敏感度參數 的英文怎麼說

中文拼音 [mǐngǎnshēnshǔ]
敏感度參數 英文
sensitivity parameter
  • : Ⅰ形容詞(靈敏;敏捷) quick; agile; smart; nimble Ⅱ名詞(姓氏) a surname
  • : Ⅰ動詞1 (覺得) feel; sense 2 (懷有謝意) be grateful; be obliged; appreciate 3 (感動) move; t...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 參構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • 敏感度 : degree of se itivene
  • 敏感 : sensitive; susceptible; tactful
  1. This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

    對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導,對氣動測量系統中的噴嘴-擋板型氣動傳器中的關鍵部件? ?主噴嘴和測量噴嘴的進行了理論設計,對主噴嘴和測量噴嘴的不同組合,將影響測量系統靜、動態特性指標的噴嘴進行了對比實驗和優化設計,並通過實驗驗證了理論推導,從而使氣動測量系統量程的示值范圍達到40 m ,靈達到100mv m ,解析達到0 . 05 m ,測量不確定小於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚尺寸精密測量分組的要求。
  2. As a new component of sensor, fiber grating have many instinctive advantages, such as light in weight, anti - cauterization, anti - interference in electromagnetism, high - sensitivity and compaction in construction. it is very easy to be coupled with fibers and the coupling - loss is slight. using fiber grating ’ s character of sensitivity for stress ; people have done some envelope experiments on structural systems ( such as storied buildings, bridge, railway and dam )

    光纖光柵傳器除了具有重量輕、耐腐蝕、抗電磁干擾、靈高、結構緊湊等優點外,還有其獨特的優越性,如探頭尺寸小,其直徑與光纖等同;易於與光纖耦合,耦合損耗小;波長調制型,抗干擾能力強;集傳與傳輸於一體且具有極強的復用能力,易於構成傳網路;測量對象廣泛,易於實現多測量等等。
  3. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點的變化情況及各入口對蒸發器動態特性的影響即蒸發器性能對各變化的性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力、空氣溫濕和霜厚分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  4. Those sensitive parameters making system have negative damping and occur self - excited shimmy are horizontal pulling lever rigidity, tire sideslip rigidity, steering gear rigidity and damping, kingpin equivalent damping, kingpin caster angle, tire drag. and wheel center distance, tire side rigidity, vehicle wheel unbalanced mass, tire vertical rigidity, and distance from kingpin center to the vertical central line plane of tire have great influence on shimmy, but they do n ' t make the system have negative damping. and horizontal pulling lever damping, suspension damping and rigidity have very small influence on shimmy

    橫拉桿剛、輪胎的側偏剛、轉向機剛、轉向機阻尼、繞主銷當量阻尼、主銷后傾角、輪胎拖距是影響擺振的,適當調節某一可引起系統的負阻尼,使系統產生自激擺振;輪距、輪胎側向剛、車輪上的不平衡質量、輪胎垂向剛及主銷延長線與地面交點至車輪平面的距離對擺振的影響也較大,但不會使系統出現負阻尼;而橫拉桿阻尼、懸架阻尼與懸架剛對擺振的影響很小。
  5. In this paper, the sensibility analysis of the factors affecting the temperature in well bore is relatively systematically made by using a large number of the data calculated with the borehole flow and heat transfer 3 ? d numerical model proposed by the author. the study shows that the thermophysical parameters of the drilling fluid and formation, etc. and the entrance temperature and circulating capacity, etc. of drilling fluid have a greater influence on the temperature in well bore. therefore, accurately mastering the thermophysical parameter values of penetrated formation and drilling fluid in well bore, considering the influence of the temperature and pressure on thermophysical parameters and accurately measuring such parameters as entrance temperature and discharge capacity of drilling fluid, etc. are of utmost importance for accurately simulating the temperature in well bore

    利用由作者提出的井內流動和傳熱的三維值模型計算所得的大量據,文章對影響井內溫的諸多因素進行了較系統的性分析,研究表明:鉆井液和地層等的熱物理以及鉆井液的入口溫、循環排量等對井內溫有較大影響,因此,準確掌握所鉆地區地層和井內鉆井液的熱物理值,考慮溫壓力對熱物理的影響,準確測量鉆井液的入口溫、排量等值,對于井內溫的準確模擬至關重要。
  6. Relationship between the gyro ’ s bandwidth and sensitivity and the resonant frequency differential ratio is derived through frequency analysis. the bandwidth of the gyro increases as the resonant frequency differential ratio increases ; but the sensitivity decreases as the resonant frequency differential ratio increases

    增大驅動軸和軸之間諧振頻率的頻差,可以增加微陀螺的帶寬,但是降低了微陀螺的靈,這為設計石英音叉結構時,確定驅動軸和軸諧振頻率提供了指導依據。
  7. An analytical mosfet threshold voltage shift model due to radiation in the low - dose range has been developed for circuit simulations. experimental data in the literature shows that the model predictions are in good agreement. it is simple in functional form and hence computationally efficient. it can be used as a basic circuit simulation tool for analysing mosfet exposed to a nuclear environment up to about 1mrad. in accordance with common believe, radiation induced absolute change of threshold voltage was found to be larger in irradiated pmos devices. however, if the radiation sensitivity is defined in the way we did it, the results indicated nmos rather than pmos devices are more sensitive, especially at low doses. this is important from the standpoint of their possible application in dosimetry

    該模型物理意義明確,提取方便,適合於低輻照總劑量條件下的mos器件與電路的模擬。並進一步討論了mosfet的輻照性。結果表明,盡管pmos較之nmos因輻照引起的閾值電壓漂移的絕對量更大,但從mosfet閾值電壓漂移量的擺幅這一角來看,在低劑量輻照條件下nmos較之pmos顯得對輻照更為
  8. 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、主要特性及其應用,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響規律,提出了ld端面泵浦nd : yag激光位移傳新方法,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指與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳器的測量范圍和靈分別是13 . 045mm和0 . 148mw / pm 。
  9. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳器在兩主軸方向的靈大致相同,元件採用高對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式元件,具有高靈、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的元件結構進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化;在確定結構的基礎上,研究了元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速成正比的電壓信號。
  10. Combined with researches on propagation characteristics, the micro - current sensor for on - line pd monitoring is developed and the effects of coil number, stray capacitance and loading resistance on pass - band and sensitivity are also studied

    同時,結合傳播特性,研究了局部放電在線監測寬帶微電流傳器,並就線圈匝、雜散電容和負載電阻等對傳器通頻帶、靈等性能的影響進行了分析。
  11. For parameter a, there is a close relationship exist between a ( 9, sr ) in two different radar incident angle that can be expressed as : with considering the effects of soil texture, we get the final expression of the inversion model : where mv ( t1 ), mv ( t2 ) is volumetric soil moisture content in two different temp, c, d is soil type related parameters, and v ( t1 ), s ( t2 ) is coresponding bare soil radar backscattering coefficients. inversion results show that for the c band hh polarized radarsat scansar data with a range of incidence angle from 20 to 40, the soil moisture change value can be derived with an acceptable accuracy using the above model. the temporal and spatial soil moisture change patterns are associated with rainfall and vegetation cover, as well as the soil hydraulic characteristics

    利用最新發展的電磁波散射模型研究了不同植被覆蓋地表雷達波對地表土壤水分的性,建立了半經驗植被雷達後向散射模型; 2 ) .研究發現在農作物等矮小植被覆蓋地表,植被層直接後向散射與植被類型相關,且在植被生長期,雷達後向散射系對植被含水量的性要高於對植被高變化的性; 3 ) .解決了單雷達地表土壤水分反演問題中,雷達入射角和地表粗糙的影響這一難點問題; 4 ) .利用土壤介電模型校正了不同土壤類型對反演地表土壤體積含水量的影響; 5 ) .在以上成果基礎上,建立了完整的單雷達地表土壤水分變化探測反演演算法,經地表驗證,模型反演地表土壤水分變化值的精為rmse = 0
  12. The risk degree of development plan is judged by using fuzzy risk analysis, which offers a decision basis for choosing an optimum plan

    分析了海上油田開發的不確定性因素,在性分析的基礎上,定義了不確定性對評價指標的
  13. With the two cohorts combined, nasal bone absence had a sensitivity of 47. 6 % and specificity of 100 %

    兩個同時考慮時,對鼻骨缺失的診斷達到47 . 6 % ,特異性達到100 % 。
  14. It showed that the result of this study was more stable and reliable by sensitivity analysis

    分析結果均與改變前的結果基本一致。
  15. Then, the analysis was performed on existing ships, for example vlcc energy concentration, bulk carrier, double hull vlcc, container ship, then some useful conclusions were achieved

    然後在此基礎上對實船進行了分析和分析,得出了一系列有意義的結論。
  16. Based on this simulation model, researched the affection to output performance and sensitivity made by the design parameter. analyzing the effect of the expansion ratio to the design of the release devices

    利用模擬模型,研究了設計對輸出性能的影響和,並分析了膨脹比在分離裝置設計中的作用。
  17. 11 batterywala s, shenoy n, nicholls w, zhou h. track assignment : a desirable intermediate step between global routing and detailed routing. in proc. int

    根據擁擠串擾線長等,每條線段都可以計算一個優先級,進行分配時按優先級從高到低進行。
  18. The influences of random material parameters and dimensional parameters on the performance of a micro - gyroscope were quantitatively described by a so - called impact factor based on the probability theory

    通過所提出的影響因子這一概念反映了微陀螺變異對性能變異的
  19. L. the paper studies the theory to detect damage of bridges, and compares many sensitive parameters to detect bridge damage through correlative literature all over the world, finally concludes it suitable that bridge damage is detected by strain mode parameters. the strain mode parameters satisfy four foundstiona. l conditions as follows : ? hey are sensitive to sectional damage and they are monotone function of structure damage. @ they have determinate location coordinate

    論文通過對國內外橋梁損傷檢測方面的文獻資料研究,探討了識別橋梁損傷的基本理論,比較了多種結構損傷識別橋梁損傷的優缺點,最後確定用應變模態識別橋梁結構損傷較為合適,應變模態是對損傷,滿足四個基本條件:對局部損傷,且為結構損傷的單調函;具有明確的位置坐標;在損傷位置,應變模態差曲線出現明顯的峰值變化;在非損傷位置,應變模態差曲線的變化幅小於預先設定的閾值。
  20. Abstract : the influence of geology, geostress, rock strength and construction method on surrounding rockmass deformation was analysed in this paper. the sensitivity of deformation to horizontal geostress and rockmass elastic modulus was analysed through numerical modeling and sensitisity factor was obtained. this study has important significance to how to select rockmass mechanical parameter

    文摘:從地質、地應力、巖石強及工程施工方法等幾方面分析對川藏公路二郎山隧道圍巖變形位移的影響,通過值模擬分析水平地應力和巖體彈性模量對洞壁變形位移的性,並求出因子,這項研究對巖體力學的選取具有重要意義。
分享友人