four-phase 中文意思是什麼

four-phase 解釋
四相的
  • four : n 1 四人小組；（套在車上的）四匹馬。2 四的記號；（骰子的）四點；（鐘點的）四時；四歲。3 〈pl 〉 ...
  • phase : n 1 形勢，局面，狀態；階級。2 方面，側面。3 【天文學】（月等的）變相，盈虧；【物、天】相，周相，...
  1. This article discussed ar modeling method, capon method, music method and mn method four kinds of high resolution algorithms principle and has separately made the computer simulation in the ideal situation to the above four algorithms. through the comparison, the beam width of high resolution algorithm is much narrower than conventional beamforming method. then unifies the actual utilization, discussed the influence of time delay unbalance, time domain sampling, plane wave supposition and array element with scope and phase not identically to the beamforming and made the computer simulation

    本文首先討論了ar模型法、 capon法、 music法和mn法四種高解析度演算法的原理，在理想的情況下分別對上述四種演算法作了計算機模擬，通過比較，高解析度演算法的束寬比常規波束形成法窄得多;然後結合實際運用時的情況，重點探討了延時失配、時域抽樣、平面波假設和基陣的幅相不一致對波束形成的影響並做了計算機模擬。
  2. An experimental research on the four - phase mode in shot put teaching

    教學在推鉛球教學中的實驗研究
  3. Study of transposition and parameter of four - phase overhead transmission line

    四相架空輸電線路的換位與參數研究
  4. Detailed contrastive simulation tests of four - phase and self - optimalizing abs control have been made and applying effects of self - optimalizing control are discussed, which establish stable principle foundation for self - optimalizing control applying to realistic abs controller. from the simulation results we can find that : automobiles which install self - optimalizing abs apparatus lock on the any road surface only when the vehicle body velocity and wheel velocity arrive at zero approximately, which is better for improving driving stability under braking. it shows anti - lock ability of self - optimalizing ; slip ratio approximates and surround the desired slip, which shows that this abs system uses fully road surface performance and retains large adhesion and braking performance is good ; braking force regulates with varies of road condition, which realizes road self - identification

    通過模擬試驗可以看出：在各種路面上，汽車在安裝了自尋優防抱制動裝置后，在車速、輪速接近為0時才抱死，這對提高汽車制動時的操縱穩定性特別有利，顯示了自尋優避免車輪抱死的能力：滑移率的值基本上一直接近並且圍繞著與路面附著系數相對應的滑移率上下變化，說明了該系統充分利用了路面性能，基本上保持了較大的附著力制動，制動性能較好；制動力隨著路面條件的變化而相應做出調整，實現了路面自動識別的功能。
  5. My paper explored the process and methodology system of pollution - free vegetable industry plan based on county level and put forward the process and method which is based on four phase, including stratagem plan, collectivity plan, subarea plan and project plan. the methodology system include background analysis, location analysis, swot analysis, the natural resource status quo analysis of vegetable growing district, the vegetable production, process and circulation analysis, the pollution survey and evaluation of pollution - free vegetable production and the peasant " s environment consciousness survey and analysis etc. a case in quzhou county, hebei province was studied based on the system above

    本文以縣域為單位，對無公害蔬菜產業規劃的步驟和方法體系進行了研究，提出了基於四個層面（發展戰略規劃、總體規劃、分區規劃和項目規劃）的縣級無公害蔬菜產業規劃的步驟和方法體系，其中方法體系的主要內容包括背景分析、區位分析、 swot分析、蔬菜種植區的自然資源現狀分析、蔬菜生產、加工和流通現狀分析、無公害蔬菜生產的污染源調查和評價、農民的環境意識的調查分析等。
  6. The three - phase to four - phase transformer with a four - phase four - leg structure solves the problem. the windings on each leg of this transformer are not more than three

    這種變壓器每相鐵心柱上的繞組不超過三個，是不等相變換的最簡單形式。
  7. Therefore, a four - phase charge pump circuit is invented to surmount this problem, but the current loading capability of this circuit is unfavorable and the driving clocks must have four - phase non - overlapped " signals

    針對這個問題，四相位的電荷泵電路由此產生，但是這個電路的電流負載能力不太好並且它的驅動時鐘信號必須是四相位且不重疊。
  8. Part one gives the conception of urban agglomeration and reviews two important theory on urban agglomeration such as central place theory and fractal theory and two different " four phase theory " in urban agglomeration ' s evolution that one is put forward by friedman and the other by chinese scholar

    第一部分：提出了城市群的概念，介紹了與城市體系形成有關的兩個理論中心地理論和分形理論。國內外對于城市群的形成發展階段的不同觀點也作了介紹，主要是英國的弗里德曼（ friedmann ）的四段法和國內學者的四段法。
  9. The advantage and disadvantage have been pointed out. four - phase control method has been introduced particularly and three basic principle expressions are proved

    其中重點介紹了四相控製法，並且詳細推導證明了三個基本公式。
  10. With summarizing and describing systematically the fundamental principles and research developments of electromagnetic field in the motor, finite element analyses ( fea ) of electromagnetic field of engineering, the switched reluctance motor ( srm ), and iron losses of motor cores, taking the common four - phase, 8 / 6 - pole srm as the object of study, this paper analyses, calculates, and then simulates the electromagnetic field in the srm using 2d finite element method, and obtains the - i - characteristics as the magnetization curve of the srm with the data derived from the results of fea

    本文在系統地總結和描述電機內的電磁場、工程電磁場有限元分析、開關磁阻電機（簡稱sr電機）以及電機鐵心損耗基本理論和研究進展動態的基礎上，以常見的四相8 6極電機作為分析對象，進行sr電機磁場二維有限元分析與計算，對電機內磁場進行了模擬，並通過有限元計算所得有關數據獲得- i -形式的sr電機磁化曲線。
  11. In this chapter we introduce you to basic project management concepts as well as to a tried - and - true, four - phase process for managing projects

    本章除了介紹用於項目管理的屢試不爽的四個步驟之外，還包括項目管理的基本概念。
  12. Door of heaven " ceiling lamp features a four - phase switch soft night light, warm - toned double night lamp, night lamp plus daylight lamp, and brilliant daylight lamp, providing a variety of light intensities appropriate for different circumstances

    造型非常獨特，四段式的開關設計包括：朦朧的小夜燈溫馨的雙層小夜燈小夜燈日光燈明亮的日光燈，可供您依不同的需要選擇適合的光線亮度。
  13. Pursuing the four - phase transformation process we have described delivers value through

    依照剛才敘述的四階段轉化進程，通過以下內容實現：
  14. The key equipment of four - phase power transmission systems is a three - phase to four - phase transformer and the inverse transformer

    四相輸電系統應用的關鍵設備是三相變四相及其逆變電力變壓器。
  15. When analyzing the experimental data, the unsaturated loess is regarded as macroscopical and its four - phase system is ignored

    不考慮非飽和黃土的四相組成而把它看成一個整體，對試驗數據資料進行分析。
  16. This thesis covers : first, description principle about locomotive, such as t four - phase rectifier and control theory, machine flux and torque models, the manner of controlling machine and so on

    如四象限變流器的原理和控制理論、電機磁鏈和轉矩模型、控制牽引電機的方案? ?直接轉矩控制理論等。
  17. Principally, when the winding - connection scheme is adopted to add a set of auxiliary windings on the two - phase side of a balance transformer, we can get a three - phase to four - phase transformer

    原則上，在平衡變壓器的兩相側採用增加一套副繞組的雙重接線方案，便可得到三相變四相電力變壓器。
  18. They counted four phase s in a cycle : new moon, half moon, full moon and half moon

    他們把四個階段算做一個周期：新月、半月、滿月和半月。
  19. It is the simplest form among transformers in this kind. for evaluating the relationship between the error of winding impedance and the performance of the three - phase to four - phase power transformer, this paper uses “ matlab ” as a digital simulation platform to exam the mathematic model and analyze the balance condition as well as

    因此，本文對不同排列方式，不同回數四相輸電線路的電場、磁場、無線電干擾和可聞噪聲進行了詳細的分析和計算，並把它們與三相輸電線路相應的電磁場參數進行了全面比較。
  20. Up to four phase 88 recording systems can be synchronized and cascaded within a single computer

    在一臺電腦中同時串連四部phase 88錄音系統且能同步工作。
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