參為染色體中的基因,通過遺傳演算法在搜索范圍中優化這些基因,獲得優化解.實驗結果表明,所設計的參能使系統性能標有顯著提高
  14. In this method, the measured response data are first decomposed into modal responses using empirical mode decomposition ( emd ) approach with intermittency criteria

    使用帶有間歇標的經驗模式分解( empiricalmodedecomposition - emd )方法將測量據分解成各階模態
  15. The loss results from those factors, which are divided into three groups : the first one, drought, agriculture proportion and education index, is positively related with the loss of technical efficiency. the second, arable land per capita, weight of irrigation area and weight of new maize breed, is negatively related with it, and the last, water disaster and planting area of maize, is irrelated with that

    在影玉米產出的各個因素中,旱災、農業比重、教育和效率損失呈正相關,人均耕地面積、灌溉、新品種用和效率損失呈負相關而與技術效率正相關,水災、玉米種植比重兩個變量沒有表現出和效率損失有明顯的相關性。
  16. The time - history method in combination with damper coefficients and their associations was employed to compare and analyze the bridge response results in terms of the inertial forces of key sections and displacement of key positions

    針對不同粘滯阻尼器阻尼系以及阻尼組合,採用時程分析方法,比較分析了結構主要構件和部位的內力及位移地震結果。
  17. In order to utilize the frquency resource adequately and increase the capacity of mobile communication system, the wireless electric wave propagation of existing mobile system always adopts the microcell structure. forecasting the path loss characteristic of electric wave accurately can provide the necessary condition for the layout and design of wireless network, at the same time it is a precondition for the research on the microcell mobile system. the methods of forecasting of wireless electric wave propagation can divide into two parts : one is pluse and respond, that is establish the empirical model based on experimental and statistical data ; the other is ray tracing method, that is establish the deterministic model based on theoretical analyse. the paper discuss the characteristic of wireless signal electric wave transmition in symmetrical atmosphere of earth, and introduce the common path loss transmition model in land mobile communication system, also point out the localization of these models based on experiential methods

    而精確預測無線電波傳播路徑損耗特性,則為合理的微蜂窩無線網路規劃、設計提供了必要條件,同時也是研究微蜂窩移動通信系統性能的前提。無線電波傳播預測的方法分為兩類:一是用沖激法,即根據實驗、統計所得據建立經驗性傳播預測模型;另一種是用射線跟蹤方法,即依據理論分析來建立確定性的傳播預測模型。本文首先討論了在地球表面均勻大氣中的無線電波傳播的基本特性,介紹了陸地移動通信系統中常用的幾種電波傳播路徑損耗經驗性預測模型,並出了這些經驗性傳播模型對于微蜂窩小區無線電波傳播特性研究的局限性。
  18. The result of experimentation on coupling effect of water and fertilizers on spring corn in the three gorges reservoir area indicate that water stresslead the effect low of highness and lai, and the most effect is made in shooting stage ; it has a significant positive correlation between the yield of corn and biomass, and hasn ' t none significant positive correlation between the yield of corn and the weight of roots ; the coupling effect of water and n is significant, but the coupling effect of water and k is not significant, the maximum yield of corn condition fitting - water and medium n, corn absorbs n has a threshold value during the growth, and using superfluous n is able to prick up soil drought and crop drought ; water is the leading factor which effects the yield of corn, next is n and k

    摘要三峽庫區春玉米盆栽水肥耦合試驗研究結果表明,水分脅迫導致玉米株高和葉面積降低,以拔節期受到影最大;玉米產量與生物量呈顯著正相關關系,產量與根重無顯著正相關關系;水氮耦合效顯著,適宜水分和中氮處理下玉米的產量最高,玉米生長發育對氮肥的吸收存在一定的閾值,過多施用氮肥會加劇土壤乾旱和作物乾旱,水和鉀耦合效對玉米產量影不顯著;水分是影玉米產量的主導因素,其次是氮效和鉀效
  19. Based on a general overview of firm performance assessment theories, this study makes a comparison between traditional performance measures and strategy - oriented performance measures, analyzes the existing performance measurement system of the national aviation oil companies. the thesis has a literature review of the balanced scorecard researches and applications, expounds the advantages of the balanced scorecard over traditional measurement systems in revealing the intension of firm performance, analyzing the critical factors behind firm performance and providing information support for firm strategy, documents the relationship between the balanced scorecard and firm strategy, and puts forward the idea of strategic performance. by using the data and background information from one of those national monopoly oil companies, this study a ppraises the limits of this sort of companies " performance measurement system, applies balanced scorecard method to this kind of national monopoly oil company, designs questionnaires to collect experts " opinions, colligates the opinions, selects kpis, builds experimentally the first strategy performance assessment indicator system in this kind of company, determines the indicators " parameters, uses the real corresponding data to measure the 6 business lines of this company, through comparing the assessment result with the strategic standard, a conclusion is drawn and suggestions are put forward about how to exploit the performance potential under present conditions

    在對績效測評理論進行回顧的基礎上,本文研究了傳統測評標體系與戰略導向的測評標體系的區別,總結了中國航空油品經營企業的績效測評現狀,對平衡計分卡理論研究和用進行了綜述,分析了平衡計分卡在揭示績效內涵和影績效的因素、發揮績效測評的信息作用等方面的優勢,論述了平衡計分卡與企業戰略的關系,提出了戰略績效的概念,並結合某壟斷性油品經營國有企業的實際,評述了此類企業傳統績效測評標的局限性,借鑒平衡計分卡思路,通過設計調查問卷、收集專家意見並加以綜合分析等工作,選取關鍵績效標,探索性地建立了中國壟斷性航油經營國企的首個企業戰略績效測評標體系,並確定了標有關參,對標的統計口徑採用經調查獲得的測評所需據,對該企業6個業務板塊的績效進行測評,通過對比分析得出在現有條件下如何挖掘潛力的結論和建議。
  20. In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    本文將水質預測及水污染控制措施有機地結合,選取水環境容量和污染作為水污染控制的參.這樣,一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值,從而制定相的水污染控制措施.為整體考慮各種污染物的情況,建議採用河流的污染進而推求綜合污染.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影是實用有效的
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