propagation of error 中文意思是什麼

propagation of error 解釋
誤差傳播
  • propagation : 持續培養
  • of : OF =Old French 古法語。
  • 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. According to the geometry of slope measurements for the subjective wavefront optometer, a wavefont reconstruction model using zernike polynomial with normalization factor is put forward. based on householder transformation and gram - schmidt orthogonalization method, two methods for working out unknown zernike coefficients are bring forward. the error propagation parameter for the wavefront reconstruction model is deduced

    深入研究了帶標準化因子的zernike多項式的性質;針對主觀式像差儀波前斜率采樣方案,提出了採用帶標準化因子的zernike多項式對眼測試波前進行重建的數學模型;提出了兩種求解方法,即基於householder變換求解法和基於gram - schmidt正交化求解法,用於確定重建模型中的未知模式系數;推導出了該波前重建模型對斜率測量誤差的傳遞系數。
  2. Undershooting error propagation in two kinds of displacement - control modes

    兩種位移控制模式下的下沖誤差傳播
  3. Neural network control is an important mode of intelligent control, and it is widely used in branches of control science, first, the architecture and the learning rule ( error back propagation algorithm ) of multiplayered neural network which is widely used in control system are presentedo especially, the paper refers to the architecture of diagonal recurrent neural network and its learning algorithm - - - - - recurrent prediction error algorithm because of its faster convergence with low computing costo next, before introducing the neural network control to the double close loop dc driver system, the controllers of current and velocity loop are designed using engineering design approach after analysis of the system, simulation models of the system are created

    神經網路控制是智能控制的重要方式之一,它廣泛應用於自動控制學科各個領域。本文首先敘述了控制系統中常用的多層前饋網路結構及演算法( bp演算法) ,特別提及了能夠較好描述系統動態性能的對角遞歸神經網路和在用遞推預報誤差演算法訓練drnn時取得了較快的收斂速度。其次,應用工程方法分析設計了tf - 1350糖分離機的電流、轉速雙閉環直流調速系統的控制器,作為引入神經網路控制的設計基礎,並建立了系統的模擬模型。
  4. The propagation law also exposures that less selection of endmember would lead to blunder model error, but over selection of endmember is still unbiased estimation of abundances

    數值模擬結果表明混合像元分解精度與端元類內變化的方差存在負相關的特點。
  5. It has good computational cost because of avoiding any inverse operation and optimal ordering. it also utilizes double - directional detection and diversity combine technology to migrate the error propagation, and then improve the ber performance

    它不需要進行任何形式的矩陣求逆運算和最優信號排序操作,因此具有良好的演算法復雜度,同時它利用雙向檢測策略與分集合併技術來抑制誤差傳遞,提高了演算法的檢測性能。
  6. But the original blast algorithm has a very high computational cost because of the nulling and cancellation step. on the other hand, the algorithm also needs an optimal detection ordering to restrain the effect of error propagation and improve the detection reliability

    常規blast演算法由於需要進行大量的線性迫零(矩陣求逆)和串列符號刪除等運算,計算復雜度非常高,另一方面,演算法還需要尋找最優的信號檢測順序來消除誤差傳遞的影響。
  7. By the definition of incremental error quaternion in the propagation equation of the full rank covariance matrix is derived, consequently the singularity of the covariance matrix caused by the constraint on the quaternion normalization is maintained

    並且通過定義增量誤差四元數,推導出滿秩空間中誤差協方差陣的傳播方程,解決了由於四元數正交約束所造成的協方差陣奇異性問題。
  8. Based on the historical space forecast data and corresponding actual data provided by a global semiconductor assembly and test company, the uncertainty of space planning was defined. during this analysis process, linear regression, grey prediction, neural network back propagation algorithm and confidence interval were applied, respectively, to define the uncertainty. compared with those methods, the confidence interval of historical space forecast error, calculated by mathematical statistics, was the reasonable method to define the space forecasting uncertainty

    本文從半導體工廠長期生產能力計劃的頂層即廠房生產面積的計劃展開,對一跨國半導體封裝測試公司提供的廠房生產面積的長期歷史預測數據以及對應的真實數據進行分析,採用線性回歸,灰預測,神經網路bp演算法,基於數理統計的置信區間的求解等方法分別定義廠房生產面積預測的不確定度,經多種方法的比較得出,基於數理統計方法求解出的生產面積歷史預測誤差置信區間能直觀清楚地標定不確定度。
  9. Research of error resilience technology for video communication based on h. 263 codec major : signal and information processing data : author : meng yan signature : tutor : zhang erhu liu shichang signature : abstract the reconstructed image quality can be degraded substantially by errors during the transmitting over the communication channel, especially when the video is compressed by temporal and spatial coding ways, which leads to error propagation in frame sequence, so the error resilience procedure should be performed to improve the reconstruction quality

    由於通信系統的通道不可避免的存在噪聲,傳輸數據流必然存在誤碼。對于h . 26x的視頻編碼流,由於空域和時域的壓縮方法以及熵編碼方法的應用,即使是一個比特的錯誤,常會影響一個區域的圖像不能正確解碼,同時錯誤的圖像還會擴散影響后續數幀圖像。因此有必要在標準解碼程序的基礎上,添加容錯功能。
  10. Taking the evaluation criterion of lake nutrient states as sample pattern, the network was trained in the light of learning rule of error back propagation network

    將湖泊營養狀態評價標準作為樣本模式提供給網路,按照誤差逆傳播網路的學習規則對網路進行訓練,經過39925次學習后,網路達到預先給定的收斂標準。
  11. The error analysis of linear spectral mixture model based on error propagation law and value simulation has investigated to exposure their relationships

    摘要從誤差傳播理論的角度,分析了多選端元光譜、漏選端元光譜以及端元內部光譜變化等情況與混合像元分解精度之間的關系。
  12. Firstly, we improve the algorithm for fast convergence of back propagation by enlarging error in the research of bp network

    首先,在bp神經網路的研究中,對基於誤差放大的快速bp演算法作了改進。
  13. Error back propagation network is one kind of ann and it ' s widely used in economics prediction

    誤差反向傳播網路( ebp網路)是人工神經網路的一種,它被大量運用在經濟學的預測問題上。
  14. In the stage of training, nntcs applies labeled documents to ann for training, and the error back propagation algorithm ( bp ) is employed to adjust weights of the networks. after training, the final fixed weights are saved as knowledge of classification

    在文本訓練的時候,利用標記好的訓練文檔集進行網路訓練,誤差反饋演算法對網路進行權值調整,得到固定的權值作為分類知識存儲。
  15. Chapter four details the basis of the modeling of the thesis - - error back propagation algorithm, or bp, which is the stress of the thesis

    2005年4月末,金融機構個人貸款余額達到27043億元,比上年同期增長了57 % ,呈現了快速發展的態勢。
  16. Within the limits of experimental error, this was equal to the measured speed of propagation of light.

    在實驗誤差范圍內,這數值等於光的傳播速度的測量值。
  17. In this thesis, we review the joint source and channel coding firstly, introducing fundamental theories, design methodologies, and practical applications. secondly, an approach is presented for improving arithmetic coding by embedding hamming distance. the approach prevents error propagation of the arithmetic coding

    作者在對算術編碼做了深入研究的基礎上,運用漢明距離對其加以改進,使算術編碼具有了較好的糾錯能力,克服了算術編碼易受傳輸錯誤的影響,使其適用於通道干擾較大的場合。
  18. Secondly, it provides some arithmetic and positioning methods used in the network - based navigation system and simulation outcomes. then, the paper analyses some errors of network - based navigation system. it studies error propagation of relay positioning and gives simulation results

    然後給出了網路化導航的定位方法和演算法,並結合具體演算法進行了定位模擬計算;接著對網路化導航誤差進行了分析,研究了接力定位的誤差傳遞情況並進行了模擬和結果分析。
  19. On the basis of error propagation theory, the precision of quality control points of jacket is studied and the precision specifications are derived from general dimensional tolerance in jacket fabrication

    摘要文章根據誤差傳播理論,對導管架質量控制點本身的精度進行探討,並由導管架製造完工尺寸公差要求,導出控制點應達到的精度指標。
  20. It solve the question of hidden layer learning rule that utilize the method of error back propagation

    其採用誤差反傳的特性解決了隱層引入以後的學習問題。
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