方向傳感器 的英文怎麼說

中文拼音 [fāngxiàngzhuàngǎn]
方向傳感器 英文
direction sensor
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 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
  • 方向 : direction; orientation
  1. An array of wave probes can be used as a directional antenna.

    排成陣列的測波儀,可作為波浪
  2. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類法在很大程度上能夠消除由於、地物目標觀測之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。
  3. This dissertation is focus on the temperature sensitive mechanism of the brillouin - scattering signal and on the basis of domestic techniques, the methods and approaches of signal detection and processing in distributed brillouin fiber - optical sensor system. a digital multi - point average method ( digital boxcar ) has been proposed based on the characteristics and the sorts of fiber - optical sensors and by analysis the feature of the brillouin - scattering signal, and also comparisons of all sorts of weak - signal detection theory

    論文在全面了解光纖的分類和特點及分散式光纖的原理和發展歷程的基礎上,通過分析被檢測的光纖布里淵後散射信號的特點,研究和比較了微弱信號檢測的各種法,最終選定了多點數字信號平均(數字boxcar )的處理案。
  4. 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力在線監控裝置,然後詳細介紹軸力測力彈性元件的有限元分析,為了提高所研製的測力的性能,採用有限元法計算了彈性元件在軸力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:所設計的測力完全符合廠的要求及儀表性能指標。
  5. This thesis described fuel management system theory and system reliability design to set forth system fuel management general design thought. many technical details are discussed in the thesis such as : fuel quantity measurement, fuel mass character calculation, fuel density measurement, the accuracy of fuel quantity measurement, the optimum location of fuel gauge probes in the fuel tank. the author brings forward a new method which is based on the software of catia to calculate fuel mass character

    本文對燃油管理系統的工作原理和可靠性設計等問題進行研究,以明晰燃油管理系統的總體設計思路;並對數字式燃油量測量、燃油質量特性計算、燃油密度測量、提高燃油量測量精度的措施、油箱油量安裝位置優化等具體技術展開研究;提出了一種基於catia軟體的燃油質量特性計算法;論文最後探討了燃油管理系統的未來發展
  6. The result of optimization and analysis show : 1 ) across - axis sensitivity is smaller, less than 2 % of the primary axis sensitivity ; 2 ) the first mode is dominant at primary axis, which reduce intersectional coupling ; 3 ) when damp ratio is between 0. 3 and 0. 7, accelerometer has better dynamic characteristic

    分析結果表明此種結構的具有: 1 )橫靈敏度小, x 、 z的橫靈敏度均不到敏的2 ; 2 )在敏上,一階模態起主導作用,其它模態的影響較小,有利於減小交叉耦合的影響; 3 )當阻尼比毛為0 . 3 ? 0 . 7時,具有較好的動態特性。
  7. In recent years, the colossal magneto - resistance effect in rare - earth manganite perovskites of the type lni. xaxmno3 ( where ln is rear - earth irons la2 +, nd2 +, p2 + ; a is alkaline earth iron ca2 +, sr2 +, ba2 + ) has attract considerable attention in scientific studies due to its potential application. however, the poor temperature dependence of mr and the low - temperature mr effect and the ideal mr only in high field severely limit their practical utility. in this work, we prepared manganite perovskite lai - xsrxmno3 and soft - magnetic ferrite materials fe2o3 and ( ni, zn ) fe2o4 by using sol - gel method separately

    近些年來,人們發現在鈣鈦礦錳氧化物ln _ ( 1 - x ) axmno _ 3 ( ln為la , nd , pr等稀土金屬元素; a為ca , sr , ba等堿土金屬元素)中具有磁電阻( magnetoresistance )效應,由於它在磁記錄,磁面具有廣泛的應用前景,同時也統的磁記錄材料提出了挑戰,因而引起了物理學界的廣泛關注。
  8. This text divides into five chapters altogether : chapter one in the introduction, have introduced the common sensor of displacement, has pointed out the fine characteristic of hall ' s sensor, put forward the basic task ; chapter two have introduced the basic operation principle of hall ' s component ; chapter three introduce hall temperature performance, electromagnetic characteristic, zero error, frequency characteristic and these parameter commonly used compensation method and hall simple application of component ; chapter four having recommended the measurement principle of the feedback servo mechanism, systematic implementation method, the experimental result has appeared, structure the mathematics model, and has analysed the error ; chapter five have pointed out the developing direction in the future while looking forward to

    本文共分為五章:第一章緒論中,介紹了常見的位移,指出了霍爾的優良特性,提出了基本任務;第二章介紹了霍爾元件的基本工作原理;第三章介紹了霍爾元件的溫度性能、電磁特性、零位誤差、頻率特性以及這些參數常用的補償法和霍爾元件的簡單應用;第四章介紹了反饋隨動機構的測量原理,系統的實現法,給出了實驗結果,構建了數學模型,並對誤差進行了分析;第五章展望中指出了今後的發展
  9. The v was tested by yjy stress transducer with mvad card by the methods of recording the deformation in the wideness and thickness direction of the specimens during the tensile test. a stable auxetic polyolefin blend with the minimal value - 1. 4 was observed after repeated test

    採用附有mvad通道卡的yjy型片式,記錄試樣在拉伸過程中寬度和厚度的形變並根據泊松比的定義進行計算,反復實驗后獲得最小值為- 1 . 4的負泊松比烯烴共混體系。
  10. This thesis has introduced the development of the traditional wireless sensor network and current situation at first, then analyzed the principle an framework of the wireless sensor network, and the challenge to the traditional wireless sensor network technology for environmental monitoring, put forward the novel environmental monitoring system based on wireless sensor network technology, have recommended a kind of brand - new wireless node design plan of framework of wireless sensor network and node hardware to be designed and realized, then based on ieee 802. 15. 4 standard, this thesis analysed the design faces the wireless communication protocol stack used in environmental monitoring, have introduced the realize of physics layer, data chain layer, network layer, application layer. have solved the wireless sensor network data sampling, systematic energy - conservation optimize, this thesis summarized the preceding work finally, have looked forward to the development, application and commoditization in the future

    本文首先介紹了統無線網路的發展概況及現狀,然後分析了無線網路的原理與架構及其在環境監測對統無線網路技術的挑戰,接著本文提出了新穎的基於無線網路技術的環境監測系統架構設計,介紹了一種針對大氣環境監測的全新的無線網路節點的構架設計案以及節點的硬體設計和實現,然後本文以ieee802 . 15 . 4標準為基礎分析設計了面環境監測應用的無線通信網路協議棧,從工程角度介紹了物理層、數據鏈路層、網路層、應用層的設計實現,解決了無線網路節點的數據採集、節點互聯以及系統節能優化等問題,最後本文總結了前面的工作,展望了基於無線網路技術的環境監測系統在未來的發展和應用式等幾個面的發展遠景。
  11. A compensatory approach to software and hardware used by microprocessor was applied to the intelligent solid pressure transducer, which not only achieved the intelligentization of pressure sensor, but also improved the sensor ' s accuracy. this will surely accelerate the development of instrument towards the direction of multifunction, high degree of accuracy, numeralization, intelligentization, modularization and miniaturization so that measurement system will be further improved

    為此本課題研究固態壓力的製造技術,通過微處理機的軟體和硬體的補償法來提高的精度,實現壓力的智能化,促使儀表多功能、高精度、數字化、智能化、模塊化、小型輕量化發展,近而得到一個較為完善和理想的測控系統,提出了一種差壓智能化設計案。
  12. Whether the seeding absence alarm device works well or not is mainly decided by anti - dust condition of seeding absence monitoring sensor. it had been analyzed the factors affecting the anti - dust performance of optoelectronic sensor. double - way laser reverse direction sensor has been made ( anti - dust index access to 0. 95, while the index of the led only reach 0. 5 around )

    本研究從件、結構、放大電路等多面分析了影響光電抗塵性能的因素,製作了雙路激光逆直射(根據本文提出的量化案抗塵指數可達0 . 95 ,一般led光電為0 . 5左右) 。
  13. Spring excursion of the external force translation points or surfaces of the transducer in the direction of measurement relative to one another as a result of a change in load of nominal force magnitude

    當改變標準力的載荷時,相關測量外力平移點或平面的彈性變化。安裝和測量情況是一定的。
  14. 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式,並簡述了激光的工作原理、結構型式和倍頻法;其次,以空間相關的速率程為基礎,提出了ld端面泵浦nd : yag激光的設計法,給出了一定泵浦耦合式下,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激光和透鏡組耦合高功率ld泵浦nd : yag激光,對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 。
  15. 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的靈敏度大致相同,敏元件採用高度對稱的四梁結構,其中每個軸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;對敏晶元內部的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。
  16. There are a lot of ways to realize the alarm when the train approach, and sound alarm is used in this device, when the sensor receives the train - approaching signal, the controller will analyze and handle the signal of coming train by the direction of coming train, and make an alarm signal of up or down traveling train approaching

    列車接近報警的實現有很多法,本儀採用聲報警的工作式,接受到列車接近信號,控制對來車信號進行分析處理,並按來車,通過聲報警裝置發出上行或下行列車接近報警信號。
  17. For convenience of the sensor structure design, the indices atlases are plotted using physical model of the solution space theory. based on these atlases, the law of the indices following the changing of force sensing element structure parameters is summarized

    便的結構優化設計工作,利用空間模型理論繪制了力、力矩各同性度性能圖譜,總結了力各同性度以及力矩各同性度隨機構參數的變化規律。
  18. The characteristic of the sensors has been studied by the experiment. the experimental results show that there is a certain relationship between their sensitivity and the value of damping resistance & the circle number of coil

    方向傳感器中的開環和閉環兩種形式的做了系統的理論分析,根據實際需要對其進行了製作,並對其特性進行試驗研究。
  19. We also developed a pd on - line detecting system for stator windings of generators, which c onsists of a set of non - contact type directional sensors, digital system, and software

    通過大量的試驗研究,開發出了由這種組成的方向傳感器系統,給出了在100ms / s采樣率下方向傳感器判別放電脈沖的判據,並開發出判別軟體。
  20. According to the project of on - line monitoring pd in transformer, the directional sensors have been developed

    本文針對變壓局部放電在線監測系統的問題,開發了用於在線監測的方向傳感器
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