輸入數據誤差 的英文怎麼說

中文拼音 [shūshǔchā]
輸入數據誤差 英文
error in the input data
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : Ⅰ動詞1 (進來或進去) enter 2 (參加) join; be admitted into; become a member of 3 (合乎) conf...
  • : 數副詞(屢次) frequently; repeatedly
  • : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
  • : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • 輸入 : 1 (從外部送到內部) import 2 [電學] input; entry; entering; in fan; fan in; 輸入變壓器 input tra...
  • 數據 : data; record; information
  • 誤差 : error
  1. The gpss have one output and two inputs which are speed error and its derivative. selecting triangular function as fuzzy variable ' s membership function, mamdani max - min synthetic method as fuzzy inference method and centroid method as denazification method, fuzzy control rules are given according to the control expectation of governor and the experience of operating staff

    這種模糊gpss採用二出結構,以機組轉速及其導量,以三角形函作為模糊量的隸屬函,根水電機組穩定控制要求和操作人員的經驗制定控制規則,以mamdani的max - min合成法和重心法分別作為模糊推理方法和清晰化方法。
  2. Adding momentum item while correcting weight and limiting range of input value reduce error and improve diagnosis correctness greatly. while normalizing the input value, a new way is put forward that normalization is performed item by item according to its sort. in this way error training can avoid going into the flat field that is caused by existing of 0 or 1 of the input value

    本文首先分析了故障診斷和神經網路的基本理論,並在此基礎上提出了神經網路對于變壓器故障診斷系統的適用性;文中將bp神經網路演算法用計算機實現;並針對其本身存在的一些缺點提出了一系列改進措施,通過在修正權值的時候增加動量項,並且限制值范圍來減小、提高系統的診斷正確率;在對進行歸一化處理的時候,採取按類逐項歸一化的方法,避免了出現0或者1而使訓練進平坦區。
  3. In this paper, the drive theory of the large ratio friction transmission is studied ; a new type elliptical cam wave generator is designed ; the large ratio friction transmission prototype is designed and manufactured ; based on the ansys finite element method software, structure of the elliptical cam is analyzed ; precision index of the manufactured large ratio friction transmission prototype, such as transmission accuracy, least step, stability of the least step, load capacity is measured by the absolute rotary encoder. by analyzing the measurement data and research content, it is think that the new elliptical cam wave generator could overcome a good many problems brought by processing errors, facilitate size precision adjustments, input moment can be achieved in the form of a pure force couple importing ; through this study, " the large ratio friction transmission prototype " could apply in practical engineering basically

    本文研究了大速比摩擦傳動的傳動理論;設計了新型橢圓凸輪波發生器,設計製作了大速比摩擦傳動樣機;用軟體ansys對所設計的橢圓凸輪結構進行了有限元分析;用19位絕對式編碼器測試了大速比摩擦傳動機構的傳動精度、最小步距、最小步距的穩定性以及帶負載能力等各項精度指標;對測量和研究內容進行了歸納和整理,認為新型橢圓凸輪波發生器克服了加工帶來的諸多問題,新型橢圓凸輪波發生器可以進行尺寸精度調整,能夠達到力矩以純力偶的形式;通過本項研究,基本可以使「大速比摩擦傳動機構」在工程中得以應用。
  4. Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc

    本文根大量的國內外文獻,對研配液壓機的工作原理及設計結構進行了簡介;對位置同步的控制方法進行了比較分析,提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案;在此基礎上著重對比例閥控非對稱缸建模,最後得到位置控制系統的總體學模型,從理論上對同步系統動態特性進行了分析,並用pid控制器進行參整定,減小雙缸同步、提高系統的動態響應性能;其中控制性能的分析藉助于matlab軟體中的simulink工具箱,由已建立的學模型形成模擬模型,得到可視化的模擬結果,從而利於交互方式下調整參,了解不同的參對系統的影響,優化同步系統的動態性能;在深了解系統的動作特性后,對plc控制研配液壓機的原理進行了探討,針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃,編制出研配液壓機動作控製程序,在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤程序的植問題。
  5. In the second part, we adopt a few typical error analysis methods, primarily including the relativity analysis and the regression analysis, to analyses the relative error and absolute error of the time error, spatial data error and statistic data error of the raw input data in the model. then, we take each influence factors in the model into the relativity analysis and the regression analysis. finally, we synthesize the results of the above error analysis to figure out the theoretic accuracy of that model as 87 %

    第二部分主要是採用幾種典型的分析方法,主要包括相關性分析和回歸分析,對模型的原始的時間、空間和統計進行了相對和絕對的分析,然後又對模型中各影響因子進行了相關分析和回歸分析,最後綜合以上分析的結果得出該模型的理論精度為87 。
  6. Heat fluxes estimated from radiative temperature by this model is more accurate than other regular corrective methods. two - layer model has been proposed for many years but was difficult to apply in remote sensing because component temperature were unavailable in traditional thermal sensors. a new airborne multi - angular thermal sensor system and retrieved soil and canopy temperatures were used to solve two - layer model, and the simulated heat fluxes show much better accuracy than the results from one - layer model especially above dry surfaces

    雙層模型雖然提出很多年了,但在應用中一直存在信息不足,求解困難的問題,本文用最新多角度熱紅外遙感? ? ? amtis系統反演的組分溫度,首次實現了雙層模型在遙感中的應用,結果表明,在精度相近的情況下,雙層模型模擬的通量遠小於單層模型,尤其在土壤乾旱,表面溫度較高的地表,雙層模型的理論優勢在計算中表現得更加突出。
  7. On the realization of this new scheme, the influence of the fixed - point quantification upon the modified max - log - map algorithm is evaluated. simulations show that : if the input data is 5 bits at length, the unfavorable effect of quantification error is negligible

    在系統實現方面,分析了的定點量化對改進的max - log - map譯碼演算法的影響,結果表明採用5比特量化時,量化對譯碼結果的影響已很小。
  8. The water quality respond relation of input - output measurements are established by systematic theory in this paper. according to the peculiarity of hydrology and the necessity of water quality inverse problem the multi - parameter inverse problem model based on ordinary differential equation is developed. the existence and uniqueness of the solution of the ordinary differential equation about two parameters or multi - parameter are to be proved. the unstability depending on errors between monitoring data and interpolation approximate data are analyzed and demonstrated. cubic spline interpolation function, the least two multiply and positive rule method are conjoined for obtained solution of multi - parameter. the results from this algorithm indicats its efficient to the multi - parameter identification in water quality modeling

    本文應用系統理論,建立了水質多參出之間的響應關系;根河流水文水質變化特點和參反問題的需求,建立了水質常微分方程多參反問題模型.根常微分方程參反問題的學理論,作者給出了兩參和多參水質常微分方程反問題的解的存在性、唯一性的理論證明過程和結論;還針對水質現有監測資料的測驗和插值近似計算造成參反問題的不穩定性,將三次樣條插值函、超定方程最小二乘法和正則化演算法有機地結合使用,成功地給出了水質參反問題的穩定化演算法.最後給出了應用計算結果
  9. Imposing on the abundant fwd test data, a newly pavement intensity assessment standard is come into being. recurring to the program evercalc5. 0, the common rules of backcalculation modulus are introduced, moreover, the influence of instrument measurement error and input parameters are construed. utilizing the characteristics of deflection basin, so that it can assess the intensity of whole pavement structure

    通過對豐富的fwd檢測的分析,提出了全新的路面結構強度評定標準;藉助evercalc反算程序,介紹了模量反算的一般規律,分析了儀器測量對反算結果的影響,利用彎沉盆的幾何特性對路面的整體強度進行評價,並建立了各結構層動模量與靜模量間的相關關系。
  10. The radiation patterns at different scan angle from - 20 to 20 degree are presented, and the angle difference between the maximum / minimum field points of their main beam shows the bse of the radome. at different frequencies, the radiation from the antenna has been discussed when azimuth scan angle ranges between - 20 degree and 20 degree. the relationship between

    200 ~ 200范圍內天線的和方向遠區場、方位方向遠區場;得到方位瞄準、瞄準斜率和功率傳隨掃描角和射波頻率的變化關系;並將所得與文獻進行比較,表明間接射線法簡單、有效且精度較高。
  11. Aees employs the multi - staged digital filter algorithm to reduce random error. meanwile, the system correct zero deviation through linear opreation. the instrument, from hardware aspect increases the feature of anti - interference by the way of reasonable layout, sepration of digital and analogue

    系統採用了中值濾波和滑動平均濾波相結合的多級字濾波演算法來減小隨機,並以精密基準電壓作為比較信號的,由智能系統通過線性運算,實時地修正、校準測量,減小系統的零漂,實現自動定標並提高測量的精度。
  12. The algorithm of strapdown inertial navigation system is also discussed and then use the flight - track generator to give a simulation, since a closed loop feedback integrated navigation system is designed in this paper, and the output of the filter must feed back to the strapdown inertial navigation system, the analysis of the algorithm in strapdown inertial navigation system is important. the scheme to design the trajectory of gps and the simulation of gps constellation are then studied, the simulation of gps constellation is given from the calculation of vernal equinox base on the principle of celestial mechanics, this method of different from other methods given by other paper and is useful to the research of satellite navigation system. a new method to abstract noise modal in integrated navigation system is proved to be useful in practice, this method, which is given by use the principles of stochastic processes, statistics, time series analysis, and system identification, is suitable for the kalman filter in integrated navigation system

    如航跡產生器的設計,該航跡產生器是研究組合導航問題的前提,從國外一些研究組合導航系統的文獻中可以看出,設計這樣一個航跡產生器是非常必要的,所以本文自行設計了這樣一個系統;還討論了捷聯慣性導航系統中捷聯解算的方法,並進行了模擬研究,由於在本文設計的閉環反饋式組合導航系統中,對捷聯慣導系統的平臺進行閉環控制,需要將濾波器出的校正量反饋到捷聯解算內部,所以必須對捷聯解算進行深的研究和分析,更何況捷聯解算問題本身也是導航界的一個熱門研究課題;另外,本文還介紹了gps軌道及其星座模擬的設計思想和方案,與以往gps軌道和星座模擬不同的是本文從天體力學中計算春分點開始,逐步進行gps軌道及其星座模擬,這樣的設計方法對從事衛星導航的研究工作是有價值的;還對組合導航中建模方法進行了研究,綜合運用隨機過程、概率統計、時序分析及系統辯識等方面的理論提出了一套適合組合導航卡爾曼濾波的建模方法,並運用實際研究工作中的測量對該方法進行了驗證。
  13. In mfi, the thesis uses the bottom reflection phase shift as the cost function and the modal wave number as input data. also, it makes errors analysis by the statistical distribution between data errors and parameter errors. there are some new ideas in it

    論文在使用匹配場反演方法反演海底參中以海底反射相移曲線作為代價函,模式波作為,同時利用統計分佈進行分析,具有一定的新意。
  14. In the course of design, we fully consider the actual conditions on the railway and take a series of corresponding measures to the concrete problem. such as we select high - accuracy microconvertor and have the converted function in succession data collecting system chip aduc812, design v / f circuit and external a / d circuit. in anti - interference of the hardware, we try to disperse each function module to avoid interfering each other, adopt photoelectric isolated technology to dispel the circuit connection of input and output. in controlling we import arithmetic mean into strain wave algorithm and real computing technology of virtual value for sample treatment of data, that is using the software to smooth away interfere error and to calculate actual value, thus it makes the precision of the data improve greatly

    在設計過程中,根系統要求,充分考慮鐵路上的實際情況,針對具體問題採取了一系列的相應措施,如在器件選擇方面選用高精度microconvertor系列、具有adcdma連續轉換功能的採集微控制器晶元aduc812 ,設計了v f變換電路和外部a d轉換電路;在硬體抗干擾方面,將每個功能模塊盡量分散獨立開來以避免相互干擾、採用光電隔離技術消除出通道上的電路聯系;在控制方面對于采樣的處理引了算術平均值濾波演算法和真有效值的計算方法,即通過使用軟體來濾除系統中有干擾造成的並計算真值,從而使的準確性得到極大地提高。
  15. In addition, the authors have expatiated on data input, data process, error correct, maps junction, quality examine and map output about operating methods

    對操作方法上處理、校正、圖幅接邊、質量檢查和圖幅出進行了較詳細的闡述。
  16. The dynamic matrix control algorithms based on finite impulse response are studied. the model errors are defined in the form of upper and lower bound and the error square sum of impulse response coefficients of single - input / single - output systems. the robust stability conditions are proposed for closed - loop systems using dmc in the form of lmi, which can assure the closed - loop system using dmc algorithm to be asymptotically stable, when the coefficients of characteristic polynomial do n ' t satisfy jury ' s dominant coefficient lemma

    浙江大學博士學位論文4 .研究了基於脈沖響應模型的動態矩陣預測控制田mc )演算法,針對單、單出系統可能出現的預測模型,分別以脈沖響應系上下界和脈沖響應系平方和的形式對預測模型的模型進行定義,根該定義以線性矩陣不等式的形式分別提出了閉環系統魯棒穩定判,當閉環多項式系不能滿足j切嘆主系定理的情況下仍能保證系統閉環穩定。
  17. Illumination system construction of computer vision system is studied and a double line space crossing illumination system is built, which results in effective settlement of disparity between illumination system and image acquisition in moving object testing problem. data accuracy when using three cameras to capture information is further researched, and three cameras system error module and calibration method are determined

    針對視覺環境中光照系統的構建問題,確定了雙列交叉空間光照視場,有效的解決了動態目標檢測中,光照系統環境與攝像機圖像採集的一致性問題;對三臺攝像機採集信息過程中的精確性問題進行了深的分析,確定了三臺攝像機之間系統分析模型、及標定方法。
  18. White noise acting as inspirit signal, the experiment data is collected. utilizing these data and error back propagating identification method, different neuron and input - output delay are selected. by comparing approximation ability and generalization ability, the neural networks model in position mode and velocity mode is identified

    並以模擬白噪聲為激勵信號,收集了;利用實際收集的,採用反傳的辨識方法,選擇不同神經元及出延時量的模型,通過比較網路的逼近能力和泛化能力,辨識得到了位置和速度兩種工作模式下的方位通道的神經網路模型。
  19. At first, the data surface is partitioned into small blocks, and points in each block are reorganized into error - controlled lods by hierarchical clustering and lod organization

    首先對模型進行分塊處理,獲取的每一分塊分別建立控制下的多解析度結構。
  20. The bic method generalized from ar model was adopted to determine the number of input neurons in grnn prediction model. the grnn was applied to single - step and multi - step ahead prediction of the vibration time series of a rotating machine, and its performance was compared with that of 3 - layers perceptrons network with error back propagation training algorithm ( bpnn ). it is indicated that the grnn is more appropriate for prediction of time series than the bpnn, and the performance of grnn is qualified even with sparse sample data

    研究了基於廣義回歸神經網路( grnn )的大型旋轉機械振動狀態預測,提出了應用bic準則確定grnn預測模型神經元目的方法,將grnn用於大型機組振動峰?峰值時間序列的預測,與採用反向傳播學習演算法的三層前饋感知器網路( bpnn )的預測結果對比表明, grnn的預測性能優于bpnn ,而且,即使樣本稀少,也能獲得滿意的預測結果。
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