鍵取數法 的英文怎麼說
中文拼音 [jiànqǔshǔfǎ]
鍵取數法
英文
keyed access method-
The digital computer protction ' s reliability, sensitivity and instancy mainly depend on the digital filter and protection algorithm
微機保護的安全、可靠、靈敏、快速,關鍵取決于數字濾波和保護演算法。Second, it presents the project design of an astronauts ’ kinetic measurement system that can precisely measure the forces and moments of key points on motorial person. it presents a principle and flow of the project design of an astronauts ’ kinetic measurement system. and it particularly discusses the demarcate of camera system, the gathering and storage of experiment pictures, pick - up of the symbol data, the parameter calculating method of target movement, and the general design of assistant equipment
然後給出航天員作用力測量實驗系統的設計方案,該系統能夠克服重力影響,較精確地得出運動時人體各關鍵點產生的力和力矩;給出了航天員運動參數測量實驗系統的原理及流程,並詳細論述了攝像系統標定,實驗圖像的採集與存儲,標志點數據的提取及目標運動參數解算的方法;給出了輔助設備的概要設計。3 ) pca - bp, the approach combining statistic theory and neural network technique, is systematically analyzed. ad hoc approaches for choosing some key parameters of the model are presented
3 )本文在系統分析了基於pca - bp的建模原理后,對人工神經網路模型的關鍵參數即隱層節點數的確定作了較為深入的探討,總結出了比較有效的取值方法。The former part, with the analysis and research of the meaning and the extension and the characters of industrial design, demonstrates the possibility and inevitability of applying computer and internet to aid industrial design and illustrates the state - of - the - art and usual technology. by analyzing the new development and new requests of caid ( computer - aided industrial design ) technology, the article raises the possibility and inevitability of developing internet - based icaid ( intelligent caid ) system, presuming the models and methods and illustrating the key technology of building iicaid, which includes extracting the knowledge of design and the knowledge of user and building the correlative model and studying and developing internet - based cooperative work of form design and the design and realization of software and hardware of iicaid system. finally with analyzing and summing up the correlative knowledge of design and the knowledge of user in nc machine tools form des ign and concluding and researching the results of the correlative experiments, the article raises and explains the researching points and key technology
論文分為上下篇,上篇通過對工業設計內涵、外延的分析和研究,提出了運用計算機、網際網路等智能機器、信息技術輔助工業設計的可能性和必然性以及目前的發展狀況和一般技術;分析了目前caid技術的新發展和新要求,提出了發展基於網路的智能化caid系統的可能性與必然性,並大膽推測了實現的方法和模型;歸納建立iicaid系統所需的關鍵技術,即工業設計的領域知識和用戶知識的提取及建立模型;網路協同造型設計的規劃、集成和優化;系統的軟硬體設計和完成;最後,通過對數控機床造型設計相關領域知識的分析和整理,以及相關的實驗的總結和研究,提出和解釋了在數控機床造型設計中運用iicaid技術的研究重點和關鍵技術。A solution is proposed to apply the traditional criminal profiling method to digital evidence analysis research. based on association rule data mining technique, a method called cb - pide was designed. this method can focus on the investigating space and dig out the potential abnormal behavior
本文將傳統犯罪取證研究中的犯罪輪廓構建技術的基本思想和方法應用計算書l取證方法關鍵問題研究于計算機犯罪證據分析的研究中,提出電子數據證據犯罪行為輪廓( criminalbehavio : profilinginnigitalevidenee ,簡稱cb一pide )分析方法。It can dynamically determine the structure information need to index according to real query loads and opti mization of index. second, to consider the effects of structural information on result relevance ranking, this dissertation proposes a ranking algorithm that consider both the frequency distribution and structural distribution of keywords in the result, and a dynamic element - oriented method to compute the weight of keywords
第二,為考慮xml數據中的結構信息對查詢結果相關度值的影響,本文提出了一種綜合考慮關鍵字頻率分佈特徵和結構分佈特徵的查詢結果相關度演算法,以及一種基於節點的關鍵字權重計演算法,取得了更優的檢索性能。Another highlight of the architecture is introduction of data mining technique. ids makes use of data mining algorithms to abstract key features of system runtime status from security audit data such as system log and network data stream, and then constructs classify engine of audit data
本文提出的體系結構中還引入了數據挖掘思想,利用數據挖掘技術中的關聯分析、分類等演算法從系統日誌、系統調用序列、網路流等海量的安全審計數據中提取關鍵的系統特徵屬性,根據這些屬性生成安全審計數據的分類模型用於入侵檢測。The key parameters of oil - shale resource appraisement and its evaluating methods
油頁巖資源評價關鍵參數及其求取方法Liquid - solid extrusion of composite material is a new kind of metal forming process, which has been developed in recent years with a promising practical application prospect for its simple working procedure, low cost and good workpiece performance. through a lot of experiments, the optimization and chosing method of key process parameters ( pouring temperature, mold warm - up temperature, impregnating pressure, impregnating time ) has been mastered. under the precondition of appropriate chosing these parameters, the effective control of extrusion velocity is the key of mading good workpiece. but the control of extrusion velocity remains a handwork, and it is heavily affected by such uncertainties as a handler ' s knowledge and skill about the process. in order to solve the problem, the automatic control of the extrusion velocity is studied, and a computer control system is also designed under existing condition
通過大量實驗,已掌握了關鍵工藝參數(熔液澆注溫度、擠壓模預熱溫度、浸漬時間、浸漬力)的優化選取方法。在合理選取關鍵工藝參數的前提下,擠壓速度的控制是成形出質量良好製件的關鍵。但是,目前對于擠壓速度的控制仍停留在手動控制階段,利用該工藝制備管、棒材製件的成功與否受操作者對該工藝及其設備的經驗及熟練程度等不確定因素影響很大。Real time seafloor tracking technique is the critical technique to ensure smooth seafloor surveying with full coverage and high efficiency. after detailed investigation on stochastic features of seabed reverberation produced by mbss systems, the author presented an algorithm and a set of relevant key coefficients for real time seafloor tracking, taking into account of characteristics of signal processing and timing sequence of the real system and introducing theorems of terrain surveying. as an achievement, a mathematical model was established based on the technique of centered filtering
海底地形實時跟蹤技術是保證多波束測深系統實現高效率全覆蓋水下地形測量的核心技術,作者通過對多波束測深系統海底回波信號統計特性的研究,依據地形測量理論,並結合實際系統信號處理的技術特點和處理時序,提出了實現海底跟蹤控制的關鍵參數及計算方法,建立了基於中值濾波技術的海底地形實時跟蹤數學模型,並開發出實時地形跟蹤專家系統,該系統經多次海上實驗驗證表明:理論正確、方案可行,取得良好效果。The optimization model of the cable tensile force is established, resolving the ideal finished state of considering syntheticly the requirement including the dead load, active load and presress of structure, meanwhile, providing a forward - calculating method for determining the rational construction state on the foundation of the optimization model. on the other hand how to determine and adjust the important parameter, the cable midst tensile forces and the main feam form setting levels in constructing cable - stayed bridge, has also been analyzed, besides, the corresponding calculation method is introduced and applied to the actual construction controlling of xian tao han jiang highway bridge well
本文以仙桃漢江公路大橋為工程背景在斜拉橋設計計算方面進行了的研究,建立了斜拉橋索力優化模型,一方面解決了能綜合考慮結構恆載、活載及預應力等多方面因素的理想成橋狀態確定問題;另一方面在確定合理施工受力狀態問題上提出了一套以索力優化模型為基礎的正裝計演算法。同時對斜拉橋施工中關鍵參數斜拉索中間索力和主梁立模標高的確定和調整做了進一步的分析,提供了相應的計算方法,並應用於仙桃漢江公路大橋施工控制過程中,取得了良好的效果。In vsam, a collection of items used to sequence and locate one or more data records in a base cluster. each alternate index record contains an alternate key value and one or more pointers. when the alternate index supports a key sequenced data set, each data record ' s prime key value is the pointer. when the alternate index supports an entry sequenced data set, the data record ' s rba value is the pointer
在虛擬存儲存取方法( vsam )中,用於定序和定位基簇中的一個或多個數據記錄的項的匯集.每個備用索引記錄包含一個備用關鍵字的值和一個或多個指針.當該備用索引支持某個關鍵字順序數據集時,每個數據記錄的主關鍵字值就是這種指針.當該備用索引支持某個輸入順序數據集時,該數據記錄的rba (相對位元組地址)值就是這種指針Study application methods of the multi - sources data in map production, including sort of sources, data collection, and data processing, in order to updating the map and spatial data in one platform. put forward the new sort of spatial data error based on production. the artificial operation error is the main affection part on spatial data quality
在地圖內容增加和修改時,屬性信息和符號化圖形始終一同變化,保證了在地圖生產的同時又完成空間數據生產或更新,這成為一體化生產模式的第二個關鍵;對地圖生產中的多源數據利用作了較為全面的研究,包括資料分類、數據獲取方法和數據處理方法。This conclusion is useful to optimize the converter. then it is proposed that the effects of retraining bias - magnetic and reducing the voltage stress of mosfet should be both considered in selecting the clamping capacitance
本文提出對于推挽正激的關鍵參數? ?箝位電容的選取要綜合考慮對偏磁的抑制作用和對功率管尖峰的抑制作用,並給出了選取方法。Since the random selection of radius sometimes results in the problem such as the slow learning speed, we propose a center selection method based on the statistic information of the training set. i apply this method to the credit approval prediction, the result indicates the effectiveness of this - method.
基函數的中心選取問題是rbf網路應用的關鍵因素,本文採用最近鄰學習演算法確定基函數的中心,針對rbf網路通常所採用的隨機選取半徑往往導致網路訓練速度慢等問題,提出了基於樣本統計的中心選取方法。Study the principle and formula derivation of fuzzy - similarity - comparison quotation method, some critical technique such as elemental composition and elemental weights in the parts feature set, normalizing data, selecting similar samples, and so on
模糊相似比較法的原理、公式推導過程,及工件特徵集合中各元素的構成和權值的選取、數據規格化和相似樣本的選取等關鍵技術。Firstly, the theory and characteristic of comgis is studied. secondly, the key techniques, such as map digitalization, autocad dxf file conversion, computational gridding, methods for interpolation, the 3d terrain visualization, and the results correction, are introduced. and lastly, a framework on numerical modeling is implemented and applied in a practical research work on coastal engineering
本文首先介紹了組件式地理信息系統的原理和特點;接著重點討論了前處理過程中各種關鍵的技術,包括地圖數字化技術、數字地圖數據讀取方法、計算網格生成技術、插值方法的選取、地形可視化技術以及計算結果修正方法等;最後本文提出了前處理系統的設計框架,並結合一個海岸動力數值模擬的研究實例,討論了前處理系統的具體應用。The data obtained by different approaches have different characteristics. the key technologies and feature extraction are analyzed. at first, the function frame model of data processing is established to guiding the whole research project
本文研究了數據獲取的不同方法和獲取數據的不同特點,分析了逆向工程中的數據處理各項技術,並著重研究了數據濾波、數據精簡、多視拼合技術等關鍵技術,建立了數據處理的整體功能框架模型。Aiming at the characteristics of seismic data from complex fault blocks in zhongyuan oilfield, the selection of key parameters in pre - stack migration and migration approaches were meticulously studied
針對中原復雜斷塊區地震資料的特點,對速度場的建立、疊前偏移中關鍵參數的選取以及偏移方法展開了深入細致的研究。Main content of this paper around research and development on " the inputing expressway maintain datum system whih pda ", it explains emphatically the key technology and implementation method how to utilize pda inputing expressway maintain data and realizing that pda datum in pace with desk - top database and finally realize inputting the maintain datum once only, discusses the method obtaining space data and making electronic map, introduce some background knowlege of embedded system and the knowledge of the embedded move database, embedded gis technology, etc.
本文的主要內容圍繞「高速公路養護數據pda錄入系統」的研究與開發,著重闡述了利用pda錄入高速公路養護數據,並實現將pda數據與桌面數據庫同步,最終實現一次性錄入養護數據目的的關鍵技術及實現方法,討論了空間數據的獲取方法及矢量電子地圖的製作,介紹了嵌入式系統的一些背景知識,嵌入式移動數據庫知識,嵌入式gis技術等。分享友人