根靈敏度 的英文怎麼說

中文拼音 [gēnlíngmǐn]
根靈敏度 英文
root sensitivity
  • : Ⅰ名詞1 (植物的營養器官) root (of a plant) 2 (比喻子孫後代) descendants; posterity 3 [數學] ...
  • : Ⅰ形容詞1 (靈活; 靈巧) quick; clever; bright 2 (靈驗) effective Ⅱ名詞1 (精神; 靈魂) spirit; ...
  • : Ⅰ形容詞(靈敏;敏捷) quick; agile; smart; nimble Ⅱ名詞(姓氏) a surname
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 靈敏度 : [電子學] sensitivity; response rate; sensibility; sensitiveness; response; susceptibility; suscep...
  • 靈敏 : sensitive; keen; quick; agile; acute
  1. During the calibration, a regress - analyse method is used to get the weight of the different channel based on equational coefficient, the weight represents the sensitivity of each channel

    為了提高測量的可靠性和精確性,對9通道數據同時採集,在測試標定時採用回歸分析方法,得到不同通道的權值。
  2. The loop sequence of mb1 and mb2 were the anti sense and sense sequence ofing1, respectively the sequence of mb3 was a piece of ssrna sequence in tobacco mosaic virus, which had no analogical to human gene. mbl was the most suitable probe because mbl had the highest fluorescence enhancemen after hybridizing wtth rna extrated froin normal cell

    第三章,據一種常見的病毒煙草花葉病毒( tmv )的核酸序列設計了分子信標熒光探針,由於tmv的遺傳物質是rna ,分子信標又具有很高的特異性和,因此感染了病毒粒子的植物葉片在經過簡單處理后,可用分子信標檢測葉片上。
  3. In varous determination systems, the potassium bromate - organicdye system and the system based on nitrosation reaction arc the main systems for determination of nitrite by fluorophotometry in the present time, and using the surface active agent to enhance determination sensitivity is the research content and one of directions

    在各種測定體系中,溴酸鉀有機染料體系和基於亞硝化反應體系是目前熒光光法測定亞硝酸的主要體系,利用表面活性劑提高測定的是研究內容和方向之一。
  4. 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、泵浦光焦斑位置等參數的選取依據,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,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指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,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分別是13 . 045mm和0 . 148mw / pm 。
  5. 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

    為使二維振動傳感器在兩主軸方向的大致相同,感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感元件,具有高、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的感元件結構參數進行了計算,並利用有限元法進行了模擬分析,據模擬結果得出了優化參數;在確定感結構的基礎上,研究了感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;對感晶元內部的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。
  6. Finally according to the above mentioned results, two universal ulpa were made and their performance were tested. these results indicated that on the whole, the values of parameters, such as sensitivity of each element, center frequency, relative bandwidth and cross coupling among near elements and so on, and their consistency all meet the ask of technique. therefore, both of transducers performance are favorable

    最後據上述研討結果,製作了兩個通用超產相控線陣換能器,並進行了性能測試,結果表明兩個換能器各陣元、中心頻率、相對帶寬、相鄰陣元間串波等參數值及其一致性均基本滿足技術要求,換能器性能良好。
  7. Based on the requirement of electrica l power plants, we designed a new type of sensors for stator winding partial discharge measurement online. the sensors are of good insulation, high sensitivity, easy installation on site, and good safety, suitable for on - site application

    據現場的要求,本文研製出一種非接觸式空氣電容傳感器,它具有頻帶寬、絕緣性能好、高的特點,可以在高壓端測量高頻放電脈沖,可以代替各種接觸式傳感器在發電機高壓母線端進行在線局部放電監測。
  8. According to location optimum means of passive control devices based on active control theory, the method using system index delicacy and system index increment to solve linear quadratic objection function is improved. thus such cases as repetitive location of ved can be taken into account

    據主動控制理論的被動控制器位置優化,改進了採用系統指標和系統指標增量實現二次型目標函數的方法,使其能考慮ved位置的重復放置情況。
  9. Secondly, according to the requirement of the parametric sensitivity analysis, the method based on orthogonal experiment is chosen to cope with the difficulty of obtaining the sensitivity analysis through the partial derivative of explicit function. and it also overcomes the traditional single factor cyclical method ' s shortcoming ? impossibility to analysis interactional factors. furthermore, some significative conclusions are acquired from the sensitivity analysis

    其次據軌跡優化問題分析的需要,選取基於正交試驗的分析方法,解決了軌跡優化問題沒有顯函數,無法通過求其偏導數獲得的難點,同時克服了傳統的單因素輪換法對該類問題進行分析帶來的弊端? ?無法對有相互作用的因素進行分析,並通過對軌跡優化問題進行分析,得出了一些有益的結論。
  10. Finite difference time - domain method is used to calculate the reflection for these probes and absorbing boundary condition is used to deal with the singularity in the axis of the coaxial - line in the simulation. by comparing the reflection of different probes, the best probe has been selected according to sensitive requirement. the influence of parameters : such as thickness of protective film, length of protruding inner conductor of the coaxial - line probe to the measurement has been studied

    通過時域有限差分法進行數值模擬分析,並採用吸收邊界處理同軸線軸心奇異點,計算出各種探頭測量相同溶液的反射系數,據其測量的,選出最優設計;並通過分析所選探頭的各種設計參數,如薄膜厚、內導體伸出長等的變化對測量結果的影響,找出該探頭各參數的最佳范圍,使其具有高性,以適用於測量化學反應溶液的介電常數。
  11. This article according to the acquirement of the system parameters such as : temperature sensitivity 、 angle resolution 、 image forming time etc to design the type and diameter of the antenna ; the receiver type, integral time, rf gain, lpf gain ; the mode of calibration ; the sample frequency and program of the daq ; the scanning time, scan type, etc

    本文據系統溫、角解析、成像時間等參數要求,對系統天線類型、直徑,接收機類型、積分時間、射頻增益、視頻放大器增益,定標方式,數據採集卡的采樣頻率、編程及驅動裝置的掃描速、掃描類型等進行了詳細的分析設計。
  12. On the base of above, we take into account disturbances of amb and design the controller which can not noly steady the system but also increase robust ability of the system by choosing suitable weighting sensitivity function

    在此基礎上,利用h理論的混合法,據系統受干擾的情況選擇合適的加權函數,設計出能使該系統穩定且提高系統魯棒性的控制器。
  13. The main contents to be studied and solved are shown as follows : designing scheme of the error compensation system, studying and designing the signal conditioning circuit, designing the data - acquisition circuit, designing and realizing the max1457 software development system. the compensating circuit is designed in virtue of the signal conditioning chip max1457 as its core. the data - acquisition circuit is designed in virtue

    硬體方面,據總體方案設計了以信號調理晶元max1457為核心的補償電路;以max1401為核心的數據採集電路,用來採集傳感器的電橋電壓和max1457輸出電壓;設計了max1457電源電路, max1457的電源電壓是失調dac和dac的參考電壓,採用了ad586給max1457提供精密5v電源電壓。
  14. The method that increases the attitude accuracy of strapdown inertial attitude and heading reference system ( siahrs ) with the infromation from inertial measurement unit ( imu ) its own is studied. according to the design idea of damping network in platform type, damping kalman filter in siahrs is designed to enhance the attitude accuracy via integrating attitude calculated by common siahrs and that estimated by accelerometers. in order to evaluate the effectiveness of damping attitude, the vehicle ' s movement should be detected in real - time. for this reason, the state chi - square test is employed in the damping kalman filter, and the failure detection vector are tested, which improves the sensitivity and reliability of failure detection. finally, static and dynamic experiments of actual system demonstrate the effectiveness of the proposed method

    本文探討了如何利用慣性測量組合本身的信息來提高捷聯航姿系統的姿態精.據平臺式阻尼網路的思想,設計了捷聯式內阻尼卡爾曼濾波器,將慣導系統捷聯解算獲得的姿態與加速計估計的姿態進行組合,在系統非加速狀態下,提高了姿態輸出的精.為了實時監測系統的運動狀態從而判斷內阻尼姿態的有效性,本文成功將狀態2檢驗法應用在內阻尼卡爾曼濾波器中,設計了基於2個狀態傳播器的故障監測器,並通過對故障檢測向量元素的檢驗代替對整個向量的檢驗,提高了故障監測的和可靠性.最後,實際系統的動靜態實驗驗證了本文所提出的方法的有效性
  15. At the same time, the field of vision can be changed. the good designed optical system radically eliminates systematic errors of distant effect in optics

    光學系統的合理設計從本上消除了存在於同類其它系統中的距離效應以及探測器光譜不一致性兩種系統誤差。
  16. A uniform state ion chamber with double layers has been developed for distinct measurement in various n + y mixed fields in the fast neutron reactor. the cavity material is 6lif + 7lif. the inner wall material is 6lif and the outer wall material is 7lif

    據let效應因子的測量結果和快中子堆y譜、中子譜等基本資料,以及~ 6lif和~ 7lif對中子響應有較大差異這一特點,研製了以~ 6lif + ~ 7lif為空腔、 ~ 6lif為外壁、 ~ 7lif為內壁的具有雙層室壁結構的均勻固體電離室,並將其用於快中子脈沖堆n 、混合場區分測量,徹底剔除了熱中子的干擾。
  17. It adopts the xbrothers professional security and facility control system which includes : the real - time monitoring and controlling for the electric power supply system ; the air conditioning control system ; the ups control system ; the leaking control system ; the fire alarm system ; the video surveillance system and ; the access control system. the system provides the fire monitoring and turn to emergency status when fire detects. the system alarms for the abnormal of the important field through adjusting dynamic detecting sensors, according to the demands in the video marking field

    在該監控系統中,如果檢測到消防報警信號,系統會自動聯動門禁系統打開對于重要區域的視頻劃定動態檢測報警區域,據機房內不同的環境情況,通過調節動態檢測,來實現移動報警系統採用模塊化結構設計,可以方便的進行系統擴充,在本項目最初實施的過程中只安裝了一套指紋加刷卡的門禁系統,在使用的過程中,據清算中心的要求,需要對機房內的另四道門加門禁系統,則監控系統在不影響原有系統正常運行的情況下,進行系統的平滑升級,最大化的保障系統的安全與用戶的投資。
  18. Abstract : the principle of electro - differential - constant temperature detector ( edctd ) is summarized. a calculation method for selecting resistance value in the measurement circuit based on the sensitivity requirement is proposed. theoretical analysis and experimental result for the method are also given. the proposed method can be applied to production and calibration of edctd, providing guideline in determining the resistance parameters

    文摘:介紹了電子差定溫式火災探測器的工作原理,提出了據不同要求選取電路中各電阻阻值的方法,並從理論和實驗兩方面加以分析和論證,消除了電阻參數選擇的盲目性,為生產、檢測差定溫式探測器提供了理論依據。
  19. According to the actual situation and performance requirements, how to impair the influence of the disturb torque and the uncertainty of the system object model and how to improve stabilization and tracking accuracy are the principal difficulties in this paper. to solve these problems, a method by using mutative - plus and high - order compensation is brought forward and design by adopting h mixed sensitivity method in the velocity loop, then the weighting function selection is discussed, and the concrete selection principles are given in details

    據本系統的實際工作情況和性能指標要求,通過分析指出,如何克服機(艦)載條件下干擾力矩的影響及系統對象模型的不確定性是本系統中提高穩定精和跟蹤精要重點解決的問題,針對這一問題,提出了在速率穩定環採用變增益的串聯高階校正設計控制器和利用h _混合方法進行控制器設計的方法,詳細討論了加權函數選擇的問題。
  20. Making use of the idea of the parallel genetic algorithms, presenting the adaptive multiple subpopulation evolutive strategy. presenting extinction and immigration strategy in order to avoid the similar or even same individuals appear. in order to enhance convergence velocity of reactive power optimization of the radial distribution system, combining the characteristic of the radial distribution system, a sensitivity analysis approach was build up for optimal selection of capacitors and mutation of transformer tap changer

    為了提高配電網無功優化的收斂速,結合配電網的特點,提出採用簡單可行的公式選擇無功電容補償器的安裝地點,並用分析變異變壓器分接頭,使變異運算元的選取更符合配電網無功優化問題中關于調節變壓器分接頭的實際情況,減少了一些不必要的變異運算,使適應性和魯棒性加強;據實際情況採用無功補償電容器的啟發式變異,使變異運算元的選取更符合無功優化問題中關于補償電容器的實際。
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