prediction errors 中文意思是什麼
-
Based on the analysis of the characteristics of the raw mix slurry preparing process in alumina sintering production process, firstly, a mechanism model based on material balance principle was established as the master - rule model for the quality prediction ; secondly, considering the problem that the alkali liquor composition was unstable and its real - time measurement was difficult, a nn ( neural networks ) prediction model for the prediction of the alkali liquor composition was set up and nesting - integrated with the mechanism model ; finally, using the gray theory for the information mining from the errors of the mechanism model, a gm ( 1, 1 ) compensation model was put forward and parallel - connection - integrated with the mechanism model, achieving a raw mix slurry quality prediction model
摘要針對燒結法氧化鋁生產過程中生料漿配料工藝的特點，根據物料平衡的原理建立機理模型，作為生料漿質量預測的主規律模型；針對堿液成分波動大且難以實時檢測的問題，對堿液成分含量建立了神經網路預測模型，並和機理模型進行嵌套集成；利用灰色理論對機理模型的偏差數據進行信息挖掘，建立了gm （ 1 ， 1 ）補償模型，並與機理模型進行並聯集成，獲得生料漿質量預測模型。 -
The extensive use of prediction and variable - length coding in video coding renders compressed bitstreams especially vulnerable to transmission errors and data losses. based on detailed analyses of mc - dpcm / dct mechanism, several error detection, resilience, concealment methods are discussed in this paper
本文在分析mc - dpcm dct壓縮視頻特點的基礎上研究了各種誤碼檢測方法，並詳細討論了編碼端的誤碼容錯、傳輸層差錯控制、解碼端的失真屏蔽以及編碼器和解碼器交互的差錯控制方法。 -
To limit the predicting precision loss in a certain range, author presented a method of bayes modeling and predicting for dynamic errors based on standard value interpolation at intervals during the multi - step prediction after consulting a lot of papers at home and abroad
為將預報精度損失控制在一定的范圍之內，作者在查閱了國內外大量相關文獻之後，提出了基於標準量插入的動態測量誤差的貝葉斯建模預報理論，並根據貝葉斯理論給出了預報值的不確定度。 -
The current dendritic growth theory is modified so as to be applicable to ice dendritic growth under high undercooling conditions. experimental measurements are in agreement with the theoretical prediction at small undercoolings but exhibit some deviations at large undercoolings due to systemic errors
實驗測定了不同過冷度下冰枝晶的生長速度，並且改進了冰枝晶的生長理論，使之更符合大過冷度時的枝晶生長情況。 -
Then, sage adaptive filtering usually used in kinematic gps navigation and positioning and its shorcoming are analyzed. the weights of measurement residuals and state correction residuals are modified according to the self - correlation property of colored noise and robust estimation. the procedure of weighte d prediction of covariace matrix not only resists the influence of outlying kinematic model errors, but also controls the effects of measurement outliers
然後，分析了目前常用於有色噪聲處理的sage自適應濾波及其在動態gps導航定位應用中的缺陷，並依據有色噪聲的自相關特性和抗差估計調整觀測殘差和狀態改正數的權比，再通過加權預報控制殘留在其中的異常對協方差矩陣自適應估計的影響。 -
And the dynamics model with different experiment data has further been validated to show a high degree of fitness in case of prediction and observation with the less average relative errors
模型的檢驗結果表明，模擬值與觀察值之間具有較高的符合度，平均相對誤差較小。 -
The numbers of the training sample of the networks are 37, 32, 27, 22 and the numbers of the test sample are 5, 10, 15, 20, respectively, and the relative errors of the predications are less than 3 %. it is shown that the rough network is accurate and available for prediction of stock market
訓練樣本集的天數分別是37天， 32天， 27天和22天，預測樣本集的天數分別是后5天， 10天， 15天和20天，預測的相對誤差都小於3 。 -
This filter is a combination of adaptive ud decomposition kalman filter with quad method. it use quad method to detect and correct the gross errors in observations, use ud decomposition technique to improve computation precision and overcome the instability of filter caused by instability of values, when divergence of kalman filter had been detected, an adaptive filter is employed to adjust the prediction error covariance matrix
該法用擬準檢定法準確地探測和修正量測方程中存在的粗差；用ud分解演算法改進了計算精度，克服了由於數值不穩定帶來濾波的不穩定性；當判斷濾波器發散后，則啟用sage自適應濾波器，調整預測誤差方差，以克服濾波器的發散。 -
They can benefit from a combination of word prediction, speech output and speech input to generate text when stuck with spelling and word forms, identifying errors, proofreading and editing. such users may find it difficult or impossible to use other speech recognition products because of reading demands and complexity
Speakq的特色是它提供了一個簡明的語音辨識訓練界面，它會通過語音引導用戶該說什麼，用戶只需簡單地重復計算機的語音提示即可輕松完成訓練過程。 -
Linear singular vector represents the direction that initial errors increase fastest during the validity period of tlm. lsvs can be used to construct initial errors in an ensemble prediction system
對于某一給定的范數，在所考慮的時間段內，線性奇異向量代表初始誤差線性增長最快的方向。 -
Finally, this paper analyzes and studies tracking errors and shooting prediction which are calculated by the fire - control system, and brings forward the solutions for reducing errors by comparing with experimental curves and the tracking precision may be increased efficiently
最後，本文對火控模擬系統的跟蹤誤差和射擊提前量進行分析研究，通過對比分析變化曲線，提出了幾點減小誤差的解決措施，有效提高了跟蹤精度。 -
Finally, the prediction it gives is an estimated range, rather than a specific point estimate, and more accurately reflects forecasting errors
此外，這個模型給出的是一個預測范圍而不是一個特定的預測點，因而能更準確的反映預測誤差。 -
A linear state - space model is modeled for the system identification and prediction at the tangent space of working point. the errors of modeling and
在局部的切空間上對系統進行線性建模和預測，同時利用在線學習的神經網路補償局部線性模型的建模和預測誤差。 -
The result shows that the efficiency and precision of prediction for clean data are satisfactory. although there are some errors in the prediction of noisy and chaotic data, the result is acceptable
實驗結果表明，當數據無噪聲時，預測效率與精度都非常高；在處理帶噪聲，並呈現混沌特性的數據時，雖有一定的誤差，但預測結果還是在可以接受的范圍內。 -
Moreover, we use prediction coding process to achieve high compression efficiency, error data still cause errors to propagate in the temporal direction
而且，由於編碼器利用幀間預測來降低數據量，導致錯誤數據又會在時間域上進行擴散。
分享友人