測向靈敏度 的英文怎麼說

中文拼音 [cèxiànglíngmǐndù]
測向靈敏度 英文
df sensitivity
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 靈 : 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; ...
  • 敏 : Ⅰ形容詞（靈敏;敏捷） quick; agile; smart; nimble Ⅱ名詞（姓氏） a surname
  • 度 : 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. The characters of this device were high sensitivity, wide - angle warning resign, accurate azimuth angle of the coming laser and low wrong - warning rate

    此激光預警器的特點是靈敏度高、視場寬、測向精度高，且虛警率極低。
  2. This paper simply introduces the device of on - line monitoring for the thrust of the rotating maching, then discu ed the finite dement analyses on the on - line monitoring elastic dement for measuring thrust in detail, in order to develop the performance of the se or and the device, we calculated the distribution of the stre 、 strain 、 axial di lacement in the elastic element using the finite element method when the axial forces f = 3 104n, the result is very satisfied

    簡單介紹大型旋轉機組軸向力在線監控裝置，然後詳細介紹軸向力測力彈性元件的有限元分析，為了提高所研製的測力傳感器的性能，採用有限元方法計算了彈性元件在軸向力f = 3 104n時的應變、應力、靈敏度及軸位移等的分佈情況，分析結果表明：所設計的測力傳感器完全符合廠方的要求及儀表性能指標。
  3. The alternating current in the alternating current magnetic field leakage testing ( ac - mfl ) is one of the magnetizing manners. the sensitivity is very high to the defect of surface and the near to the surface of the workpiece. it is one of the developing directions of nondestructive testing ( ndt ) domain

    交變漏磁檢測技術中的交變是漏磁檢測技術中的一種磁化方式，該技術對工件表面及近表面缺陷具有較高的檢測靈敏度，是無損檢測領域未來主要發展方向之一。
  4. 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度法測定亞硝酸根的主要體系，利用表面活性劑提高測定的靈敏度是研究內容和方向之一。
  5. 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，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 。
  6. 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靈敏度大致相同，敏感元件採用高度對稱的四梁結構，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敏感元件，具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏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，根據模擬結果得出了優化參數;在確定敏感結構的基礎上，研究了敏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;對敏感晶元內部的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度成正比的電壓信號。
  7. The analytic result derived by studying the vertical directional property shows that, the vertical sensitivity distribution is homogeneous and the fluctuation is 0 db in theory. the fluctuation observed in experiments is less than 0. 3db, which agrees well with that in theory

    垂直指向性分析結果表明，光纖水聽器垂直方向的靈敏度分佈是均勻的，理論上波動應為0db ，而實驗測得的垂直方向的指向性波動小於0
  8. 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度.根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度計估計的姿態進行組合，在系統非加速度狀態下，提高了姿態輸出的精度.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，提高了故障監測的靈敏度和可靠性.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
  9. From the results of the experiment, we can see that simultaneity electrochemical polymerization of 3 - pyrrole - dna and 3 - [ 2, 5, 8, 11 - tetraoxa - tridecyl - 13 - ol ] - pyrrole was a new promising method for preparing dna chips because this method had such following advantages : first, the immobilization procedure can be controlled easily. second, with the progress of microelectronics, the miniaturization and integraterization of polypyrrole - based dna chip can be achieved in the future ; third, using an electrochemical active compound like the mb, the hybridization detection will be performed more easily

    從以上實驗結果可看出，電化學聚吡咯方法制備dna晶元和傳統的方法相比具有下列優越性：首先，固定可通過電化學信號控制和完成，操作簡單易行；其次，微電子技術和電化學的進一步結合，可以提高晶元的集成程度，將dna晶元進一步向產業化方向推進；第三，通過應用電化學活性物質，有望建立無標記的dna晶元檢測技術，有利於減少環境污染、提高靈敏度、降低成本。
  10. Fiber optic weak magnetic sensor has high sensitivity, small volume, and can measure magnetic field along three orthogonal directions. it is widely used in national defence, medicine, geology and so on

    光纖微弱磁場傳感器具有靈敏度高、體積小、可以測量三軸向磁場分量等優點，廣泛應用於國防、醫學、地質等各個領域。
  11. At the same time, it uses a frequency translator to obtain a frequency shift, which is equal to the brillouin frequency in fiber. then the detecting pulsed light and the cw reference light can coherent. this method greatly improved the system ’ s sensitive and signal to noise ratio ( snr )

    同時在探測光路中引入一個光移頻環路，使探測光移頻后再經光纖中布里淵頻移，其後向布里淵散射光頻率與參考光束大致相當，可進行相干自外差探測，大大提高了系統的探測靈敏度以及系統的信噪比。
  12. Methods for the calibration of vibration and shock pick - ups. testing of transverse shock sensitivity

    振動與沖擊傳感器的校準方法橫向沖擊靈敏度測試
  13. Methods for the calibration of vibration and shock pick - ups testing of transverse vibration sensitivity

    振動與沖擊傳感器的校準方法橫向振動靈敏度測試
  14. It is necessary to establish a new system for steering performance evaluation of electric power steering. this paper analyzes the effect of electric power steering on the steering performance based on it s configuration feature and then the object evaluation of steering performance of electric power steering is studied. the new system of evaluation includes steering maneuvrability, steering returnability, once enter handling performance, steering wheel vibration, servomotion sensitivity and assist characteristic

    電動助力轉向是轉向系統中較新的技術，在國內發展很快，關于其性能和可靠性檢測還未有統一的方法及評價標準，本文研究的目的主要是對針對電動助力轉向的結構特點，分析了電動助力轉向對汽車轉向性能的影響，提出從轉向輕便性、轉向回正性、轉向盤中間位置區域性能、轉向盤振動、隨動靈敏度和助力特性等方面進行電動助力轉向系統轉向性能的客觀評價，並探討了相應的評價指標，以及對電動轉向系統的電機減速機構及其控制器、傳感器、提出相應的技術要求與試驗方法。
  15. Secondly, methods of improving on probe are investigated in detail : using the electromagnetic shielding effect to decay the direct - coupled magnetic field and using the dual probe to control the energy flow, so as to make the probe to be shorter ; designing 3 - d pick - up coil array to increase detection sensitivity. at last, experiment system is set up to verify the simulation result and the comparing result shows simulation result agrees with experiment result

    其次，對改進傳感器性能的幾種方法進行了詳細研究:利用電磁屏蔽效應以衰減在直接路徑上的磁場傳播、採用復式探頭激勵方式以實現能流控制，從而減小傳感器體積，模擬證實這兩種改進方案有效;設計三維周向檢測線圈陣列以提高缺陷檢測靈敏度，模擬結果證實三維探頭的周向靈敏性。
  16. The sensitivity correct and the test of magnitude character for sensor are done by the comparison method, the horizontal sensitivity, linear error and environment character are tested, and the error of indication is calculated in chapter four

    第四章採用比較法對傳感器進行了靈敏度校準、幅頻特性測定，並進行了橫向靈敏度、線性誤差和環境性能試驗，計算出了示值誤差。
  17. The theory of photoacoustic spectroscopy is described in detail, and is applied to the design of a low noise, high sensitivity longitudinal resonant acoustic cell

    詳細討論了光聲光譜的理論，設計了低噪聲、高靈敏度的縱向共振光聲池，製作了信號測量與數據處理軟體。
  18. 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。
  19. But, because of the partial volume effect of the organism, directly processing of the gene microarray data will make that the characters extracted are not those of the biology genes, which will reduce the measurement sensitivity of the gene features

    但是，機體組織所具有的部分體積效應，使得對基因微陣列數據的直接處理將造成所提取特徵不是真正的生物基因特徵本身，嚴重降低基因特徵測量的靈敏度和指向性。
  20. The system is composed of inverse - fourier - transform system, optic fiber sensor and high sensitivity ccd. its software system of signal acquisition and data processing used the platform of virtual instrument labview. we tested system stability and investigated latex particle size from 32nm to 123nm, several phenomenon below have been found : ( 1 ) the experiment result is consistent with the theoretical arithmetic result of the relation between particle size and normalization light scattering energy at the position of 7 ? and 35 ? angle

    組建了包括反傅立葉變換系統、光纖傳感器以及高靈敏度ccd的大角度側向光散射信號探測系統，設計了基於虛擬儀器labview平臺的信號採集和數據處理軟體，對系統穩定性和顆粒尺寸從32納米- 123納米的微乳液顆粒球進行了測試研究，發現以下現象： （ 1 ）在與光軸成7和35夾角的位置，歸一化的散射光能量與粒徑大小關系的實驗結果跟理論分析規律完全一致。
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