補償變差 的英文怎麼說

中文拼音 [chángbiànchā]
補償變差 英文
compensating variation
  • : Ⅰ動詞1 (修理; 修補) repair; mend; patch 2 (補充; 補足;填補) fill up; add supplement; supply; ...
  • : 動詞1. (歸還; 抵補) repay; compensate for 2. (滿足) meet; fulfil
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • 補償 : compensate; make up; make up for; make it up to sb. ; make sth. good; compensation; offset
  1. Image coordinate and galvanometer pendular angle are kept in the computer according to the f9 field lens characteristic, enter pupil excursion and f6 characteristic error are ignored, that the image of laser scanning point move acceding to unlinearity relation is deduced theoretically. for deducing the distortion, error compensation is considered in the software

    像點坐標與振鏡擺角按f物鏡特性的線性關系存儲在計算機,在忽略了入瞳漂移和f特性誤后,從理論上推導出二維垂直振鏡分佈中激光束掃描點的像點按照復雜的非線性關系運動,為了減少幾何畸,在軟體設計中給出誤
  2. During the period of measurement, the transduction circuits transform the differential pressures, the absolute pressures and the temperatures received by the sensors into the voltage signals, and then, the voltage signals are transformed into digital signals by the a / d convertor. the mcu processes these digital signals and calculates the cumulation of the flow. finally the totalizers contact with the pc by rs - 485 bus to form a distributed measuring network

    在測量過程中,系統以流量計節流所獲得的壓信號作為主信號、絕壓和溫度信號作為信號進行流量積算,這三種信號分別由相應傳感器感知后,經各自的物理信號測量電路轉換為電信號,再由a / d轉換模塊轉為數字量,交微控制器進行處理、積算。
  3. That means the controlled temperature al1ow waving in a range in a period. when the change of the temperature indoor is out of the range we enacted, the system begin to regulatc. compensate the windage last time leave behind } before decide the heatsupply parameter for the next time

    即允許被控室內溫度在一段時間內存在一定幅度的波動,當室溫化幅度超過設定值時系統開始調節,在確定下一時間段的供熱參數之前對上一時間段的遺留偏在短時間內給予
  4. The author has finished the following several jobs in core of the centre : 1 ) the active compensation method based on bang - bang control was put forward to realize the wide range current transformer. the method converts the complex statement space to i / o description by the two - stage current transformer. with the compensation method, the accuracy of 0. 2 grade current transformer can be improved to less than the 0. 1 grade standard at 100 % rating when the primary side current is changed from 2 % to 120 % of the rating

    圍繞這一工作核心,作者完成了以下幾項工作: ( 1 )以實現寬量程電流互感器為目標,提出了基於bang - bang控制的有源方法,採用雙級電流互感器,將復雜的狀態控制分量轉化為偏控制,該方法結構簡單,調試方便,有源器輸出電流小,可以將0 . 2級的電流互感器經過后提高到一次電流從額定值的2化到120時,測量誤不超過一次電流額定值100時準確度為0 . 1級的測量標準。
  5. At first some modification is made in conventional beam forming of frequency domain, namely to estimate doa by arrays outputs on compensated spacial frequency points of echoes. then the cwt is utilized to signal processing in space - frequency domain for estimation of doa, and the corresponding modification is also made. in the dissertation, the computer simulations of doa estimation for both narrow - band and wide - band echoes are given, so do the necessary comparison among several methods and crb

    首先在傳統的頻域波束形成演算法的基礎上,提出對寬帶信號的頻率,也即對寬帶回波信號的各空間頻率根據時間頻率的異進行相應,然後對各陣元輸出求和來得到方位估計;其次將連續小波換引入到空間?頻率處理中,從而完成對目標方位的估計,並進行了相應地
  6. Based on analyzing the recent research status and future developments of error compensation techniques for cmm in the world, non - rigid errors of cmm are analyzed by means of the stress distortion analysis for components of cmm bridge - type cmm, and a new idea for die error compensation of high precision cmm is provided

    本論文在分析目前國內外三坐標測量機測量誤技術研究的現狀和發展趨勢的基礎上,通過對坐標測量機構件的受力形建模分析,詳細研究了測量機非剛性效應運動誤,為高精度坐標測量機誤技術奠定理論基礎。
  7. With the experiment part, the errors of sk - 21 nc machine tool have been measured, and a serial of data is gotten which lead to the error discrimination. ( 3 ) based on the kinematical theory of mbs, the calculation methods for the ideal center envelop curve of grinding wheel on cam grinding, the practical cutter track, inverse contour of cam, ideal nc instructions, precision nc instructions, the inner / outer normal and the fitting criterion of curve have been all discussed in detail in this paper

    ( 3 )通過精密加工的約束條件方程,探討理想刀具路線、逆數控指令與實際刀具軌跡之間的映射關系,解決誤技術提高加工精度的核心問題? ?當要求數控磨床的砂輪中心準確到達給定的理想點時,精密數控指令值究竟該是多少,如何能夠通過計算,獲得這樣的數控指令值,給出經修正的數控指令計算方法。
  8. This thesis analyze the effects of its mechanism dimension to the working properties with many of date, and the flux curve of principal and subordinate piston mortar pump, and the effects of the transition working area of the compensatory cylinder to the working properties, and find the differences between the actual properties and the theoretical model, proposes the measures for the improvements, as well as gives the guiding instructions for the mortar pump design

    數據分析了主從活塞式砂漿泵機構尺寸參數化對泵工作性能的影響,分析了主從活塞式砂漿泵的排量曲線,以及缸工作的過渡區間對泵工作性能的影響,找到了泵實際工作性能與理論模型的別並提出改善措施,對該砂漿泵的設計提出指導性建議。
  9. Based on an analysis of the sources of errors in airborne gravity measurements, an error model is studied to constructed mathematically which can characterize the change of systematic errors, with which the network adjustment is carried out and the model parameters are determined simultaneously. and finally, the compensation of systematic errors is realized

    航空重力測量測線網平就是在分析、總結航空重力測量的主要誤源基礎上,研究建立反映航空重力觀測系統誤化規律的誤模型,根據交叉點不符值條件,平求解各測線上重力觀測值系統誤改正數,然後對各測線上所有重力觀測值進行改正() 。
  10. Secondly, theoretical models for time series, such as garch, egarch, tarch and garch - in mean, and the methods of parameter estimation are introduced. then, these models are employed to test the volatility in shanghai a - share, shanghai b - share, shenzhen a - share and shenzhen b - share. next, in chapter 4, we study the co - integration and test the granger causality between the four share indexes. finally, the spillover of volatility between a - shares and b - shares markets are tested

    第二,通過模型的比較分析,發現殘基於t分佈的arch類模型較之基於正態分佈和ged分佈的arch模型能更好地刻畫我國股指收益率序列的特徵。第三,滬深a股在兩個階段的化甚微,保持著非對稱效應,對利空消息的波動大於利好消息的波動,風險為正向,且風險系數的化不大。
  11. In chapter 2, author points out firstly that the elastic deformation of elastic units of a robot ' s wrist force sensor will be enlarged by the end - effector, the instruments and the work pieces, so the elastic deformation of the sensor will influence the location accuracy or kinetic accuracy of end point of a robot, under the condition of that the robot technology facing the developing of heavy load, light mass and high accuracy. it is discussed respectively that the relationship between the differential kinemics in the sensor ' s coordinate and the location accuracy or kinetic accuracy of the end point. error matrixes of location and kinemics of the end point are presented respectively based on the differential kinemics in the sensor ' s coordinate, and the on - line error compensation methods are introduced subsequently

    第二章首先指出機器人腕力傳感器彈性體的彈性形經過機器人末端連桿、工具、工件等的放大后,會對機器人末端精確定位和運動產生的影響;然後分別研究了傳感器坐標系內的微分運動與機器人末端工件精確定位、運動的關系;在此基礎上,研究了基於腕力傳感器彈性體微分運動的機器人末端定位、運動誤的誤矩陣及其在線誤方法;基於機器人動力學的機器人末端定位、運動誤的誤矩陣及其在線誤方法;最後,以puma型機器人為對象,給出了基於腕力傳感器內微分運動的機器人末端定位、運動誤及其在線方法的模擬實例:給出了基於機器人動力學的機器人末端定位、運動誤及其在線方法的模擬實例;模擬結果表明, 1 )基於腕力傳感器的機器人末端定位誤在腕力傳感器允許的載荷下可達十分之幾毫米級。
  12. Good clocks have pendulums which are automatically compensated for temperature changes

    好的擺鐘可以自動溫度化造成的誤
  13. Several materials with large coefficient of expansion were selected to make packaging components, and it was found that the packaging materials have good temperature sensitivity and compatibility with optical fibers. experimental accuracy and repetition of fbg temperature sensitivity and compensation were discussed. have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber ; have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of fbg wave - length, have obtained the first step conclusion ; have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes

    本文所做的主要工作包括以下幾個內容:一、選取了常見的熱膨脹系數大的材料製作封裝元件,經過多次一80到80反復測試,封裝元件沒有出現老化開裂、封裝裂紋、空洞、離層等缺陷,封裝材料具有良好的溫敏穩定性及復用性,與光纖相容性較好;二、對光纖光柵進行簡單、實用的封裝處理,就封裝效果的優劣性、波長測量的準確度、重復性和封裝時產生的波長損失等方面進行了一系列的實驗,得出了初步的結論;三、對溫敏和溫度式封裝的實驗數據進行了詳細的分析和對比,從數字上對溫過程中光纖光柵中心波長的改及溫曲線進行了定量的分析,在大量實驗數據分析結果的基礎上,總結出哪種材料封裝效果更好,以及如何有效的減小實驗誤
  14. Abstract : the attitude error performance of electrostatic gyro should be understood and the relevant error equations must be set up in order to ensure the navigation precision of esgm. the relation between the navigation errors and the attitude errors of gyro was derived by use of spherical triangle. the simulation results show that the temporal performances of the longitudinal and distance errors which come from the initial alignment errors are periodically variational. they also show that the longitudinal and distance errors resulted from gyro drifts are not convergent in time. thus, the effects of initial alignment errors and gyro drifts can not be neglected and must be estimated and compensated

    文摘:為了保證靜電監控器的導航定位精度,需要了解靜電陀螺的姿態誤特性,建立相應的誤方程.本文採用球面三角形原理推導了導航定位誤與陀螺姿態誤的關系式.模擬結果表明,由初始定向誤引起的經度誤和距離誤的時間特性是周期化的;由陀螺漂移引起的經度誤和距離誤是隨時間發散的.因此,初始定向誤和陀螺漂移的影響不能忽略,必須對其進行估計和
  15. The accurate calculation of the input voltage and the compensation for the dc - offset error and the variation of the stator resistance are important factors in practical implementation of the integration since they can cause a drift in the stator flux linkage trajectory and furthermore deteriorate the quality of torque control

    因此,輸入電壓的準確計算、直流漂移量的以及定子電阻化的都是影響積分計算準確性的重要因素,這些誤會導致定子磁鏈軌跡的偏移,進而降低系統轉矩控制的性能。
  16. Because of the phase errors caused by aircraft ' s motion errors, accurate motion compensation should be applied to get high resolution, high contrast and low geometric distortion sar images

    因為由雷達載機運動誤帶來的相位誤,為了獲得高分辨力、高對比度、小幾何形的圖像,就需要進行精確的運動
  17. With compensation of signal ’ s time delay from different radiating element by phase shifters, phased - array antenna can control array beam easily. because there are no mechanical devices for rotating beam, the phased - array antenna system can scan everywhere in beam covered areas in millisecand by stepping the phase shifters. it improves the tracking velocity of antenna towards the object, and becomes the development trends of weapon system antennas

    相控陣天線利用移相器信號到達輻射單元時間的異,從而控制波束方向;天線沒有機械旋轉問題,只需改移相器的設定值,波束便可以在毫秒級內掃描其覆蓋空域內的任何地方,提高了天線對目標的跟蹤速度,是目前武器系統天線的發展方向。
  18. This digital amplifier made up of a digital inverter can implement the sine voltage signal ' s power amplifying based on the digital signal processor. with the high processing ability of dsp, the advanced digital control arithmetic can be realized in the software. also the feasible and effective technique for the time delay compensation of digital control can be achieved

    該放大系統用數字化逆器來實現電力系統正弦電壓信號功率的放大,利用dsp數字處理器高速的處理能力,可以使系統實現高性能的演算法控制,並且能靈活地對系統的誤進行,從而實現逆系統的高性能和高精度,為解決電力系統電容式互感器二次側帶負載能力弱的問題進行了有意義的研究。
  19. By simulating, this paper compared the effect of capacitor compensation to that of svc compensation, the results showed that capacitor compensation add the voltage flash, and svc was the optimal equipment to restrain the flash. furthermore, the smaller value of ks and tf, the better effect of svc

    通過數值模擬曲線分析,對比了電容和靜止無功器( svc )的效果,得到的結論是電容有擴大閃的影響,而靜止無功器( svc )是抑制閃的最佳裝置,並且調系數ks和時間常數t _ f越小, svc效果越好。
  20. To import the smith predictor into cascade control can improve the weaken control quality caused by the large time - delay in it, and reduce the predictor ' s sensibility to object parameters

    另一方面,由於smith預估控制系統對控制器與被控對象的數學模型之間的誤十分敏感,的細微化都將引起控製品質的很大改
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