方向感指數 的英文怎麼說

中文拼音 [fāngxiànggǎnzhǐshǔ]
方向感指數 英文
directionality index
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : Ⅰ動詞1 (覺得) feel; sense 2 (懷有謝意) be grateful; be obliged; appreciate 3 (感動) move; t...
  • : 指構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • 方向感 : direction-sense
  • 方向 : direction; orientation
  • 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
  1. Through the above researches, such conclusions were drawn that in the course of fitting the semivariogram of the yearly annual mean rice water sensitivity index in yunnan, the fitting precision of ordinary kriging spherecial model is better than others ; range at the direction of 80. 5 degree is outstanding than others ; as for the precision of interpolation, ordinary kriging spherecial model is higher than others

    研究表明:雲南水稻多年平均水分敏標變異函以普通克里金球狀模型擬合最優、 80 . 5度變程最大、插值模型以普通克里金球狀模型插值精度較高。
  2. 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,介紹了常見的位移傳器,出了霍爾傳器的優良特性,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,構建了學模型,並對誤差進行了分析;第五章展望中出了今後的發展
  3. 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 )

    本研究從器件、結構、放大電路等多面分析了影響光電傳器抗塵性能的因素,製作了雙路激光逆直射傳器(根據本文提出的量化案抗塵可達0 . 95 ,一般led光電傳器為0 . 5左右) 。
  4. 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激光器的設計法,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,激光位移傳器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  5. 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

    為使二維振動傳器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電容結構,採用體硅微機械工藝製作的高深寬比叉電容式敏元件,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;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。
  6. And then, the error matrixes of location and kinemics of the end point, and the on - line error compensation method are given based on robot ' s dynamics. finally based on puma robot, three simulation examples are given respectively ; the first is about the location error and on - line location error compensation, the second is about the kinetic error and on - line kinetic error compensation, the third is about location and kinetic errors causing by robot ' s dynamics and the on - line error compensations. the simulation results show that : a ) location error of the end point based on elastic deformation of the sensor will be about millimeter ' s degree under the permitting load, b ) the on - line error compensation methods given are available

    第三章首先概括了目前機器人連桿慣性參識別的四種法,總結這些法的優、缺點;出這些法存在的問題是:或者需將機器人解體,不能在線進行參識別,或者不能給出機器人連桿獨立的慣性參值,只能獲得慣性參的組合值,而這些法的共同問題是:不能考慮機器人連桿的關節特性;本章提出了一種基於腕力傳器的機器人末端連桿慣性參在線識別法,給出了該法的理論計算和推導;研究提出了以腕力傳器輸出為前提的、基於newton - euler動力學的機器人動力學正、逆遞推公式;針對機器人負載參辨識必須在線、實時的特點提出了基於腕力傳器的負載參在線識別法,給出了負載參識別的步驟。
  7. With fast development of our country " s gas industry and air ' s increasingly serious contamination in city, using gas instead of coal and supplying energy in high efficiency and cleanliness has become necessary way in city. there are different problems in the current heating ( air conditioning ) systems. in the cogeneration system, heat and power affect each other, heating - pump heating ( aie conditioning ) system can not satisfy the peak load very well, the cost of gas fuel in boilor heating sestem is so high. the high generating efficiency of the diesel - engine two - sourse heating ( air conditioning ) systems is limited in range of 100kw - 1000kw, the heating scope is so limited. combined cycle of two sourse heating ( air conditioning ) system is most suitable selection to buesness community with big scope my paper aim at this syetem ' s primary question when it is applied in our country - - - - bringing project into execution and technology economy feasibility and off - design performence, combined with a certain demonstrating project in beijing buesness community, going along with calculating and analyzing, drawing out some efficient datas and conclusions, based on this, bringing out primary alements affecting combined cycle of two sourse heating ( air conditioning ) system " economics

    熱電聯產系統熱電相互牽連,熱泵供暖(空調)系統不容易很好地滿足尖峰負荷,鍋爐供暖系統供熱中天然氣燃料構成的成本過高,內燃機雙源供暖(空調)系統的高發電效率僅限於100kw - 1000kw負荷范圍,供熱面積有限。對于大面積的商業園區、居民小區,燃燒天然氣的燃氣-蒸汽聯合循環雙源供暖(空調)系統是最佳選擇之一。本論文針對該系統在我國應用時的主要問題- - -案的技術實施與技術經濟可行性,結合北京某一商業園區示範工程,進行了系統的計算與分析,得到了有效的據與結論,在此基礎上,提出影響聯合循環雙源供暖(空調)系統經濟性的主要因素,並進行敏性分析,得出有益的結論;最後通過各種供暖案的比較分析回答了某些人對該系統的疑慮和不解,並出系統的優化
  8. Magnetic marker buried in the road can be used as navigation signals, this signals are collected by build - in - vehicle sensor and are sent to the build - in - vehicle computer, the computer processed and sent instruction or command, automatic running of driverless vehicles can be realized by the steering wheel servo mechanism which connects with step motor

    通過埋設在道路上的磁軌釘作為車輛控制的誘導信號,由車載傳器進行信號的採集,把採集到的據信息傳送到車載計算機中,通過車載計算機的處理,發出執行令,利用步進電機連接的盤伺服機構以實現車輛在無人駕駛的情況下保持車道的正常運行。
  9. There is a strong relationship between the vegetation cover and stability of oasis ecosystem which is the key location of mankind production and existence in arid and semi - arid land. the change of vegetation cover in arid and semi - arid has very important influence on the oasis eco - system, as it is very sensitive to the environment changes to oasis direction or to desert direction that the fluctuating index of vegetation cover. the vegetation cover rate change great effect on realizing the characteristic

    植被覆蓋度對于乾旱區人類生存和生產核心場所的綠洲穩定有著直接的關系,在乾旱區覆蓋度的變化對本已脆弱的綠洲生態系統有著重要的影響,是綠洲化還是荒漠化的發展,十分敏於綠洲植被覆蓋度的,了解各類植被覆蓋度的特徵及演化規律,對認識乾旱區生態環境的現狀及發展趨勢,辨識引起環境變化的驅動力,有著重要的意義。
  10. Because the magnetic field of the earth is inclined in most places ( it points not only north but also downward in the northern hemisphere and upward in the southern ), a magnetotactic bacterium can follow a magnetic field line up or down to its desired destination

    由於地球上大多地區的磁場是傾斜的(在北半球,磁場不只是往北,還;在南半球則是) ,磁細菌可以根據磁場的上下,而到達它的目的地。
  11. Selecting two articles on this section as its research objects, the thesis makes a deep analysis of these two news texts with “ the urban marginalized ”, a sociological term, as its connecting thread. by telling regular days ’ “ rifles ” of “ the urban marginalized ”, the narration itself comes out to be the presentation of and enquiry into the meaning of common people ’ s life, and overthrows the traditional “ mainstream narration ” in content. the narrative style of “ magnetic structure ” exhibits the living surroundings of the narration body more forcefully, although it dissects the typical linear structure conventionally used in in - depth reports

    本文的研究表明,這類報道中的敘述者通過講述「城市邊緣人」日常生活中的「小事」 ,其敘述本身構成對于普通人日常生活意義的呈現與追問,在內容上顛覆了傳統的「主流敘事」 ; 「磁場式結構」的敘述式,消解了常規深度報道慣用的線性結構,但卻更有力地展示出了敘事主體的生存氛圍,有助於推進受述者閱讀這一群體充滿變的生活,引發真切受;語言的修辭性意義的播撒,透明樸素的語言中流動著厚重的人文關懷,舒緩細膩的敘述筆調增強了敘述文本的張力。
  12. And by the law of the coincidence of causes, thousands of petty causes backed one another up and coincided with that event to bring about that movement and that war : resentment at the non - observance of the continental system, and the duke of oldenburg, and the massing of troops in prussiaa measure undertaken, as napoleon supposed, with the object of securing armed peaceand the french emperors love of war, to which he had grown accustomed, in conjunction with the inclinations of his people, who were carried away by the grandiose scale of the preparations, and the expenditure on those preparations, and the necessity of recouping that expenditure. then there was the intoxicating effect of the honours paid to the french emperor in dresden, and the negotiations too of the diplomatists, who were supposed by contemporaries to be guided by a genuine desire to secure peace, though they only inflamed the

    而按各種原因偶合的法則,千百個細小原因與這次事件合在一起導致了這次進軍和戰爭:對不遵從大陸體系的責,奧爾登堡公爵,普魯士進軍就像拿破崙覺的那樣僅為通過進軍達到和平,法國皇帝對戰爭的癖好和習慣正好與他的人民的願望一致,以及他對準備工作宏大場面的迷戀,用於準備工作的開支,要求獲取抵償這些開支的利益他在德累斯頓的令人陶醉的榮譽當代人認為是誠心求和卻只傷了雙自尊心的外交談判,以及與現有事件相呼應,並同事件巧合的以千萬計的原因。
  13. Considering all the factors of the force sensor together, such as isotropy indices, generalized amplifying coefficients, physical size and so on, a series of prior data is selected to be as configuration parameter

    在綜合考慮六維力傳器的各同性標、廣義放大倍標以及傳器的整體外形尺寸等多面因素的情況下,選出了一組較優的據作為傳器的結構尺寸參
  14. The cyp51 genes cloned from both isolates of imazalil - resistant and imazalil - sensitive of p. digitatum were cloned into the pcb 1004 expression vectors, respectively. the direction and number of inserted copy were confirmed by restriction enzyme digestion

    本研究構建了狀青黴對抑霉唑敏和抗性的兩個cyp51基因的pcb1004表達載體,並對基因的插入和拷貝進行了分析,證明了兩個載體連接的基因均為正連接和單拷貝插入。
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