time order error 中文意思是什麼

time order error 解釋
時序誤差
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  • order : n 1 次序，順序；整齊；（社會）秩序，治安；狀況，常態；健康狀態；條理；會場秩序；議事程序，日程；...
  • error : n. 1. 錯誤；失錯。2. 謬見，誤想；誤信；誤解。3. 罪過。4. 【數學】誤差；【法律】誤審，違法；（棒球中的）錯打。adj. -less 無錯誤的，正確的。
  1. In this paper, a crank - nicolson mixed element method, a nonlinear galerkin mixed element method for the non stationary conduction - convection problems time second order accuracy fully discrete formats and a two - level mixed element method with backtracing for the stationary conduction - convection problems are presented and analyed, respectively, an error analysis are provided for the crank - nicolson method of time discretization applied to spatially discrete galerkin mixed element approximations of the nonstationary conduction - convection problems

    本文分別給出了非定常的熱傳導-對流問題的crank - nicolson混合元法時間二階精度全離散格式，非線性galerkin混合元法時間二階精度全離散格式以及定常的熱傳導-對流問題回溯二重水平法。討論了時間上的crank - nicolson離散方法應用於非定常的熱傳導-對流問題的空間離散的galerkin混合元近似。
  2. At the same time, the exchange could not support far - end error indication on the multiplexing segment and low - order and high - order channels. it could not support far - end out - of - work indication on the low - order channel either

    同時， p3s交換機不支持復用段遠端差錯指示功能，不支持高階通道遠端差錯指示功能、低階通道遠端差錯指示功能和低階通道遠端失效指示功能等告警顯示功能。
  3. Time delay estimation ( tde ) by using three - element linear array is an important problem in torpedo trajectory tracking system which ttacks target according to strictly geometrical position. it is the basis of measurement of target distance, bearings etc. the error of tde influences directly the accuracy of trajectory tracking. the more efforts have been made in order to acquire high accuracy estimation

    三元直線陣的時延估計是魚雷彈道測量系統中的一個重要課題，它依照嚴格的幾何關系進行目標定位，是測量目標距離、方位等參數的主要依據，時延估計的精度直接影響彈道跟蹤系統的精度，為提高時延估計精度人們進行了大量的研究和探索。
  4. Abstract : in this paper a new identification model constructed by neural networks with modified inputs and stable filters is presented for continuous time nonlinear systems in order to reduce the inherent network approximation errors. an adaptive law with projection algorithm is employed to adjust the parameters of networks. under certain conditions, convergence of the identification error is proved

    文摘:在用神經網路進行系統建模時，建模誤差的存在是難免的.為了減小這種誤差，本文對連續時間非線性系統提出了一種新的神經網路辨識模型，它是由帶有輸入修正的神經網路和穩定濾波器組合而成.文中給出了權值的學習演算法，即權值是根據辨識誤差的投影演算法來改變，證明了在一定條件下辨識誤差的收斂性
  5. In order to eliminate the influences caused by temperature, electrode - polarization and autoeciousness - capacitance, the traditional instrument has added complicated circuits so that it cause such shortcomings as big error, time - retardation and a relatively small scope. through the problems caused by 2 - probe electrode and ac current source, a new measuring circuit based on the excitation of bi - directional voltage pulse and the sensor of 4 - probe electrode is proposed, using single - chip to achieve auto - temperature compensation

    作者在參閱國內外大量相關參考文獻的基礎上，從電導測試技術的原理性研究出發，分析了採用交流激勵源、兩電導電極為傳感器的傳統電導測試系統所面臨的種種問題，提出並研製了一種基於雙極性脈沖電壓激勵、以四電導電極為探頭、運用單片機進行溫度自動補償的新型電導率測量系統。
  6. 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差特性，建立相應的誤差方程.本文採用球面三角形原理推導了導航定位誤差與陀螺姿態誤差的關系式.模擬結果表明，由初始定向誤差引起的經度誤差和距離誤差的時間特性是周期變化的；由陀螺漂移引起的經度誤差和距離誤差是隨時間發散的.因此，初始定向誤差和陀螺漂移的影響不能忽略，必須對其進行估計和補償
  7. Abstract : according to the characterestic of resistance furnace temperature control, temperature rising one - way control, large time delay and time - variation of parameter, using method of fuzzy compositional rule of inference establish fuzzy model and design fuzzy cntroler. in order to increase control system precision, it gives a fuzzy variable k, and sets parameter self - adjusting fuzzy control system. this system can on line self - adjusting controller parameters according to the error and variations of the error. it makes the system steady precision improved

    文摘:根據電阻爐溫控制的特點，即只有升溫單向控制、滯后較大且具有參數時變性，利用模糊推理合成法建立模糊模型並進行模糊控制器設計，為提高模糊控制的精度，引入模糊變量k ，構成參數自調整模糊控制系統.該系統可根據誤差和誤差變化在線自動調整控制器參數，使系統的穩態精度得到改善
  8. According to the characterestic of resistance furnace temperature control, temperature rising one - way control, large time delay and time - variation of parameter, using method of fuzzy compositional rule of inference establish fuzzy model and design fuzzy cntroler. in order to increase control system precision, it gives a fuzzy variable k, and sets parameter self - adjusting fuzzy control system. this system can on line self - adjusting controller parameters according to the error and variations of the error. it makes the system steady precision improved

    根據電阻爐溫控制的特點，即只有升溫單向控制、滯后較大且具有參數時變性，利用模糊推理合成法建立模糊模型並進行模糊控制器設計，為提高模糊控制的精度，引入模糊變量k ，構成參數自調整模糊控制系統.該系統可根據誤差和誤差變化在線自動調整控制器參數，使系統的穩態精度得到改善
  9. Results : when time duration estimation was done on the two levels of second and minute during online, network - addiction group showed more errors than non - network - addiction group, and time estimated by network - addiction group was shorter than real time duration ; the larger time estimation error is, the better network - addiction group can make time order judgment ; the time memory characters of network - addiction group were different between the two levels of second and minute

    結果：大學生網癮者在網際網路使用條件下，進行秒級時間單位和分級時間單位的時距估計時，誤差值普遍要大於非網癮者，且明顯表現出低估現象；大學生網癮者時間估計誤差值越大，時序判斷越準確；大學生網癮者時間估計在秒和分兩級單位上的時間記憶特點不同。
  10. Lyapunov exponent depict the discrete extent of chaotic dynamic system. there propose an estimation of one step prediction error based on lyapunov exponent, the estimation express the reliability of prediction numerically. at the same time, in order to improve the predictive precision it drew out an error complement methods creatively to correct one step prediction

    Lyapunov指數定量刻畫混沌離散動力系統的平均發散程度，基於lyapunov指數作出了一步預測的誤差估計，以此來定量反映預測的可靠性；根據奇異吸引子流形的性質，創造性的提出殘差補充法，對預測值作出修正以降低誤差，提高預測精確性。
  11. For the measurement of analog signals such as voltage and current of astg, a filter card for pre - disposing is designed, in order to improve real - time performance, algorithms for ac analog sampling is simplified, and a compensation algorithms for phase error due to sequence - sampling is brought forward. for the measurement of impulse - width signals such as rotor - speed and rotor - position - angle, an intelligent interface card based on isa bus is designed. all programs for measure and control based on c + + are compiled and debugged and the flow for system debugging is summarized

    為了提高實時性，對交流采樣演算法進行了簡化，並提出了由於非同步順序采樣所造成的相位誤差的補償演算法；針對轉速、轉子位置角等脈沖寬度信號的測量，深入分析了測量原理，設計了基於isa總線的智能介面卡；編制和調試了基於c + +的全部測量控製程序；完成了整個系統的調試，並總結了調試方法。
  12. Abstract : a new variable structure model reference adaptive control ( vs - mrac ) scheme is proposed in this paper. by transforming a relative degree one system into a first - order - like differential equation, it is shown that the spr ( strictly positive real ) assumption for reference model or its modified form ( if plant relative degree n * > 1 ) can be removed and the tracking error can converge to zero in finite time or a small residual set

    文摘:提出了一種可具有非嚴格正實參考模型的變結構魯棒自適應控制方案，可去除變結構模型參考自適應控制中普遍要求參考模型為嚴格正實或當相對階大於1時參考模型經補償后為嚴格正實的假設.在此基礎上提出的變結構控制律可保證跟蹤誤差在相對階為1時于有限時間內收斂到零，而當相對階大於1時則可使跟蹤誤差收斂到一個殘差集內
  13. A scale coefficient method based on the fem has been proposed to predict the optimum blank in sheet metal forming in this thesis. in order to improve the precision of results and reduce iterate time, at adjusting the original curve, this method is n ' t giving the same adjustment, but giving the corresponding adjustment based on calculation of scale coefficient and shape error of each node to the curve

    本文在有限元模擬的基礎上提出了一種新的板料優化的方法? ?比例因子法，該方法在調整初始輪廓線時，不是給各個節點一個相同的調整量，而是依各個節點的比例因子及形狀誤差值計算出相應的調整量，這樣調整的針對性強，計算結果更精確，需要迭代的時間也更少。
  14. In order to keep the signal transmission unfailing, bch error - correcting code is applied in the system. this kind of system does n ' t affect the application television broadcasting normally and does n ' t increase video signal bandwidth additionally. it optimizes the transmission circuit for control signals and solves the problem of time - delaying, thereby it promotes the transmission more efficiently and economically

    這種新型的應用電視在不影響電視正常播放和不增加電視傳輸帶寬的前提下，將控制信號搭載在視頻信號通道上運行，優化了控制信號傳輸線路，解決了時延問題，達到了利用電視信號逆程資源的目的，真正意義上實現了單纜傳輸監控系統，促進了監控系統的高效化和經濟化。
  15. The data used in the risk assessment of regional natural disasters imply the information not only on time but also on space. when the spatial information of the data is incomplete, it is necessary to optimize the data in order to reduce the error of the assessment. in the counterpart of the paper in last issue of the journal the theoretical investigation of the problem was carried out and the imcomplete information occured in risk assessment of regionalnatural disasters were class ifiedinto two types with treatment of interpolation model and correcting model res pectively. the former model is for insufficiency of the data and the later is for the case in which the accuracy of the data is not enough. inthispaper, taking the flood sustained by rural area plant in hunan province as an example, it is explained how to use the models to calculate. the models are examined as well

    區域自然災害風險評估中所用的數據不僅具有時間的意義，而且具有空間的意義，當數據的空間信息不完備時，需要對其進行優化處理，以減小風險評估的誤差，作者在本刊上一期的一篇文章中已進行了這方面的理論探討，將區域自然災害風險評估中所遇到的空間不完備信息分為兩類，分別用插補模型和校正模型進行了處理，插補模型是針對空間數據缺失情況的，而校正模型是針對空間數據不符合精度需要情況的，本文以湖南省農村種植業水災為例，進一步說明如何應用這些模型來進行計算，並對其進行了檢驗
  16. Solutions are advanced in time by explicit four - stage runge - kutta integration with up to second - order temporal accuracy. to avoid grid motion induced error, the geometric conservation law ( gcl ) is satisfied numerically

    為避免網格運動給數值解帶來額外誤差，給出了幾何守恆律的離散形式並在數值上滿足了幾何守恆律條件。
  17. According to the mathematic modeling principle of physical problem, the error of lattice boltzmann model is analyzed in chapter 3. the nonlinear deviation term from the navier - stokes equation is given, and the main model coefficients, such as speed of sound, viscosity and so on, are verified by numerical computation, the results show that the lattice boltzmann method has second order precision in space and in time which satisfy the engineering application, whereas, the compressible effect ca n ' t be neglected along with mach number increasing, and must be reduced or eliminated

    其次，按照物理問題數學建模的原則，對格子法的誤差進行了分析，給出了格子bgk方程再現navier - stokes方程時的壓縮誤差項，並數值驗證了格子模型的聲速及粘性系數等相關參數的精度，表明格子模型盡管具有時空二階精度，能滿足工程計算的要求，但隨著mach數增大，壓縮誤差逐漸成為主要誤差，必須予以消除。
  18. Because the watermark embedding and the noisy channel were directly related to the codeword index order in the model, at the same time deciding the codeword index was a np - hard problem typically, so the ant colony algorithm was introduced to optimize it in order to make the bit error rate lower and the embedded watermark more invisible

    在該模型中，由於水印嵌入和通道噪聲直接與碼字索引相關，所以該模型誤差由索引值決定，又由於碼字索引的確定是np難度問題，故引入蟻群演算法對其優化是方便的，優化目標是降低誤碼率和使不可見性達到最佳。
  19. The proposed approach overcome the disadvantages which the neural network need learning off - line before using as a controller and lack of real - time and can not guarantee stability of the system, hi order to eliminate the extern disturbance and approximation error of network, the controller design combine with robust control approach and the system possess robustness

    基於lyapunov穩定性理論，推導出了神經網路權值在線學習規律，保證了系統的全局穩定性，同時，為了消除或減小外部干擾以及神經網路逼近誤差，在控制器設計時結合了魯棒控制方法，使得系統具有一定的魯棒性。
  20. In order to minimize the value of the improved integral time multiplied absolute error ( itae ) performance index, the simplex method was used to optimize the fuzzy controller with 4 modifying factors

    採用單純形法對4修正因子模糊控制器的4個修正因子進行優化，以使改進的itae性能指標最小。
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