field orientation 中文意思是什麼

field orientation 解釋
感受野定向
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  • orientation : n 1 向東，（禮拜時）東向；置於東端。2 （房屋等）方向；找出東方；定位，定向；取向，排列方向。3 （...
  1. Moreover, aiming at the location of inclined license plate, we have proposed the algorithm based on gray changing characteristic and orientation field. in this section, we discussed in detail the application of mathematical morphology operator in rough locating objective region and introduced the theory and realization method of orientation field. then we used it to detect inclined angel of objective region, finally we can precisely locate and emendate the inclined license plate based on detection result, and so we provided the favorable foundation for segmenting character

    此外針對傾斜車牌區域的定位分割問題，提出了基於灰度變化特性和方向場計算的定位演算法，其中詳細討論了數學形態學運算元在目標區域粗定位中的應用，重點介紹了方向場計算理論和實現方法，並將其應用於目標區域傾斜角度的檢測，根據檢測得到的結果進行了傾斜車牌區域的準確定位和校正，為后續的字元分割打下良好的基礎。
  2. Field specifies both the escapement and orientation

    欄位既指定行距，又指定方向。
  3. The original orientation ( i. e. the mol with respect to the geographical north ) of the core in the formation can be obtained by palaeomagnetic orientation tests. the two results are combined to define the direction of the maximum principle stress of the well or field

    該方法根據差應變分析（ dsa ）實驗確定地應力相對于巖心標志線的方向，利用古地磁方法確定巖心標志線相對于現代地理北極的方位，兩者結合確定地應力方向。
  4. Since its establishment in 1958, tachii electric wire has concentrated on developing products to match customer needs based on a thoroughgoing market orientation centered on the audio video and information communication field

    1958年成立以來，以音像顯像及信息通信領域為中心，面向市場，開發適合顧客需求的產品。
  5. Rooted in zhoucheng village, dali municipality, yunnan province and the zhoucheng nine - year school, based on minority education ' s duality theory and multicultural educational theory and the influences on curriculum by culture in the sociological field of vision, and putting qualitative and quantitative research into use, the research analyzes the practice circumstances and existent problems of the curriculum of the basic education in the community environment of zhoucheng village, makes clear the value orientation towards the basic education curriculum in this community, and conceives a kind of curriculum which fits in with the needs of country in the bai nationality areas and absorbs the community resources

    研究以雲南省大理市喜洲鎮周城村及周城九年制學校為立足點，以少數民族教育的雙重性理論、多元文化教育理論、社會學視野中文化對課程的影響等為研究的理論背景，運用了質的和量的研究方法，分析基礎教育課程在周城村社區環境中的實踐情況和存在的問題，澄清該社區基礎教育課程的主要價值取向，並思考一種符合白族地區農村需要和吸收社區資源的課程。
  6. Conduct necessary safety orientation for all field management and workers

    對項目現場管理和施工人員進行必要的安全培訓。
  7. The relationship between cognitive profile, field - independence and spatial orientation in flight

    場獨立性與飛行空間定向關系的研究
  8. Four kinds of c / c composites with different preparation techniques were graphitized at 2400 - 2880. the relations between magneto - resistance and orientation ( the angle between surface of samples and magnetic field ), measure temperature, the intensity of magnetic field ( b ) were studied for each sample. the micro - structure and x - ray diffraction pattem were investigated too

    本論文在對制備工藝不同的四種碳/碳復合材料樣品進行2400 2880的石墨化處理后，應用ppms （ physicalpropertymeasurementsystem ）研究了測試位向（試樣某特定面和磁場方向夾角） 、測量溫度以及外加磁強對材料磁電阻特性的影響，同時研究了各試樣的微觀結構和x射線衍射譜圖。
  9. Through experiments analysis, it is found that the integrated lts is the most versatile laser tracker available for dimensioning, tool building, alignment, and reverse engineering applications with the characteristic of high tracking precision and excellent dynamic capability. this paper also provided an effective new method and technique in the application of large workpieces and industry field measurement and orientation by using dual - frequency laser interferometer

    實驗結果表西安理工大學碩士學位論文明這套跟蹤測量系統能夠適用於高精度、響應速度快和動態性能要求高的工業現場安裝與測量，具有廣泛的應用前景，同時也為雙頻激光干涉儀在大工件和現場測量、定位的應用提供了一種有效的方法與技術，並為三維空間的跟蹤測量方法的研究奠定基礎。
  10. Classification approach of half - region fingerprint based on orientation field

    基於方向場的半區域指紋分類方法
  11. Gps is a planet wireless conductance system which is global and all - weather, gps can offer high precision time orientation information to infinite user, clock precision reachs 10 ? 6 magnitude 。 not only changes traditional time method of quartz crystal clock, but also replaces wireless shortwave and even more lowfrequency signal and tv signal whose overlay range is limited and low precision, offers advantage to geology field task, achieve automatization and high precision of seismic flow observation

    利用gps授時信號全方位、全天候、連續性、實時性和高精度的特點，以gps信號為基準來校準本地時鐘（晶體振蕩時鐘或原子鐘） ，將gps接收機輸出信號的長期穩定度和恆溫晶振的短期穩定度相結合，應用大規模可編程邏輯器件，設計和實現了由pc104控制的實時在線授時系統。
  12. The study of achievement goals has been one of the heated researches in the field of applied psychology at home and abroad. the purpose of present research is to explore the relations between achievement goals and psychological health of vocational school stiidents, using the achievement goals questionnare revised by xu fang zhong, zhu zu xiang and lin zhi according to button ' s questionnare and the symptom check list 90 ( scl - 90 ). the author tested 420 vocational school students and got the findings as following : 1. in general, vocational school students " learning goals orientation are remarkably higher than performance goals orientation

    成就目標的研究是國內外應用心理學研究的熱點問題之一。本研究採用徐方忠、朱祖祥、林芝根據button問卷所修訂而成的成就目標問卷和臨床癥狀自評量表（ scl - 90 ）對420名職校生進行測量，研究職校生成就目標與心理健康狀況的關系，所得數據經統計檢驗，得到以下結論： 1職校生總體上學習目標傾向顯著高於成績目標傾向。
  13. In the light of this strategy, the schools should develop various parts of courses in line with their own educating theory and realistic situation in order to satisfying the students " demand for respective developing. while it lengthways pursue deeply the philosophic natures by tracing to the source of the theory of the school - based curriculum development, this paper also selects several developed countries and area in education in the world where their school - based curriculum development has been got overview, analysis, and comparison to be performed as the landscaped orientation blueprints. at the same time, the chinese current practice in this field has been thoughtfully considered, based on which this paper proposes some valuable perspectives and propositions

    本文通過對校本課程開發的思想理論的追本溯源，以美國的約瑟夫?施瓦布（ jesephschwab ） 「實踐的課程模式」和英國的勞倫斯?斯騰豪斯（ lawrencestenhouse ） 「過程模式」的理論建構和實踐探索的分析，在縱向深究其哲學本真的同時，選取世界上教育較為發達的若干國家和地區，綜述、探討、比較它們的校本課程開發，得出校本課程開發的主要國際經驗：即開發的主體是教師、開發的兩種形態，開發的步驟等。
  14. The point is made that the descriptive theory can explain the orientation of all kinds of translations, broaden the scope of the field of study and enrich the practice of translation in china

    文章認為描寫學派可以為各種各樣的翻譯定位、拓寬翻譯研究的領域並豐富翻譯實踐的手段。
  15. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機運行特性及其最佳風能利用原理，通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性，並給出了模擬系統的硬體結構；然後為了實現交流勵磁發電機有功、無功功率獨立調節機理，分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略；針對雙饋發電機轉子能量雙向流動的要求，提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器；最後為實現從理論到實踐的全面研究，研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統，進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗；所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。
  16. The general situation and progress of magnetic dipole theoryresearch during recent twenty years in china were introduced briefly including magnetic dipole ; linear and strip magnetic dipoles of finite lengths ; magnetic force on a magnetic particle ; the effect of magnetizing field orientation on the revelation of defect by magnetic particles ; longitudinal magnetization of rod, tube and cuboid steel ; the relationship between the slot depth in a workpiece and magnetic leakage field ; the cause of stray magnetic pattern along base apex edges of a workpiece magnetized circumferentially ; the analytic expression for the magnetic leakage fields inside and outside the slot on the cylindrical surface of a disc ; and the effect of a needle - like magnetic medium on the magnetic force between two point magnetic charges

    簡述20年來中國無損檢測中磁偶板子理論研究的概況和進展，主要介紹磁偶極子，有限長磁偶極線和極帶，磁粉顆粒的受力，磁化場方向對磁粉顯現缺陷的影響，棒料、管材和方鋼的縱向磁化，工件表面溝槽深度對其引起漏磁場的影響，周向磁化時工件底棱上的雜亂顯示成因，圓盤邊緣柱面上溝槽內外漏磁場的解析表達式和針狀磁介質對兩個點磁荷間磁力的影響等。
  17. Abstract : the general situation and progress of magnetic dipole theoryresearch during recent twenty years in china were introduced briefly including magnetic dipole ; linear and strip magnetic dipoles of finite lengths ; magnetic force on a magnetic particle ; the effect of magnetizing field orientation on the revelation of defect by magnetic particles ; longitudinal magnetization of rod, tube and cuboid steel ; the relationship between the slot depth in a workpiece and magnetic leakage field ; the cause of stray magnetic pattern along base apex edges of a workpiece magnetized circumferentially ; the analytic expression for the magnetic leakage fields inside and outside the slot on the cylindrical surface of a disc ; and the effect of a needle - like magnetic medium on the magnetic force between two point magnetic charges

    文摘:簡述20年來中國無損檢測中磁偶板子理論研究的概況和進展，主要介紹磁偶極子，有限長磁偶極線和極帶，磁粉顆粒的受力，磁化場方向對磁粉顯現缺陷的影響，棒料、管材和方鋼的縱向磁化，工件表面溝槽深度對其引起漏磁場的影響，周向磁化時工件底棱上的雜亂顯示成因，圓盤邊緣柱面上溝槽內外漏磁場的解析表達式和針狀磁介質對兩個點磁荷間磁力的影響等。
  18. In the paper, the principle and actualizing means of spatial vector control have been systemically discussed and the control software has also been designed. the magnitude of both the rotor flux and the current in torque component have been estimated by using a flux observer, which is developed based on field orientation control principle. the results show that the observer has a good feature due to its speed being calculated without speed sensor or additional hardware

    本文對矢量控制的原理、控制方法以及控制實施策略進行了較為系統的分析與研究，利用速度間接觀測理論，建立了異步電機的磁通觀測器，電機的定子磁通和電流的轉矩分量可以通過磁通觀測器估算出來，從而得到電機的轉速，並由此建立了異步電機無速度傳感器矢量控制的理論數學模型和相應的控制演算法，在此基礎之上，利用工程中常用的電機專用dsp晶元tms320lf2407作為處理器，對異步電機進行變頻調速控制。
  19. In this scheme, the torque of motor is calculated and controlled in the staler reference frame. by using stator field orientation, the optimum switching mode is achieved to control the inverter

    它直接在定子坐標系下計算和控制交流電動機的轉矩，採用定子磁場定向控制，直接對逆變器的開關狀態進行最佳控制。
  20. For an ev drive system, the variation of rotor time constant will bring on variation of torque and exorbitant line voltage even the field orientation may be destroyed. the varied torque will affect ev dynamic performance, and the higher voltage will limit the output power due to the bound of batteries in ev

    對于電動汽車驅動系統來說，轉子時間常數的波動會導致輸出轉矩和電機電壓的波動，並且嚴重時會導致系統出現振蕩，轉矩的波動會影響汽車的動態性能，電機電壓的波動則會由於電池電壓的限制而影響電機的輸出功率，這些都是電動汽車的驅動系統應該避免的問題。
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