sensitivity analyses 中文意思是什麼

sensitivity analyses 解釋
靈敏度分析
  • sensitivity : n. 1. 敏感(性);感受性。2. (儀器等的)靈敏性。3. 【攝影】感光度。
  • analyses : 分析, 檢驗, 解析, 分解
  1. The thesis analyses how to use the sensitivity index and sensitivity isotropy index to design the sensors structure concretely

    具體說明了如何有機地結合靈敏度指標和靈敏度各向同性指標優化設計傳感器的力敏元件結構。
  2. This dissertation studies the exterior ballistics characteristics of the target sensitivity projectile ( tsp ) in detail, first simplifies it ' s model, analyses the dynamic relation of three rigid bodies among friction plate, parachute and projectile with the method of r - w multi - bodies

    對末敏彈實體模型簡化后,運用多剛體動力學中的r - w方法和牛頓-歐拉方法對末敏彈系統各剛體之間的力學關系進行了分析,建立了末敏彈運動的數學模型。
  3. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式,電力系統的發展使得電流差動保護應用於線路保護成為需要,而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先,本文對目前線路保護的研究和實際應用情況進行了討論和分析,比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點,同時為加快差動保護的動作速度,對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析,結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護,對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  4. Abstract : 145 samples of eight plants were collected from lanmuchang and yangjiawan and quantitative analyses were made of the ore - forming elements in the plant ashes. considering the three principles of the plant indicator for mineral exploration, namely certainty, sensitivity and feasibility, this paper evaluates comprehensively the indicating functions of the eight plants, on the basis of some quantitative indexes such as the relation coefficient between plant ash and ore - forming element, concentration coefficient, etc. it also discusses the relationships between the anomaly of plant ashes and the fault zone, alteration zone mineralization zone and orebody, showing the significance of these plants to the prospecting

    文摘:在濫木廠和楊家灣鉈(汞)礦床(點)對芒箕、南燭、榔榆、大金發蘚、蜈蚣草、石松、黃花草、醉魚草等8種植物取樣145件,在提出確定找礦有效指示植物三原則(確定性,敏感性,可行性)的基礎上,依據植物灰分與底質成礦元素相關系數、植物灰分富集系數和襯度系數,較全面地分析和評價了8種植物的找礦功能;討論了其異常的分佈與斷裂帶、蝕變帶、礦化帶以及工業礦化(礦體)之間的關系,並指出了其找礦意義。
  5. Sensitivity analyses showed that the model is more sensitive to hydraulic conductivity and least sensitive to specific storage and more sensitive to recharge factor compared to the hydraulic conductivity

    靈敏性分析表明:模型對滲透系數比較敏感,而對給水度相對不敏感;降水補給的影響大於滲透系數的影響。
  6. Analyses and calculate the sensitivity of the system, and the interference of the laser emitting system to the weak signal detection system 11 is restricted, the error rate of the system is reduced, and the sensitivity of the laser communication system is enhanced by the means of the electromagnetism compatible technique

    對系統的靈敏度進行了分析與計算,並利用電磁兼容控制技術,抑制了激光發射系統對微弱光電信號檢測系統的干擾,降低了系統的出錯率,提高了激光通信系統的靈敏度。
  7. According to structural characteristics of multi - phased alloy steels and the properties of ultrasonic propagation, microstructures characterization with different heat treatment processes ( normalizing, quenching / annealing, quenching plus low tempering, quenching plus high tempering ) for three steels ( 40cr, 38crmoal, gcrlssimn ) was studied experimentally by using ultrasonic methods. ultrasonic velocity, relative attenuation coefficient, and power spectral analyses were researched on the same samples respectively, on the basis of theory and experiment, the sensitivity and other characterizations of the three methods used to distinguish different microstructures were compared

    根據具有多種相結構合金鋼不同熱處理轉變產物的組織特點,以及超聲波在其中的傳播規律,利用超聲波速度、相對衰減系數以及功率譜分析三種方法,對三種鋼( 40cr 、 38crmoal及gcr15simn )不同熱處理(正火、淬火退火、淬火+低溫回火及淬火+高溫回火)轉變產物的顯微組織進行了超聲表徵研究。
  8. The article analyses wide angle laser signal receiving system and the receive sensitivity of system, and studies the problems on circuits designing of laser receiving system

    對廣角激光信號接收系統和系統的探測靈敏度進行了分析,研究了激光接收系統電路設計問題。
  9. The economy of ngv is evaluated by means of the retrieval period of the investment and the economy of natural gas station is evaluated by means of both the balance analyses between the profits and loss and the analyses of sensitivity

    本文使用投資回收期評價了改裝天然氣汽車的經濟性,使用盈虧平衡分析以及敏感性分析方法評價了天然氣加氣站的經濟性。
  10. ( 3 ) sensitivity analyses were conducted for parameters in unsaturated soil conductivity model which was derived from redistribution process. the results calculated from measured data indicate that the sensitivities of conductivity to parameter b and n are higher than the other parameters

    ( 3 )對由再分佈過程推求的土壤非飽和導水率模型中的參數進行了敏感性分析,根據實測資料的計算表明,非飽和導水率對參數b和n的敏感性均大於其它參數。
  11. In the course of theory analyses, acoustic / vibration signal acts on the coupling area of a coupler. there are two different actions - horizontal operation and vertical operation and two different transmissions - traveling wave and standing wave. the responses of the sensor analyzed with matlab shows that the length of coupling and the frequency of acoustic / vibration signal will influence the sensitivity of the sensor

    理論分析過程中,聲振動信號對傳感器的耦合區有不同作用方式(橫向作用縱向作用)以及不同傳播形式(駐波傳播/行波傳播) ,用數學軟體matlab對其響應進行模擬分析,得出了耦合長度和聲振動信號頻率會影響傳感器的靈敏度。
  12. This dissertation introduces the characteristics of health insurance. it analyses the relationships between transition probabilities and transition intensities in markov and semi - markov models, and discusses the payable probabilities and the net single premium under different insurance contracts. finally, it tries to study the calculation and the sensitivity testing of total premium

    本文在對健康保險產品的特徵進行分析的基礎上,介紹了現有的健康保險的markov模型,探索性地引入semi - markov模型研究轉移概率和轉移強度的關系,並探討了健康保險的賠付概率,以及典型的健康保險產品的純保費的計算。
  13. This paper calculates and analyses the positions of compensation in chongqing power network respectively by means of sensitivity analyses singularity analyses margins analyses and modal analyses. before optimization, the paper firstly makes certain the weak voltage bus and the positions of compensation

    論文分別採用靈敏度分析法、奇異值分析法、靜態電壓裕度法和基於靈敏度的模式分析法分別對重慶電網的無功補償點進行了計算和分析,在優化計算前先確定出了重慶電網的電壓薄弱點和對應的無功補償候選點。
  14. Considering the properties of reactive power compensation, the paper synthetically analyses and compares the methods of sensitivity analyses, singularity analyses margins analyses and modal analyses, and draws a conclusion that the modal analyses based on sensitivity is more practical and effective for selecting the positions of compensation. the method has properties o f explicit concept, small computation and rapid processing, and is suitable for the selection of the positions of compensation in great scale power system

    考慮無功補償的特點,對靈敏度分析法、奇異值分析法、裕度分析法和模式分析法進行了綜合分析和比較,得出利用基於靈敏度的模式分析法選擇無功補償點時,結果更為實用有效,該方法物理概念清楚,計算量小,處理速度快,適合解算大規模的電力系統補償點的選擇問題。
  15. First, this paper introduces the difference of all - power radiometer and dicke radiometer sensitivity, and gives normal calibration equation and periodic calibration equation of antenna temperature, and analyses calibration error due to square - law detector illinearity

    本文在總結前人研究工作的基礎上,首先比較了全功率輻射計和迪克型輻射計的靈敏度,討論了輻射計天線溫度的反演和周期定標技術,分析了檢波器非線性特性對輻射計定標結果的影響。
  16. The several ones that have more lager sensitivity to embankment settlement are found out. then, aimed at the traditional three - layer bp network ' s shortages : easily getting into local minimum value and slow convergence, the modification combined momentum method with self - adaptation study velocity is made, and one improved bp network is put forward. finally, according to the results from above sensitivity analyses, the nonlinear model main parameters of each natural layer in roadbed are approximately rectified using the improved bp network technology founded on its stronger nonlinear mapping capacity and the settlement measurements

    採用非線性有限元程序,對鄧肯-張模型中8個參數與路堤沉降的關系進行了詳細分析,找到了影響沉降的主要參數;接著,針對傳統的三層bp網路具有收斂速度慢、易陷入局部極小點等不足,對其進行了修正,提出了改進的bp神經網路模型;最後,根據上述靈敏度分析結果,基於改進的bp網路模型較強的非線性映射能力和前期沉降實測資料,對路基中各天然土層的非線性模型主要參數進行了反分析修正; ( 4 )路堤沉降計算一維法中考慮應力歷史、側向變形的研究。
  17. The paper analyses the necessity of the investment risk analysis of chinese petroleum enterprises in dint of the development about the same business in home and overseas and gives a new method - monte carlo simulation method through connecting with general theories of investment risk analysis and basing on analyzing the problems which lie in the investment risk analysis and management and by grounding on original evaluation guideline system of investment risk analysis and decision - making model. the merits are that the method not only embodies uncertainty of risk elements but also makes up the limitation rooted in underestimating influence extent about all of risk elements by com bining original break even analysis and sensitivity analysis. the method perfects deeply investment risk analysis system and improved the accurateness of investment risk analysis

    本文結合石油企業投資風險分析在國內外的發展狀況,分析了我國石油企業進行投資風險分析研究的必要性,結合投資風險分析的一般理論,在分析我國石油企業目前投資風險分析與管理方面所存在的問題和我國石油企業原有的投資風險分析評價指標體系與決策模型的基礎上,根據我國石油企業實際情況,引入蒙特卡羅模擬方法,充分體現各風險因素的不確定性,使之與原有的盈虧平衡分析、敏感性分析相結合,以彌補原有石油企業投資風險分析決策模型對各風險因素的影響程度考慮不足的缺陷,進一步完善投資風險分析系統,增強石油企業投資風險分析的準確性,並將其應用於遼河油田冷家西部開發方案中。
  18. By analyzing expression between a and fuzzy entropy from the view of analytics, this paper analyses the relationship of between a and fuzzy entropy and the changing trend of fuzzy entropy function with the increase of a, then discusses the sensitivity of the parameter a to classification result such as total nodes, rule number, classification accuracy of fuzzy decision tree, proposes an experimental method of obtaining optimal a, it is proved by experiment that the optimal value a obtained by this method can make the classification result of fuzzy decision tree best, and therefore provides the academic evidence of selecting parameter a in order to gain the best classification result

    本文在visualc + +軟體開發平臺及模糊id3演算法的基礎上,從解析的角度出發,通過分析參數與模糊熵之間的函數關系式,討論了隨著的增加,模糊熵函數的變化趨勢,進一步分析了參數對模糊決策樹的分類結果在訓練準確率、測試準確率、規則數等方面所表現出的敏感性,探討了得到最優參數的實驗方法。實驗證明,利用這一方法得到的最優參數的值,可以使模糊決策樹的分類結果達到最好的效果,從而為人們用模糊決策樹進行分類時選取參數以獲得最優的分類結果,提供了良好的理論依據。
  19. Meanwhile, biosensors can be applied to a wide rage of analytical tasks, including clinical diagnosis, control of industrial process, environmental monitoring, evaluation of the safety of chemicals, analyses in food and pharmacy industries because of its high sensitivity, good selectivity, no sample pretreatment and integrating the processes of the sample separating and detecting

    生物傳感器以靈敏度高、選擇性好、分離過程和檢測技術合為一體、不需要樣品預處理等特點而受到廣泛重視,目前發展很快,已應用於臨床醫學檢測、工業過程式控制制、環境檢測、化學物質安全性評價以及食品、制藥等許多領域。
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