precision uncertainty 中文意思是什麼

precision uncertainty 解釋
精確度
  • precision : n 精密，精確性；嚴格；精密度；【修辭學】精確。 arms of precision 裝有瞄準儀的槍炮。adj 精確的，精...
  • uncertainty : n. 1. 不確定，不確實，易變；不可靠；含糊。2. 不確實知道，半信半疑。3. 【物理學】測不準性。
  1. The uncertainty principle of quantum mechanics states that both the position and the momentum cannot simultaneously be known with infinite precision at the same time

    既是位置又是動量的量子力學態測不準原理在同一時間以無限精確不能同時被知道。
  2. Precision pricing credit derivatives is its one of preconditions of exertion of efficiency of financial. pricing credit derivatives must at first choose the measure model of credit loss, default model of credit event, the model of rate of recovery payments and the uncertainty of mean of default rate. second, it is critic to choose one of structural model, intensity model and hybrid model for pricing credit derivatives

    合理定價信用衍生品是其發揮金融效率的前提之一，定價信用衍生品必須首先考慮信用損失的計量範式、信用事件的違約範式、殘值率的模型化方式和違約率均值的不確定性等方面；其次，還要確定具體的定價模型方式：結構化模型、強度模型或"雜合方式" 。
  3. The evaluation of uncertainty in improving precision by adjusting the spectrometer twice

    分光計二次調整法提高三棱鏡頂角測量精度
  4. In some projects charged by our lab such as national 863 project - " crop planting management components based on weather analyse ", anhui provincial 95 key project - " agricultural meteorology disaster evaluation system base on gis in anhui province " and the project " small coal mine security management and decision system based on gis in anhui province ", this paper combines the theory and arithmetic of rough set with gis and data mining in idss, investiges the application of rough set theory to precision analysis of attribute data and logical operation in gis, analyzes the logical operation based on rough set ( logical union, logical intersection, logical complement, mixed logical operation etc. ), so that it can give a method y to research the gis attribute data and the uncertainty of attribute data after superposition operator, so as to express the roughness and illegibility of attribute data more accurately

    在完成試驗室所承擔的國家863項目「基於氣象分析的農作物種植管理軟構件」 、省95攻關項目「基於gis的安徽省重大農業氣象災害測評系統」和「基於gis的安徽省小煤礦安全管理決策系統」等項目中，將粗糙集理論和演算法與gis 、智能決策系統中的知識發現等相結合，對粗糙集理論在gis屬性數據和邏輯運算精度分析中的應用情況進行了研究，分析了基於粗集的gis邏輯運算（邏輯並、邏輯交、邏輯補、混合邏輯等） ，從而為研究gis屬性數據及其疊加運算后屬性數據的不確定性提供了一種方法，能比較準確地表達屬性數據的模糊性和粗糙性。
  5. Abstract : with simulated annealing approach based on simple method, the dynamic system of some submarine - launched missile carrier s water trajectory is identified, and the effects of no - modeling uncertainty and dimension of parameters to be identified on overall identification precision are investigated

    文摘:運用基於單純形的模擬退火演算法對某潛射導彈運載器水彈道動力學系統進行了辨識，並探索了未建模不確定性及待辨識參數矢量的維數對辨識精度的影響。
  6. Through uncertainty analysis, the testing precision of quenched rail surface hardness has met the requirements 1 hrc of measurements in production, and the testing example is given

    經不確定度分析，達到了工業上淬火鋼軌踏面硬度檢測1hrc精度的技術目標，並給出了測試實例。
  7. Firstly, influence factors of generalization of neural network are presented in this thesis, in order to improve neural network ’ s generalization ability and dynamic knowledge acquirement adaptive ability, a structure auto - adaptive neural network new model based on genetic algorithm is proposed to optimize structure parameter of nn including hidden layer nodes, training epochs, initial weights, and so on ; secondly, through establishing integrating neural network and introducing data fusion technique, the integrality and precision of acquired knowledge is greatly improved. then aiming at the incompleteness and uncertainty problem consisting in the process of knowledge acquirement, knowledge acquirement method based on rough sets is explored to fulfill the rule extraction for intelligent diagnosis expert system, by completing missing value data and eliminating unnecessary attributes, discretization of continuous attribute, reducing redundancy, extracting rules in this thesis. finally, rough sets theory and neural network are combined to form rnn ( rough neural network ) model for acquiring knowledge, in which rough sets theory is employed to carry out some preprocessing and neural network is acted as one role of dynamic knowledge acquirement, and rnn can improve the speed and quality of knowledge acquirement greatly

    本文首先討論了影響神經網路的泛化能力的因素，提出了一種新的結構自適應神經網路學習演算法，在新方法中，採用了遺傳演算法對神經網路的結構參數（隱層節點數、訓練精度、初始權值）進行優化，大大提高了神經網路的泛化能力和知識動態獲取自適應能力;其次，構造集成神經網路，引入數據融合演算法，實現了基於集成神經網路的融合診斷，有效地提高了知識獲取的全面性、完善性及精度;然後，針對知識獲取過程中所存在的不確定性、不完備性等問題，探討了運用粗糙集理論的知識獲取方法，通過缺損數據補齊、連續數據的離散、沖突消除、冗餘信息約簡、知識規則抽取等一系列的演算法實現了智能診斷的知識規則獲取;最後，將粗糙集理論與神經網路相結合，研究了粗糙集-神經網路的知識獲取方法。
  8. In the new method the uncertainty of the system to be controlled is normalized firstly, and then the partition of unity that is subordinated to a open covering of state variables compact set is constructed, and the approximation is realized by using its property that can approximate nonlinear continuous function with arbitrary precision, then the decentralized adaptive robust controller of complex systems and adaptive laws of approximate parameter estimation are designed

    該方法首先對被控系統中的不確定性進行歸一化處理，進而構造出從屬于狀態變量的緊致域的一組開覆蓋的單位分解，利用其具有以任意精度逼近非線性連續函數的性質，實現了對被控系統不確定性的近似逼近，然後設計了復雜系統的分散魯棒控制器和參數估計的自適應律，並證明了這種控制器使被控系統的狀態及參數估計誤差一致終極有界。
  9. Measuring uncertainty verification of 0. 25 precision pressure gauge and 0. 5 pressure transmitter

    5級壓力變送器的測量不確定度評定
  10. This means that early in projects when uncertainty typically is large, plans and associated estimates need to focus on big - picture planning and estimates, rather than aiming at providing 5 - digit levels of precision when there are none

    這意味著在項目的早期，不確定性很大的時候，計劃和相關的估計應集中於全景的計劃和估計，而不是著眼于在什麼都沒有的情況下提供精確到五位的數據。
  11. Simulation results show that our algorithm is of high tracking precision and is robust to the uncertainty of the clutter environment and multiple targets

    模擬結果表明：這種方法具有較高的跟蹤精度，對雜波多目標環境具有很好的魯棒性能。
  12. However, it is necessary to research the geographic information uncertainty, because the precision of analysis and expression in gis lies on this uncertainty in a way. therefore, the research of geographic information uncertainty is an important research field of gis ' s basal theory

    然而，對于地理信息不確定性的研究卻是相當必要的，因為它在很大程度上決定了gis中對于地理實體的表達和分析的精確程度，所以對于地理信息不確定性的研究是gis基礎理論中一個重要的研究方面。
  13. Early development activities should aim at driving out uncertainty to gradually enable increased precision in planning

    早期開發活動的目標應是找出不確定性來逐漸在計劃中提高精確性。
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