域關系演算 的英文怎麼說
中文拼音 [yùguānxìyǎnsuàn]
域關系演算
英文
domain relational calculus,drc- 域 : 名詞(在一定疆界內的地方; 疆域) land within certain boundaries; territory; region
- 關 : Ⅰ動詞1 (使開著的物體合攏) close; shut 2 (圈起來) shut in; lock up 3 (倒閉; 歇業) close down...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 演 : 動詞1 (演變; 演化) develop; evolve 2 (發揮) deduce; elaborate 3 (依照程式練習或計算) drill;...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 演算 : perform mathematical calculations; calculation; calculus演算器 exerciser
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First, this dissertation gives a geometrical projection - based 3d warp algorithm, which has proved the feasibility to bring the studying method of ibr into geometry models - based modeling and rendering. it is an all - purpose algorithm, which can perform coordinate warping under different projection for scene and object models, and, this algorithm can perform color warping according to lighting characteristics
演算法的提出證明了將圖像繪制的研究方法引入幾何繪制領域的可行性,演算法通用性好,對場景模型與對象模型均能夠依據不同的投影關系進行圖像的坐標變換,同時,演算法還能夠依據光照特性對象素點顏色值進行變換。In this paper, we study focus on building intrusion detection model based the technique of data mining ( dm ). firstly, the paper designed a scheme to modeling intrusion detection based dm and bright forward the idea of descriptive model and classified model to intrusion detection. secondly, we designed and implemented a net data collection system with high performance and a scheme to pretreat net data. thirdly, after studying the algorithms to mine association rule and sequence rule in net data, we extended and improved the algorithms according to the characteristic of net data and the field knowledge of intrusion detection
首先設計了基於數據挖掘技術的入侵檢測建模方案,提出使用該技術建立入侵檢測描述性模型和分類模型的思想,並用分類判決樹建立了入侵檢測分類模型;其次,設計和實現了一個高性能的網路數據採集系統和網路數據預處理的方案;然後,在對關聯規則挖掘和序列規則挖掘演算法進行研究的基礎上,結合網路數據的特性和入侵檢測領域的知識對演算法進行了擴展和改進,挖掘出了網路數據的關聯模式和序列模式;最後,研究了描述性模式的應用,並設計出基於模式匹配的入侵檢測引擎,該引擎具有誤用檢測和異常檢測功能。Domain ontology can be modeled a simple directed acyclic network, subsumption relation between two concepts can be computed by the ( immediate ) ancestor or descendent algorithm in a ~ ( h ), association degree between two concepts can be computed by the shortest path algorithm in a ~ ( h )
領域本體可以模型化為一個簡單有向無環網路,概念之間的包含關系可以通過a ~ h中的(直接)前驅后繼演算法來求解,而概念之間的關聯度可以通過a ~ h中的最短路徑演算法來求解。We use a size changeable adjacent field to describe the topological structure of 3d unorganized points in our algorithm. it can offer essential dynamic information for tessellation and points " normal
演算法採用可以控制大小的鄰域作為空間散亂數據點的拓撲關系的幾何描述,為網格劃分和點的法向量的幾何描述提供了必要的動態幾何信息。In this system, the movement of the step - electromotor is controlled by computer, and then the dial pointer is drove by the step - electromotor. at the same time, these images of the analog instrument are took by high precision ccd video, and then these images will be processed by the computer, using some image - processing algorithms such as image segmentations, threshold identification, image binarization, areas labeling, dial center - point identification, useful areas identification & abstracting, and areas thinning, etc. followed this, the dial pointer of the “ circle ” is able to be located. at last, the dial pointer position will be recognized by the computer
本系統由計算機控制步進電動機的運動,進而驅動指針式儀表表針的運動,並且通過高精度ccd攝像機實時獲取表盤圖像數據,同時進行表盤圖像的相關處理,包括圖像分割,閾值確定,圖像二值化,區域標記演算法,圓心擬合,有效區域識別提取,區域細化等,最終快速識別出表盤指針所處位置;最後,根據國家指針式儀表類檢定規程所制定的演算法計算出該儀表的相關誤差,檢定指針式儀表的各種精度,通過這些數據判斷該儀表是否合格,列印該儀表的檢定結果報表。With this understanding, the advancing analysis method of the steady - state voltage stability integrated the continuation power flow analysis, the system jacobi matrix eigenvalue structure analysis and the correlative sensitivity analysis, provided the comprehensive and veracious informations about the steady - state voltage stability of power system under the future operating state, these informations - included the margin of stability, the weak buses, the crucial branch and the crucial generator
提出了將連續潮流演算法與系統jacobi矩陣特徵結構分解法以及相關的靈敏度方法相結合的靜態電壓穩定預測分析方法,這種方法可以提供關于系統在未來運行狀態下的靜態穩定性信息:系統穩定裕度、系統中的薄弱區域、關鍵支路與關鍵發電機。3, on the base of the traditional spatial filtering, the author present, a new despeckle algorithm, that make use of iterated processing and correlated neighbourhood model, iterated filtering method of the sar image combining the correlated neighbourhood model with maximum a posteriori filter. first, a series of templates refecting direction information are established and every template is present for a kind of neighbour structure. then on the basis of sar images statistical property, the maximum a posteriori estimate of the real intensity under observation image values is got by bayes formulatio - n
3 、針對傳統空間濾波器的不足,引入迭代處理和相關鄰域模型的概念,提出了基於相關鄰域模型的最大后驗迭代濾波。該演算法引用一系列反映局部邊界特徵的鄰域模型,以描述圖像的細節。引入強度的先驗概率分佈模型,利用bayes方法,對各個結構進行實際強度的最大后驗估計。This approach is performed by releasing some loads required to maintain the rest system in safe operation in overload cases and opening all of the switches in the blackout areas in case of fault, and then closing proper switches to restore the unfaulted - blackout areas
本演算法在系統發生過負荷情況下,能適當地選擇甩負荷以確保系統的穩定運行;在故障情況下,先打開停電區域的所有開關,然後關閉合適的開關宋恢復非故障停電區。The computer acquires the image of dial gauge by high precision ccd video, after that the computer will process the dial gauge image by some image - processing algorithms such as image segmentations, edge searching, area segmentations and locating the pointer by the " circle ". at last the computer will recognise the dial pointer position and work out the precision of dial gauge in accordance with nation criterion of dial gauge. this study presents several optimum algorithms to realize quick recognition of the pointer and calibration lines of detected dial and improve the accuracy and real time quality of detecting
本系統由計算機控制步進電動機的運動,進而驅動指示表表針的運動,通過高精度ccd攝像機實時獲取表盤圖像數據,同時進行表盤圖像的相關處理,包括閾值分割、邊緣檢測、圖像銳化以及區域分割和定心圓檢測等,最終快速識別出表盤指針所處位置,最後根據國家指示表類檢定規程所制定的演算法檢定出指示表的各種精度,本系統所採用的圖像處理演算法運算量少,速度快,從而大大提高了系統的實時性。With those above, an essential explanation to the simplicity of the representation of rijndael s - box is given, and a direct proof to the equivalence between any two coordinate functions of rijndael s - box is provided, with the equivalence described by only one matrix of order eight over gf ( 28 ). 5
利用這三種方法計算出的域元素分量表達式,解釋了rijndael演算法s盒代數表達式復雜度低的本質原因;給出rijndael演算法s盒分量函數間等價關系的一種直接的證明方法,並用一個八階gf ( 2 ~ 8 )矩陣完全刻劃這種等價關系。Ddm use region info to describe the supply and demand relation among simulation entities. confirm the aggregate which entities are interested in by region matching. therefore region matching is the basic of data filtering. this paper discusses detailedly the complexity of region matching process from the point of view of the pure arithmetic and develops a rapid matching arithmetic according to the characteristic of region in ieee1516
Ddm使用區域信息描述實體間的數據供求關系,通過區域匹配確定實體的感興趣集合,因此區域匹配是實現數據過濾的基礎,區域信息匹配計算的復雜度是影響過濾開銷的一個關鍵因素。文中從純演算法的角度對區域匹配過程的復雜度作了詳細的分析,並以ieee1516標準為基礎,結合其中區域的特點,提出了一種單維步進的區域匹配演算法。In the research task supported by the key technologies r & d program in the 9th five - year plan of jiangsu province, the study focuses on the nc milling programming software development method and the corresponding algorithms on the basis of acis. by using the development interfaces provided by acis, the author has made some innovation to tool path generation algorithms. based on acis, a new set operation method of loops is presented in this paper
藉助acis提供的開發介面實現對一些刀具軌跡生成演算法的創新:提出了一種基於acis的環集合運算方法,該演算法充分利用了acis的功能,使演算法實現過程大大簡化,並提高了演算法效率;設計了一種加工區域識別演算法,該演算法可以識別出由存在復雜嵌套關系的多個型腔環和島嶼環組成的零件幾何模型中的待加工區域;提出了一種實體精加工刀具軌跡生成演算法,該演算法可以自動計算出待加工零件在一個加工方向上所有的刀具軌跡,從而在某些情況下,大大方便數控編程人員完成nc代碼的生成。Secondly, based on the analysis of the relationship between the processing tasks, a hybrid algorithm combined the filtered beam search algorithm with the local search algorithm is proposed
其次,在對工序任務之間的邏輯關系深入分析的基礎上,提出一種基於過濾束演算法思想與基本鄰域搜索演算法相結合的混合演算法。With the development of radar technology, radar system has been more diversiform and complicated, which make ecm face much more complex electromagnetic environment. how to sort and analyze signal exactly is an important research of ecm. in this paper, we mainly research the signal sorting 、 system simulating and dsp realizing : 1. the paper introduces the environment of ecm and analyses the character of time domain 、 frequency domain 、 air space 、 power density and polarization detailedly
本文主要就是研究復雜電磁環境下的彈上電子對抗系統信號分選關鍵演算法、系統軟體模擬以及dsp的實現,主要包括以下幾個方面: 1 .對電子對抗環境進行了介紹,並對雷達偵察機的信號環境的時域特徵、頻域特徵、空域特徵、功率密度(能量)特徵以及極化特徵進行了詳細的分析,得出了對雷達偵察接收機信號分選系統設計的主要依據。To resolve the question of tracking highly maneuvering targets in clutter with different sensors, the theory of multi - sensor data fusion and algorithm of joint probabilistic data association have been analyzed in depth. in this thesis, with the using of matlab simulating tool, it accomplished the tracking of three maneuvering targets in clutter and completed the algorithm emulation of every phase in multi - target tracking. from the satisfied result of simulation, the validity of target tracking algorithm in whole data fusion system has been proved
論文針對多雜波環境下的高度機動目標,依據多傳感器數據融合的理論基礎,基於目標跟蹤領域中的概率數據關聯演算法,對於三個機動目標在雜波環境下的軌跡進行跟蹤,並在matlab環境中,完成了多目標融合跟蹤各個階段的演算法模擬,取得了滿意的模擬結果,從而證明了整個系統的數據融合目標跟蹤演算法的有效性。The main idea of this hybrid algorithm is : at first, all candidates in task collection is lined according to a dispatching rule ( earliest due date, edd ), then this linear queue is divided into some tiers under a criterion that partial order is not allowed to exist in the every tier, many feasible sequences is generated by constructing a neighborhood of a initial sequence in every tier, the allocation of the resources over time is conducted to perform every feasible task sequence, and a set of approximate optimal scheduling schemes is achieved as the precondition of the next tier ’ s disposal in meeting multiple scheduling objectives to obtain the global near - optimal schedule which makes these program run tier by tier until the last task is completed
該演算法按照最早完工時間優先( ect )分派規則,先將參加排序的工序合併成一個串列序列,然後按照同層內不存在偏序關系的原則,將其分解為若干個時間上相互銜接的層次,在每個層次內部,通過構造鄰域產生出多個可行序列,對每個可行序列進行設備配置,採用鄰域搜索演算法進行方案的尋優,保留一組滿足評價要求的可行方案作為下一層設備配置的背景環境,通過層層遞進最終獲取全局的近似最優解。Firstly, forming the whole feather of vehicles by means of region tracking algorithm, then delivering the information to corners so as to build group relationship among corners, and then accomplishing the creation of new objects, secondly, achieving the old object tracking with multiple - dimensioned corner matching, then feeding back all sorts of information of moving corners to region tracking algorithm to promote the separation of " barrier " among objects in order to gain the tracking of the whole motive objects. 3
首先,由區域跟蹤演算法形成車輛整體特徵,並將該信息傳遞給各個角點,促使角點間建立類屬關系,完成新目標的創建;然後,通過多尺度的角點匹配,完成已有目標的跟蹤,再將運動角點的各種信息反傳給區域跟蹤演算法,促進多目標間的「遮擋」分離,完成整體目標的跟蹤,實現穩定、可靠的目標跟蹤。First, in this paper, a paraconsistent relational data model and its algebraic operators are introduced briefly. then, paraconsistent relational calculus based on this model is discussed and domain relational calculus for paraconsistent database is presented
本文首先簡要介紹了次協調關系數據模型及其代數運算,並在此基礎上進一步討論了次協調關系演算,提出了次協調關繫上的域關系演算。( before the proposal of this standard, use of ofdm was limited to continuous transmission systems ) combined with the national high technology project named " key techniques of the wireless module in fieldbus facilities ", author focuses on the research of baseband technologies of ieee802. il / lla physical layer, and put forward some novel algorithms about the timing and frequency offset synchronization and the channel estimation of ofdm transreceiver in wlan, which have been published on some kernel transaction and international conference and shows the author ' s great research achievements
結合作者研究生階段「現場總線設備中的無線通信模塊關鍵技術研究」 863課題,作者對ieee802 . 11 11a [ 1 ]物理層基帶部分相關技術做了深入研究,提出了無線局域網中ofdm基帶系統時間同步、頻偏估計以及通道估計等關鍵演算法,在國內核心期刊和國際會議上發表了相關學術論文,本文在此基礎上完成的。In this dissertation, i make a systemic research on time domain equalization algorithm which is the key technology of dsl, and design adsl transceiver system on a chip
本論文對dsl技術中的關鍵技術時域均衡演算法進行了系統的研究,並進行了adsl收發器片上系統設計。分享友人