矢根 的英文怎麼說

中文拼音 [shǐgēn]
矢根 英文
yane
  • : Ⅰ名詞1. (箭) arrow 2. (尿) excrement; dung; feces 3. (姓氏) a surname Ⅱ動詞(發誓) vow; swear
  • : Ⅰ名詞1 (植物的營養器官) root (of a plant) 2 (比喻子孫後代) descendants; posterity 3 [數學] ...
  1. Three commixed still image coding algorithms are proposed based on them and such ideas as : zerotree coding, wmse ( which is based on mankind visual characteristics ), classified vector quantization with different vector structures and classification methods. the chapter gives the principium analysis, realization schemes and simulation results of the proposed algorithms

    在此基礎上,結合零樹編碼思想,以及基於人眼視覺特性和分類量量化的思想,據不同的量構成和分類方法提出了三種混合型靜止圖像編碼方法,給出了演算法原理的分析、實現方案和模擬結果,最後對本章方法作出分析總結。
  2. Analyse the tooth geometry of klingelnberg cyclo - palloid spiral bevel gear., according to the relative position and kinematic relation of the cutter heads, virtual crown gear and the processed wheel blank, established the system of coordinates of the gear cutting, dedcuced the tooth face equation of the virtual crown gear, according to relations of the gear cutting and space theory of engagement, deduced the tooth face equation of klingelnberg cyclo - palloid spiral bevel gear, and drawing the three - dimensional graphs of the virutal crown gear and klingelnberg cyclo - palloid spiral bevel gear according to the design and setting parameters

    對克林貝格擺線齒錐齒輪進行齒面幾何分析。據銑齒加工中刀盤、搖臺和輪坯的相對位置和相對運動關系建立了切齒嚙合坐標系,由量的旋轉推導了產形輪齒面方程;據空間嚙合原理和切齒嚙合關系推導了被加工齒輪的齒面方程;由設計參數和銑齒調整參數計算得到齒面離散數據,繪制了產形輪和擺線齒錐齒輪的三維齒形。
  3. Investigators have found that the knapweed ' s roots exude a toxin that builds up in the soil

    研究者發現,這種車菊部分泌的一種毒素會滲進土壤里,使得其他植物的細胞大量死亡,並抑制萌芽與生長。
  4. A coding scheme is proposed to eliminate the redundancy of output vectors in pyramidal lattice vector quantization ( plvq ). a fast algorithm of labeling lattice points and a fast algorithm of finding lattice points are presented. and the transmission priority in case of asynchronous transfer mode is suggested

    提出了一種與圖象本身無關的熵編碼方法去消除金字塔格型量量化( plvq )的輸出冗餘:同時也提出了由格點輸出索引和由索引輸出格點的快速演算法;而且還據異步傳輸模式( atm )的特點,選擇了傳輸的優先級。
  5. Methods : fifty paired embalmed cadaveric humeri ( twenty - five pairs : fourteen from male donors and eleven from female donors ) were scanned in medial - lateral ( ml ) and anterior - posterior ( ap ) position according to the humeral retroversion by ct. images of the humeri in the transverse planes at the lowest border of neck ( lbn ), 20mm and 40mm distal of lbn ( lbn - 20 、 lbn - 40 ), isthmus, head - neck anterior - posterior ( hn - ap ) were obtained. sixty - one extracortical and intracortical parameters were measured exactly by image analytic computer software that included offset, head position, head - shaft angle, head to tuberosity height ( ht ), head thickness, curvature radius, articular surface arc ( sa ), neck diameter, isthmus position, proximal and distal border of isthmus, maximum coronal and sagittal diameter of medullary canal and thickness of cortical bone in four planes, including lbn, lbn - 20, lbn - 40 and isthmus

    方法: 50成對防腐肱骨(男14對,女11對)按肱骨頭扭轉角置於冠狀位和狀位,行肱骨全長,頭頸狀面,解剖頸下緣及其下20mm 、 40mm ,髓腔狹窄部四平面ct掃描,由ct軟體測量冠、狀位髓腔內外參數共61項,包括頭心?干軸距,頭位置,頭干角,頭?結節高度差,頭厚度,頭半徑,關節面張角,解剖頸直徑,髓腔狹窄部位置,解剖頸下緣及其下20mm 、 40mm和狹窄部四個平面髓腔的最大冠、狀徑,皮質骨厚度等。
  6. According to the moving characteristics of tracklayer, when the vehicle is on ramp and the ground ' s vertical pressure is linear, the calculating formulas of relationship between the deviation of the instantaneous steering center, the position of vehicle ' s gravity, steering radius, moving velocity, moving acceleration, and vehicle ' s orientation, were obtained by the theory and method of vector analysis in mathematics and mechanics

    摘要據履帶式車輛的運動特點,運用數力學中量分析理論和方法,推導了接地比壓為線性分佈時履帶式車輛在斜坡上轉向時,瞬時轉向中心偏移量與車輛重心位置、轉向半徑、行進速度、加速度、車輛方位相互關系的計算公式。
  7. Thereby, a single candidate at the final - level search is enough to provide the desired performance. as a result, the algorithm performs only one local search at the finest level, and its overall computational cost and data bandwidth burden decrease. according to different motion area, the search methods dynamically are also introduced

    據這個初始運動量對當前塊的運動類型進行分類,針對不同塊的不同運動內容,確定每一塊運動量搜索的起點、搜索的范圍和搜索策略,小運動塊的搜索范圍小,大運動塊的搜索范圍大,這樣既可節省計算量,也可以減小搜索范圍,而且不影響搜索精度,因而搜索效率高。
  8. The essay deeply analyzes the elementary theory of the developing teacher - assess system and points out its intrinsic essence and basic principle, goes into the base in theory which consists of 5 respects and finally makes the comparison between the developing teacher assess and present - day teacher assess. the developing teacher assess system, with the purpose of the promotion, is a kind of formative evaluation which is based on the aim, stresses the process and the timely feedback. it does not consider the result of the assess as the base of prize or reproach. its direction is to face the future, its aim is to promote the all - round development of all staffs, its function is centered on the lead - in, inspiration, development, and its means is the formative teacher evaluation. it pays special attention to the desire of teachers and esteem the requirement of teachers as its motive and power of the assessment. however, the present teacher assess is the closed - ending one whose feature is mainly to stress the daily performance before the evaluation and accordingly judge whether they possess the conditions of being rewarded or reproached

    其方向? ?面對未來,目的? ?促進全體教師的發展,功能? ?導向、激勵、發展為主,方式? ?形成性的教師評價制度,在啟動方式上注重教師自己的成就期望,把教師的需要當作評價的動機和力量。而現行的教師評價是終結性評價,其特點主要是面向過去,特別注重教師在評價前的工作表現,並據教師的工作表現,判斷他們是否已經具備獎勵或處罰的條件。為了全面了解現行教師評價制度存在的問題,做到有的放,本研究對濟南市156名高中教師進行了調查,通過分析反映出以下問題: 1 、大多數教師對教師評價認識不清,引不起全體教師的共鳴,容易走過場。
  9. Win600 automobile lift has the same control system as freight lift, i. e. micromputer control or plc control, and the same tracyion system as freight lift, i. e. vvvf vector control, to make it safe, reliable, stable, comfortable, energy - saving and of high leveling precision as freight lift. the car is equipped with four or six symmetric guide rails, to solve the problem of wobbling caused by the unbalance load of car and reduce the noise of operation, the door is equipped with reliabe optical screen protction or infrared electronic protecyion, to ensure the safe entry and exit of automobile. the double - controller design inside the car gives convenience to the operation of automobile driver

    Win600系列汽車電梯的控制系統與載貨電梯一樣採用微機或plc控制,拖動系統樣採用vvvf量控制,因此,同樣具有安全可靠平穩舒適節能環抱平層精度高的特點。轎廂採用對稱的4活6導軌導向,解決了轎廂裝載不平衡引起晃動的問題,降低了運行的噪音。轎門裝有高可靠的光幕保護活紅外線電眼保護,保證汽車安全的進出。
  10. Dsps is used to accurately detect the moving area of multi - moving objects and information of their geometrical position in the system, at the same time, it pick up the parameters of geometrical feature, gray feature and planar velocity of each area, at last, we integrate the techniques of multi - moving objects detection and construct a self - adapted system to track multi - moving objects. the camera is controlled to keep the object in its field of view. therefore we achieve a real time system to track the multi - moving objects in the complex scenes

    本系統利用dsps精確檢測出多運動目標的運動區域及其幾何位置信息,並對各個運動區域進行幾何特徵參數、灰度特徵參數和運動速度參數的提取,最後據這些特徵參數值結合多目標運動狀態檢測技術構建了多運動目標自適應跟蹤系統,並據已經計算出的運動目標的速度量,通過雲臺裝置控制攝像頭的轉動,使得特定運動目標始終位於攝像機的視野中,從而完成對復雜背景中多個運動目標中特定目標的實時跟蹤。
  11. By analyzing the basic principle of voltage space vector pwm, a method is proposed to choose the zero vectors dynamically according to the power factor angle of the load and the concept of the lag angle of non - switching sectors

    在分析了空間量pwm基本原理的基礎上,提出了一種據負荷功率因數角動態分配零量的方法,並引入了不開關扇區滯后角的概念。
  12. From the fundamental equations of ac servo system, using the principle of coordinate transformation of vector a concise mathematical model is deduced, the speed examination arithmetic of pmsm is obtained

    摘要據交流伺服電機的工作原理,利用量坐標變換原理,推導出交流永磁同步電動機的量控制數學模型,得出了交流永磁同步電動機速度檢測演算法。
  13. If we go against this aim, if what we give the cadres cannot help them educate and guide the masses, our work of raising standards will be like shooting at random and will depart from the fundamental principle of serving the masses of the people

    如果違背了這個目的,如果我們給予幹部的並不能幫助幹部去教育群眾、指導群眾,那末,我們的提高工作就是無的放,就是離開了為人民大眾的本原則。
  14. The steady - state errors of current closed loop system with pi current regulator in stationary and synchronous frames are compared using complex vectors. also, the corrector of rotor displacement control is studied by the root locus method

    應用復合量概念,對比了靜止坐標系和同步旋轉坐標系pi電流調節器組成電流閉環系統的穩態誤差,並用軌跡法對轉子位移控制系統的校正環節進行了研究。
  15. Charge qs was located near the interface of silicon and oxide. with more charge, the field of buried oxide was improved up to the critical breakdown field basis on entirely continuity of electric displacement vector, and then the vertical breakdown voltage was raised. the comparisons between analytical and simulative results proved its availability of this model to interpret the vertical blocking mechanism

    該模型認為,將界面電荷qs引入i層si / sio2的si界面,據電位移量的全連續性,界面電荷qs越多,使i層內電場增加,直至sio2的臨界電場,從而提高縱向擊穿電壓vb . v ,很好得解決了器件的縱向耐壓問題。
  16. Interpolation of user - provided vectors provides a smooth vector field capable of being used to guide the change of directions and scales in texture synthesis

    據用戶在此三角網格上指定表示紋理方向和大小的量來插值生成量場,用以控制合成紋理的變化。
  17. This paper proposes a new method for sensorless vector control of induction motors, which is based on the flux observer theory and the adaptive control theory

    本文據磁通觀測器理論和自適應控制理論,提出了一種無速度傳感器量控制調速新方法。
  18. The main work completed in the paper is listed as following : 1. image function acquisition -, 2. read bmp files by dib format ; 3. drawing gray scale histogram ; 4. choose a optimum threshold and make gray image become binary image -, s. find image ' s contour points by making inner points become empty and apply template matching on the contour points ; 6. transform the object ' s beginning points ( pixel point ) to the ones in the image coordinate and the positions of in the corresponding three dimensions ; 7. compute the position vector and the normal vector of the object

    選擇一個最佳闋值,把灰度圖像進行二值化處理; 5用掏空內部點法,找到圖像的輪廓點,然後在輪廓點上進行模板匹配; 6把輸出的目標物開始點(像素點)轉化成圖像坐標系中的點和對應的三維空間的坐標位置; 7計算目標物的位置量和法向量,據機器人抓取面的法向量,找到機器人要抓取的平面; 8
  19. Earlier this month, birmingham council came under fire when news leaked that some road workers - - whose job was to paint white lines on the city ' s streets - - earned 1, 000 pounds a week

    其實伯明翰市議會在10月初時已成為飽受民眾抨擊的眾之的,據媒體當時透露的消息,當地某些只是負責為城市街道刷上白色交通指示線的路政工人竟然每周也可以掙到1000英鎊。
  20. Simulation results of the method for a three - level inverter feeding induction motor are presented

    據不同的運行速度,選用不同的電壓空間量進行線性組合,控制電機的定子磁鏈和電磁轉矩。
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