速度偏差 的英文怎麼說

中文拼音 [piānchā]
速度偏差 英文
speed variation
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ形容詞1 (不正; 歪斜) inclined to one side; slanting; leaning 2 (只側重一面) partial; prejudi...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. The accelerometer bias errors result in an average constant offset plus an oscillatory component.

    計的置誤形成一平均的常值離加上一振蕩分量。
  2. In market economy, the excessive broadening of income disparity will necessarily reduce the investment multiplicator effect, speed up the process of capital deepening, and cause deficiency in the formation of human capital, thus discounting the economic efficiency and the social benefits of investment, and blocking the effective growth of the economy

    在市場經濟中,收入距的過擴大必然降低投資的乘數效應,導致投資結構選擇的,加資本深化的進程,並造成人力資本形成的不足,從而降低投資的經濟效率和社會效益,阻礙經濟的有效增長。
  3. The frontal structure of longmenshan in the west of sichuan is very complex, showing intense structure deformation in overthrust belt, high structure amplitude, steep stratigraphic dip, developed fault blocks, complex seismic wave field, frequent change of lateral velocity, and poor image of post - stack time migration processing

    摘要川西龍門山前緣構造非常復雜,逆掩推覆構造帶構造形變強烈,構造幅大,地層傾角陡,斷塊發育,地震波場復雜,橫向變化大,常規疊后時間移處理成像效果較
  4. The thesis developed the optimization design software of geometric parameter for the worm gear including strength check module, the drawing contact lines module, the change lines of tooth thickness of worm, and the parametric modelling software for the reducer which includes parametric modelling of parts and assembly. the cad prototype system is very convenient because of its accessible interfere, simple operation and written in chinese. by input design parameters , the cad system can make optimization design and strength check for the worm gear , draw contact lines of tooth flank of worm - gear and change line of tooth thickness of worm , judge if the tooth flanks of worm undercut and if the sideward tooth of worm - gear hob come to a point , make project design and structure design for the reducer and draw its 2d parts and assembly

    研究和開發了平面二次包絡環面蝸桿傳動的參數優化設計和校核軟體系統:包括幾何參數設計計算模塊,強校核模塊,繪制齒面接觸線模塊,蝸桿齒厚變化曲線模塊和蝸桿根切判別模塊;開發了平面二次包絡環面蝸桿減器外形與結構尺寸數據庫以及傳動效率數據庫,建立了平面二次包絡環面蝸桿傳動公及極限數據庫;開發了平面二次包絡環面蝸桿減器參數化建模軟體:包括零部件的參數化建模模塊和裝配圖的參數化建模模塊,其中零部件的參數化建模包括蝸桿軸系的參數化建模、蝸輪軸系的參數化建模、箱體的參數化建模、端蓋的參數化建模、軸承的參數化建模和其它零部件的參數化建模軟體模塊。
  5. Back extraction by hno3 - hf and back extraction by concentrated hnch after lower the concentration of organic phase are studied, the method of back extration by hnorhf can not be used to icp - ms, because some zirconium is hydrolysis when hf is removed by heat. however, the method of back extraction by concentrated nitric acid after lower the concentration of organic phase can be used to icp - ms, the recovery is 93. 2 %, rsd % is 5. 24 %, the decontamination factor of uranium is 3. 2xl04, the detection limit of zirconium is 0. 04ng / ml. the method of tta extracting trace zirconium in uranium is firstly used to icp - ms, the result is satisfied, it can be used to determine zirconium in uranic production quickly and veraciously

    本文通過研究hno _ 3 - hf反萃和稀釋有機相後用濃hno _ 3反萃這兩種分離方法,認為hno _ 3 - hf反萃由於在加熱去除hf時酸不易控制,導致鋯的部分水解,因而此方法不宜用於icp - ms中,然而稀釋有機相後用濃hno _ 3反萃法用於icp - ms測量中,全程回收率為93 . 2 ,相對標準為5 . 24 ,鈾的一次去污因子為3 . 2 10 ~ 4 ,鋯的測定下限為0 . 04ng / ml ,本文首次將tta萃取分離鈾中鋯用於icp - ms測量中,結果令人滿意,此方法適用於快、準確測量鈾產品中微量鋯。
  6. 3. vecm of result indicate shanghai a index, shenzhen b, hengsheng index, and jiaqua - an index can recur equilibrium when they deparure equilibrium by coefficient of vecm moreover hengsheng index is very quike. by granger test indicate between a and b inde - x have cause and effect contemporary between hengsheng index and jiaquan index hav - e cause and effect, this result is same to vecm

    3 、誤修正模型結果指出上海a股,深圳b股、恆生指數和加權指數在短期離均衡時,仍可經由誤修正項的調整而回到長期均衡關系,並且恆生指數的調整是最快的正向調整。
  7. In the method of combing theory and practice, the thesis analyzes the manifestations of students " deviated behavior and their negative influence on students. after exploring the possible causes of deviated behavior, the thesis puts forward some concrete remedies : the nation should strengthen the supervision and the management of computer networks ; middle schools should effectively manage, guide and educate their students ; teachers should be quick in improving and broadening their knowledge and pay more attention to the psychology of their students ; parents should supervise their children well

    本文採用理論聯系實際的方法,在界定網路行為的基礎上,指出了網路行為的表現及其對中學生所產生的危害性,並從多角分析了產生網路行為的原因,最後闡述了具體的對策:國家要加強對計算機網路的監督和管理;學校應加強對學生的管理、教育和引導;教師應加知識的更新和提升,並注重對中學生進行心理教育,開展心理咨詢;家長應切實做好對孩子的監護工作等,多管齊下,齊抓共管,共同促進中學生身心的健康發展。
  8. Second, by computing the trajectory of the missile and the method of analyzing cep, influences that the fighter ' s height, speed, pitch angle, the deflection angle between fighter and target, and the target moving characters make on the times of fighter attack and missile launch are deeply developed. third, by relating the motion of the missile and the fighter, the influences that fighter ' s dive angle and the deflection angle between fighter and target make on the attack field of the fighter are discussed in this paper when the fighter perform vertical and horizontal attack. criterion of attack effect is proposed focusing on attack time of the fighter, trajectory of the missile and destruction probability to the target

    本文主要完成了以下幾個方面的工作:對導彈可發射區和飛機可攻擊區進行建模,通過對導彈彈道的模擬計算,並運用典型的圓概率分析方法,詳細討論了飛機實施攻擊時,飛機的飛行高h 、v 、俯仰角、與目標的離角_ x及目標運動特性等對飛機攻擊時機和導彈發射時機的影響;因此,將飛機和導彈結合起來,詳細研究了飛機在垂直平面和水平平面內實施攻擊時,飛機俯沖角和與目標的離角_ x對飛機的攻擊范圍的影響;以飛機實施攻擊的時間t 、彈道特性和對目標的殺傷概率p來評判對地攻擊的效果;最後給出典型算例,通過對空地攻擊過程的模擬實現,對飛機飛行過載提出要求。
  9. They marked “ slow ” any sections near gates, washouts and underpasses ; segments on paved roads and dry lake beds were assigned “ warp speed

    任何靠近柵門、沖蝕地段及地下通道的部份,都要標明減;經過鋪設路面和乾湖床的路段則標明速度偏差
  10. Compared with the classical bp algorithm, robust adaptive bp algorithm possesses some advantages as following : ( 1 ) increasing the accuracy of the network training by means of using both the relative and absolute residual to adjust the weight values ; ( 2 ) improve the robustness and the network convergence rate through combining with the robust statistic technique by way of judging the values of the samples " relative residual to establish the energy function so that can suppress the effect on network training because of the samples with high noise disturbances ; ( 3 ) prevent entrapping into the local minima area and obtain the global optimal result owing to setting the learning rate to be the function of the errors and the error gradients when network is trained. the learning rate of the weights update change with the error values of the network adaptively so that can easily get rid of the disadvantage of the classical bp algorithm that is liable to entrap into the local minima areas

    與基本bp演算法相比,本文提出的魯棒自適應bp演算法具有以下優點: ( 1 )與魯棒統計技術相結合,通過訓練樣本相對的大小,確定不同訓練樣本對能量函數的貢獻,來抑制含高噪聲干擾樣本對網路訓練的不良影響,從而增強訓練的魯棒性,提高網路訓練的收斂; ( 2 )採用相對和絕對兩種形式對權值進行調整,提高了網路的訓練精; ( 3 )在採用梯下降演算法對權值進行調整的基礎上,通過將學習率設為訓練誤及誤的特殊函數,使學習率依賴于網路訓練時誤瞬時的變化而自適應的改變,從而可以克服基本bp演算法容易陷入局部極小區域的弊端,使訓練過程能夠很快的「跳出」局部極小區域而達到全局最優。
  11. The main function of a governor is to monitor the speed deviation of a hydro turbine unit and convert it into the displacement deviation of the servomotor according to a specific characterisic. it is used to control the opening of the guide apparatus and to ensure the unit run steadily at fixed speed under a given load

    調器的主要功用是檢測機組轉,並將它按一定特性轉換成接力器的行程,藉以調整機組導水結構的開,使機組在給定的負荷下以給定的轉穩定運行。
  12. In this dissertation, two kinds of optimization, methods are proposed. firstly, only these linking weights corresponding to the control rules that affect the control performance significantly are updated in order to reduce the compute works and speed up the training progress. secondly, the updating step is adjusted adaptively in accordance with the error and the change of error of the system based on the t - s model to get better performance

    針對模糊神經網路控制器一般存在著在線權值調整計算量大、訓練時間長、過修正權值可能導致系統劇烈振蕩等缺點,提出了兩種模糊神經網路控制器的優化方法:在線自學習過程中僅對控制性能影響大的控制規則相關的權值進行修正,以減小計算量,加快訓練;基於t - s模糊模型,根據變化率大小動態自適應調節權值修正步長,抑制控制器輸出的劇烈變化,避免系統發生劇烈振蕩。
  13. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器,通過模擬實驗與採用常規的按電壓進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  14. Taking intercontinental ballistic missiles as objects under research, and based on the analysis of the influence of accelerometer measurement error and gyroscope excursion error on the apparent acceleration, the error transfer model of the inertial system in a midcourse guidance segment for velocity and location is given, and the pure inertial navigation guidance error is computed with the given imu error coefficient deviations

    摘要針對洲際彈道導彈,在分析加計測量誤和陀螺漂移誤對導彈視加影響的基礎上,給出了中制導段慣性系統對和位置的誤傳遞模型,對給定的慣組誤系數進行了純慣性導航制導誤計算。
  15. Results indicate that with the approximation of _ ( 0 ) _ ( 0 ) - grtlneisen equation of state is usable to describe the release isentrope of ofhc copper in the present pressure range. in addition, the difference ( w - 2u ) becomes greater with the increase of shock pressure, where w is the measured particle velocity at the final release state ( 1 atm ) and 2u is computed from the mirror line of hugoniot

    卸載路徑的計算和分析表明:在所研究的壓力范圍,無氧銅的等熵卸載過程用gr neisen狀態方程在_ 0 _ 0 =近似下的描述是適用的;卸載到一個大氣壓的終態粒子w與鏡像反演的粒子2u的,隨沖擊波壓力的增加而增大。
  16. Flow - mediated dilatation response normalized to peak shear rate was significantly lower in migraine patients than in controls, the report indicates

    報告指出,流量介導的肱動脈擴張與標準的高峰相比,頭痛病人擴張流量低於對照組。
  17. We can come to know in this article how this has happened and chaw the conclusion that the economic growth variances among all the provinces are the roots of that of economic power

    分階段分析了經濟增長低的主要原因,指出各省區在經濟增長上的持續異是造成他們之間經濟實力變化的根源。
  18. For the operation performance of thsc series of sheet cutters, basically the machine speed of 300 m min and the cutting speed of 500 cut min can be reached in the range of 1400 - 1900 series, but it is hardly to reach it under operation of the remain series, such as : 2100 - 3500, however, still depend on the quality of base paper. the deviation of cutting length is approximately about 0. 3 mm

    在運轉性能方面: thsc系列切紙機其裁切紙張線最高可達300m min ,切刀數500cut min ,其裁切的長值為0 . mm ,當裁切多層紙張時,切刀的負載可達600gsm ,可以說是真正高科技高效率的切紙機。
  19. This the production thread application plc carries on procedure control, and realizes to crowd out machine owner ' s electrical machinery and synchronization towing the mechanical and electrical machine is transferred fast ( ly ), and the installation has the good man - machine interface, and all technology parameters all can be set up and show by way of touching the screen, and producing to consult the menu, the order name was formerly fixed in the input, and whole production line just can be according to primary pipe specifications and speed production fixing every time ; cutting the function voluntarily fixed long ( ly ) cuts, and a pattern head temperature is controlled to use the import intellect warm accuse table ( making the temperature deviation within ), therefore having pledged the quality of tube

    本生產線採用plc進行程序化控制,實現擠出機主電機、牽引機電機的同步調,並設置有良好的人機界面,所有工藝參數均可通過觸摸屏進行設置和顯示,每次生產只需查閱菜單,輸入原先設定序號,整條生產線就可按原設定的管子規格和生產;切割機能自動定長切割,模頭溫控制採用進口智能溫控表(使溫在1內) ,因此保證了管材的質量。
  20. The periodic variation in speed of a synchronous motor with respect to the current

    (同步電動機的)速度偏差同步電機運行的周期性變化
分享友人