相對式傳感器 的英文怎麼說

中文拼音 [xiāngduìshìzhuàngǎn]
相對式傳感器 英文
relative transducer
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
  • : Ⅰ動詞1 (覺得) feel; sense 2 (懷有謝意) be grateful; be obliged; appreciate 3 (感動) move; t...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
  1. Started from the principle and performances of high speed rotating - mirror streak camera, some essential issues, such as the reason of the scanning speed vibration, the disadvantages of the former velocity sensor, are discussed. and then, a brand new speed - measuring method is proposed

    論文從高速轉鏡條紋機的原理、性能出發,討論了機掃描速度不均勻性的原因;基於過去速度速度低、精度差、可控性和人機話界面缺乏的弊病,提出了一種全新的測速方案。
  2. The correlated double sampling ( cds ) circuits structure is used to reduce the fixed pattern noise ( fpn ) of the cmos sensors, and improve the signal - noise ratio ( snr ). the 256 photodiodes arrayed 4 quadrants sensor consists 16x16 active photodiodes array. correlated double sampling processing circuits, output buffer amplifiers and digital control part

    cmos製造工藝中mos件固定模噪聲( fixedpatternnoise , fpn )較大的不足,研究中採用了關二次采樣( correlateddoublesampling , cds )電路降低固定模噪聲,從而提高了的信噪比( signalnoiseratio , snr ) 。
  3. 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激光的閾值、輸出功率和斜效率的表達,並簡述了激光的工作原理、結構型和倍頻方法;其次,以空間關的速率方程為基礎,提出了ld端面泵浦nd : yag激光的設計方法,給出了一定泵浦耦合方下,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激光和透鏡組耦合高功率ld泵浦nd : yag激光激光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,觀察到了激光以單縱模運轉;最後,根據泵浦光焦斑端面位置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,激光位移的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  4. 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

    為使二維振動在兩主軸方向的靈敏度大致同,敏元件採用高度稱的四梁結構,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;設計的敏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;在確定敏結構的基礎上,研究了敏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;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。
  5. In this paper, the study for the two - phase hybrid stepper motor as a position sensor is investigated

    混合步進電機固有的特點,其作為連續角位移測量進行了深入的研究。
  6. It establishes the foundation for the continuous rotor position detection. in chapter 3, according to the model, two - phase hybrid stepper motor as a position sensor is designed. it is implemented in an environment composed of matlab, simulink and real - time workshop

    第三章,根據二混合步進電機的發電模型,利用matlab simulink模擬軟體及其信號採集硬體系統,步進電機實浙江工業大學碩士學位論文現連續角位移測量進行了設計。
  7. In theoretical analysis, finite element method is firstly used to solve the mechanical - electric coupling problems in a flexible plate with piezoelectric elements and to obtain structural vibration modal shapes. focusing on collocated type of piezoelectric sensors / actuators, the maximum determinant of fisher information matrix criteria is chosen as the optimization function and then simplified to determine an optimal principle for the best location of piezoelectric elements

    本文研究柔性板振動控制中壓電元件的位置優化設計問題,針壓電和驅動的同位布置結構型,將壓電元件的有限元分析方法與d優化設計準則結合,直接利用結構的模態振型確定壓電元件在柔性板上的最優位置。
  8. To set up reasonable designing and manufacturing techniques and accurate calibration system and to speed up forming the native pvdf pressure sensors is the direction of this project. first, based on the piezoelectric theorem, the theoretic support of pvdf pressure sensors is deduced. according to purposes of practical projects, special purpose sensor configurations are designed and the corresponding calibration system based on shpb ( split hopkinson pressure bar ) technique is built in succession

    本文從壓電材料的一般壓電控制方程開始,導出了pvdf壓電薄膜測壓技術的關論據;根據測試目的以及被測結構的特點,設計了多種夾心構造形;摸索出了一套基於國產pvdf壓電薄膜製作壓力計的加工、安裝工藝;建立了一套基於系統集成技術的多點pvdf壓力測試的數據採集、處理系統;建立了一套基於shpb技術、適用於實際工程應力范圍的pvdf壓力計的動態標定方法,並兩種厚度的國產pvdf壓電薄膜進行了標定。
  9. The system has self - check function to avoid mis - alarm or failing alarm. the sensors and electric motors have responding mechanisms to realize this function. the safety and running are guaranteed in the system

    同時,為避免虛警和漏警,系統採取自檢功能,其中及電機等都採用應的自檢方,確保整個系統能安全有序地工作。
  10. 7 stojmenovi c i. geocasting with guaranteed delivery in sensor networks. ieee wireless communications, december 2004, 11 : 29 - 37. 8 estrin d, govindan r, heidemann j, kumar s. next century challenges : scalable coordination in sensor networks

    出於優化電池使用的需要,在floodnet中每個節點的能量使用模與本地的具體情況即該點電池的剩餘電量和送數據到下一節點所需要的電量和水災預測模型的要求即每個所在點的數據重要性適應。
  11. Third, the theory and formulations about the stress redistribution due to creep and shrinkage of composite section and the secondary internal forces which are caused in hyper static structure, the self - stressed force and the secondary internal forces due to expansion, are studied, program is compiled by use of formulations studied above and it is used to analyze sensors that are installed during the course of work

    再次,探討了收縮徐變作用下組合截面應力重分佈以及在超靜定結構產生次內力和膨脹變形引起自內力和次內力計算理論及公,編制了應程序,加固過程中埋設的進行了分析計算。
  12. Under the conditions that the clutter power of lds is not same, a lot of emulating results are given, and part of available conclusions are find based on these results

    深入分析了局部雜波功率水平不同情況下的處理方法,給出了部分有益的結論。第五章針局部觀測關情況下的分散cfar檢測理論進行研究。
  13. ( 3 ) based on ect sensor and pattern recognition theory, a new method was proposed for voidage measurement of gas - liquid two - phase flow. one of three template databases was selected by flow regime classification. the voidage was obtained by template matching with euclid distance measure

    ( 3 )基於ect,結合模識別理論,提出了一種新型的氣液兩流空隙率測量方法,利用歐氏距離測度一組測量值進行模板匹配,從而得到該組測量值所應的空隙率值。
  14. Then makes a detailed study on the water - level sensor : analysis its working principles, measurement conditions and accuracy, at present, water - level sensor has various sorts and different prices, this paper makes a detailed research about the principle, characteristic and application of the cyg19 : solid - state pressure transducer. and then the text make a research about the system interference, including interference source, types, propagation path and anti - interference measure. at last, having experiments validates its practication

    目前,由於水位的種類繁多,價格差也較大,本文就所選用的固態壓力cyg19系列小差壓的原理、特點及應用進行了詳細的研究;再次,自動量水儀表系統的干擾部分,包括干擾的來源、干擾的類型、干擾的遞方以及抗干擾措施進行了探討;最後,實驗驗證自動量水儀表的可適用性。
  15. This system tests 19 parameters such as the pressure of fore and after main fluid pumps and every sub fluid pumps ", force of pedal, turn angle of steering wheel, speed of every wheels and car body, and calculates 9 correlation analyses according to the gb112676 - 1999 " automobile system structure, capability and test methods " and gb7258 - 1997 " technical regulation of automobile safety ", also it can generate data report automatically

    該系統汽車制動過程中前後液壓總泵出口液壓、各制動分泵進口液壓、腳踏板力、方向盤轉角、各車輪轉速、車體速度等共計19個物理量進行測試。系統硬體由便攜計算機、數據採集以及組成。硬體設計中採用了模塊化設計思想,使得測試系統體積小、重量輕、抗振動、安裝拆卸方便、易於維護、可以進行隨車實測試驗。
  16. Through study of correlative contents of advanced computer cybernetics, artificial intelligence, the domain knowledge and special crop growth mechanism in greenhouse, we present the system of multi - sensor data fusion ( msdf ) based on radial basis function network ( rbf ) to implement on line detection for nutrient - liquid, which may realize multiple components detection on - line, for example no3 -, cl -, ca2 +, ph, ec, nh4 +, k + and so on. the soft sensor ' s mechanism is introduced to overcome the limitations of sensor ' s manufacturing process. to improve the believe - degree of soft sensor ' s result, we analyze soft sensor ' s result by uncertain inferential capacity and combination rule of evidential theory

    本論文通過計算機技術、控制理論、人工智慧技術和設施農業領域知識等關理論的研究,結合特定溫室蔬菜生長的研究與機理分析,提出了一種基於rbf神經網路的營養液多數據融合( msdf )系統,實現營養液組分: no _ 3 ~ - 、 cl ~ - 、 ca ~ ( 2 + ) 、 ph 、 ec 、 nh _ 4 ~ +和k ~ +的在線檢測;于由於目前製造工藝的限制而不能在線檢測的離子成分如磷酸根和硫酸根,提出了一種基於徑向基函數網路的軟測量機制,可以有效地實現營養液中磷酸根和硫酸根成分的實時檢測;為了提高軟測量結果的可信度,利用d - s證據理論的不確定推理能力和合成公,結合領域知識軟測量結果進行可信度分析。
  17. On the base of ananlysing and studying the run mode of bldcm, we introduce the detecting back electromotiveforce, the method of phase judging and compensation in detail. in order to improve the speeding performance we adopt the digital closed _ loop speed control strategy

    無位置無刷直流電動機運行方進行全面分析研究的基礎上,詳細的介紹了反電動勢過零檢測、位判斷及位補償的原理及實現方法,並且為了在較寬范圍內提高bldcm的調速性能,採用了數字轉速閉環控制。
  18. This thesis study one of important factor in per unit area yield travel speed measure device and his sensor choice and relevant error analysis of form especially

    本論文重點是單產的重要因素之一的行駛速度測量裝置及其的選擇和關誤差分析進行了研究。
  19. Finally, some important conclusions were drawn, that is, using distributed pzt transducers, ultrasonic guided waves are generated and received in a pipe. usually, there are many different modes of guided wave propagating in the pipe and these modes are generally dispersive, the specific exciting signal of a harming windowed toneburst with a central frequency of 70khz for decreasing the effect of dispersion was selected. and guided wave are generated using 16 distributed pzt transducers in a circumferential direction for suppressing flexural modes

    首先,當前本課題研究領域的進展作出綜述,並簡要介紹與超聲導波技術關的理論基礎;其次,建立了一套有效的實驗裝置,在此實驗裝置基礎上,重點研究了採用分散pzt在管中激勵和接收特定模態超聲導波的方法:根據在管狀波導中播的超聲波具有頻散現象及多模態特徵,選擇具有單一頻率的特定信號激勵超聲導波,使其頻散最小;同時採用分散抑制不同模態的波型。
  20. Reasons of imaging excursion of two rotating mirror high speed cameras used simultaneously are discussed, and the influence to images are analysed according to the theories and experiments, such as the signal drift of the magnetoelectric sensor and improperly operating etc

    摘要討論了兩臺聯動轉鏡高速機像漂移的各種原因,從理論和實驗機像漂移的影響因素進行了分析,比如磁電、材料、製作工藝、裝配精度及操作不當等。
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