相對鄰域 的英文怎麼說

中文拼音 [xiāngduìlīn]
相對鄰域 英文
relative neighborhood
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : 名詞(在一定疆界內的地方; 疆域) land within certain boundaries; territory; region
  • 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
  1. 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 、針傳統空間濾波器的不足,引入迭代處理和模型的概念,提出了基於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,各個結構進行實際強度的最大后驗估計。
  2. As an important component of the above researches, this paper covers following aspects : ? firstly, product design theories are summarized, status and development trend of machinery product design are analyzed, and application of knowledge based design method in machinery product design is put forward. ? kbe ( knowledge based engineering ) theories such as knowledge acquisition, representation and storage are discussed, kbe concept is integrated with ug secondary development technology, and design knowledge is induced and stored to establish the design knowledge base. ? product case representation is researched, a hierarchical tree type product case library for complex products is established, retrieve strategy for cases of the nearest filed is put forward and corresponding algorithm is given

    本文的主要研究內容及成果如下: ?產品設計理論和方法進行了總結和概括,分析了機械產品設計的現狀和發展趨勢,將基於知識的設計方法應用到機械產品的設計中; ?研究了知識獲取、表達、存儲等kbe理論,並將kbe思想應用到ug二次開發中,將設計知識歸納存儲,建立了設計知識庫; ?研究了產品實例表示,建立了復雜產品層次樹狀產品實例庫,介紹了最近實例檢索策略並給出應的演算法; ?研究了基於知識重用的三維產品建模技術,研究了在設計過程中的設計資源的重用,計算過程的重用,計算數據的重用,推理過程的重用等等;介紹了基於設計重用的凸輪三維模型的實現方法。
  3. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    于曲線坐標系下的拋物化穩定性方程,文中發展了求解的高效數值方法:引進法向變換,使得在臨界層與壁面之間的擾動量變化最快的區有更多的法向網格點;導出包含邊界在內的完全四階精度的法向有限差分格式,這方程精確離散至關重要;採用全局法和局部法結合的方法及其新的迭代公式,大大加速收斂並得到更精確的特徵值。
  4. The bench should be stable, anti - vibration, anti - disturb by near area. sensitive balances ( over 1 of 10000 level ) should be put in the same room

    天平臺應穩固、防振、不應其造成干擾。精密天平( 1 /萬以上)應集中放置。
  5. The search space is divided into many small areas, and each area is given a certain pheromone value. according to the state transition rules, the artificial ants move to the next solution which is generated randomly or calculated by particle swarm optimization. local search strategy is also added into psaco so that the search speed and precision is enhanced

    該演算法首先將連續象定義平均分成許多邊緣互重疊的小區,區的稠密程度決定了演算法解的精度,每個區賦予一定的信息素值;螞蟻根據狀態轉移規則在隨機生成的可行解與利用微粒群演算法得出的可行解之間選擇下一步要去的位置;引入局部尋優策略,加強近似最優解內的局部搜索,提高搜索速度和精度。
  6. After a short - term load forecasting method based analogous and linear extrapolation is proposed, the load forecast and the priority of equipment action are led into static reactive power optimization. the aim function is constructed for the practical situation of power system. on the basis of traditional genetic algorithm the fitness function and the holding of population diversity are improved

    在提出基於似日和線性外推的短期負荷預測新方法的基礎上,將負荷預測和設備動作優先級引入靜態無功優化中,並結合電網實際情況,構造了實用的目標函數,遺傳演算法的適應度函數和群體多樣性的保持進行了改進,採用搜索運算元增加遺傳演算法的局部尋優能力。
  7. 423 persons answered the questionnaires and 139 out of them were identified as ecotourists. the result of classification is proved to be effective by prediction validity test, content validity test, theory validity test and convergence validity test. in addition, the ecotourists were classified as hard ecotourists, frequent ecotourists and occasional ecotourists farther according to the times they traveled to nature - based destinations every year and their new ecological paradigm grade which is used to evaluate the visitors attitude to environment. frequent ecotourists and occasional ecotourists both fall category of soft ecotourists, so the " hard - soft " classification system is founded, which will help propel ecotourist studies in china to develop towards the current international mainstream of the field

    以北京市百花山自然保護區為例,在總結國外關研究經驗的基礎上,採用k階最近knn和反向傳播bp前饋型多層神經網路所構成的綜合分類器百花山遊客中的生態旅遊者進行識別,又根據「每年去原始的自然區的旅遊次數」和環境態度尺度nep得分兩項指標將生態旅遊者進一步細分為嚴格的生態旅遊者經常的生態旅遊者和偶爾的生態旅遊者,其中經常的生態旅遊者和偶爾的生態旅遊者歸為一般的生態旅遊者,從而構建起嚴格的一般的生態旅遊者分類體系。
  8. Specific areas which we can leverage our relative strengths and competitive advantage such as high mobile penetration, our position as a major trading hub in the asia - pacific region, and close proximity to the mainland of china

    善用香港有優勢和競爭力例如:高行動電話滲透率香港作為亞太區貿易樞紐的地位毗中國內地的優越地理位置的特定領
  9. 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搜索演算法結合的混合演算法。
  10. Under a unified frame, different despeckling sub - algorithms are designed to despeckle different kinds of regions : a modified acmap algorithm ( simulated annealing correlated neighborhood map despeckling algorithm ) is used to depress the speckle in homogeneous regions, and the macro structural information is introduced into the despeckling algorithm in heterogeneous regions to protect the structures

    在統一的框架下,針不同的描述模型的特點設計了應的干斑抑制方法。針平穩區設計了改進的acmap演算法(基於模擬退火和的最大后驗估計干斑抑制演算法) ,針非平穩區將分割得到的宏觀結構信息引入到演算法中,有效的保護了宏觀結構性信息。
  11. Third, the whole absorption spectrum displays, in general, three pairs of absorption peaks and three pairs of gain peaks. due to the coherences between dressed states, these peaks are not exactly at the resonant resonance frequencies between dressed states, but in the vicinity of them

    還有一個特徵就是,吸收光譜在一般情況下會出現三吸收峰和三增益峰,在修飾態干的作用下,這些峰並不是位於修飾態共振躍遷頻率處,而是位於它們附近。
  12. Furthermore, monte carlo sampling method is used to simulate reservoir lithofacies, based on different neighborhood systems of markov chain models

    隨后,不同系統的馬爾可夫鏈模型採用蒙特卡羅抽樣方法進行了儲層巖隨機模擬試驗。
  13. However, most of the current wireless networks still work in low bandwidths, and mobile devices still suffer from weak computational power, short battery lifetime and limited display capability. therefore, this thesis deals with developing a very low bit - rate bi - level video coding technique, which can be used in video communications almost anywhere, anytime on any device as follows : ( 1 ) convert true color video sequences from ccd and video card to grayscale ones, ( 2 ) detect static region of successive frames by the sum of absolute differences ( sad ) and update current frame using static region of previous frame, to decrease flicker. ( 3 ) threshold the images to bi - level video sequences using ridler ' s iterative selection

    為此,本論文在傳統h . 26x和mpeg - x等視頻編解碼技術的基礎上提出了一種新的基於輪廓的視頻編解碼方案,步驟如下: ( 1 )先把從ccd攝像頭捕捉到的視頻幀序列轉換成灰度幀序列, ( 2 )在灰度幀序列的基礎上通過sad演算法找出幀的靜態區,用前一幀的靜態區更新當前幀的應區,這樣可以降低畫面閃爍, ( 3 )然後用灰度直方圖迭代所產生的閾值二值化圖像,生成基於輪廓的視頻幀序列, ( 4 )最後運用基於上下文的算術編碼技術由第三步生成的二值化視頻幀序列進行算術編碼。
  14. In this thesis, we studied the hamiltonicity of graphs systematically and proved several new theorems which are the improvements and generalizations of some known results on this topic. and some of these results are the best possible in some sense

    本論文利用各種獨立集的並條件研究圖的哈密爾頓性,得到了系列的結果,改進或推廣了不少關的已知結果,本領的研究起到了積極的推動作用。
  15. Based on the moving characteristics of small targets in ir image sequences, a judging method based on neighborhood is discussed and used. emulation results show this method can distinguish small target from sequences effectively. furthermore, it has lower computation requirements and uses fewer images for detection as well

    在這里,採用基於判決的方法,即根據目標運動的連續性和規則性,利用幀中可疑目標之間的位置關系進行目標檢測的方法,前面處理過的二值圖像進行了跟蹤檢測,並在實驗中取得了比較理想的效果。
  16. 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互銜接的層次,在每個層次內部,通過構造產生出多個可行序列,每個可行序列進行設備配置,採用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。
  17. In this dissertation, the research trends for the problem have been introduced ; the ‘ dim ’ and ‘ point ’ has been strictly defined in mathematics from machine vision and human vision ; the ideal clutter suppression system based on clutter predication and the realization and evaluation of evaluation index has been studied, in succession the clutter suppression technologies have been researched. firstly, the classic nonparametric algorithm has been analyzed in detail and systematically, for it ’ s weakness that it cannot remove the non - stationary clutter ideally, kalman filter algorithm for clutter suppression in 2d image signal has been built. secondly, fast adaptive kalman filter is presented based on fast wide - sense stationary areas partition algorithm : limited combination and division algorithm based on quarti - tree algorithm, new taxis filter route algorithm which can break through the limitation of the necessity of pixel neighborhood of 2d filter and laplace data model with two parameters which is perfectly suitable for the residual image of kalman clutter suppression

    首先分析了經典的非參數法,於四種具有代表性的核,從前述的三個性能評價方面做了分析和比,指出了其速度快的優點和非平穩圖像適應性差的弱點,針非參數法的弱點,重點研究了非平穩圖像適應良好的卡爾曼雜波抑制技術:建立了非平穩圖像的類自回歸模型,在此基礎上建立了二維卡爾曼濾波基礎的兩個方程:狀態方程和測量方程;建立了非平穩圖像準平穩區快速劃分演算法:基於四叉樹法的有限分裂合併演算法;二維空間的基於k排序的濾波路線演算法,突破了空濾波路線上區的限制;在這些研究的基礎上實現了快速卡爾曼估計,實驗驗證了該方法逐點卡爾曼估計可以提高運算速度三倍左右;雜波抑制結果表明傳統的高斯性檢驗並不適合卡爾曼估計后的殘余圖像,由此建立了殘余圖像的雙參數拉普拉斯模型,實驗表明其可以完好的吻合殘余圖像的概率密度曲線。
  18. Plenty of experiments show that it can effectively improve the synthetic speed of wl algorithm at the same quality. a method for automatic recognizing the size of neighborhood based on statistics is also presented, which can decrease the number of input parameters and be convenient for user ' s operating in texture synthetic algorithms sample - based using mrf model. finally, the future works about the technique of texture synthesis are introduced

    通過大量的實驗表明,在合成質量與wl演算法近的情況下,該方法使wl演算法的合成速度大幅度地提高,取得了良好的加速效果;運用統計分析的方法,針採用mrf模型的基於樣圖的紋理合成演算法,給了一種大小自動識別的方法,進一步減少了紋理合成演算法的參數輸入數量,更方便了用戶的操作。
  19. Considering the potential parallelism of the image data, we developed the parallel algorithm. several critical techniques have been proposed to obtain a high performance combining the characters of smp clusters. in the end, we simulate our algorithm on pc clusters, from both theory analysis and experiment results, it is shown that our algorithms can provided an efficient way for image restoration applications

    Wmf演算法主要是基於這樣一種思想,于含噪圖像上受損的任一點,其中的像素它的恢復過程中的貢獻是不同的,如果這一點的灰度值越接近該區內的中值,則其貢獻應的大一些,反之應的小一些。
  20. The fourth - order explicit upwind - biased compact difference schemes are used in the spatial discretization of the nonlinear convection terms. these difference schemes can be used in all computational region including the boundary neighborhood, and can overcome the difficulty not adapting simultaneously in the boundary neighborhood for general three - dimensional fourth - order central difference schemes, and improve computational stability a nd resolution. the compact difference equations with high accuracy and resolution for solving the incompressible n - s equations and perturbation equations are composed of these compact difference schemes, and provides an effective numerical method for the investigations of the turbulent spots and coherent structures

    文中發展了四階時間分裂法用於navier - stokes方程及其擾動方程的時間離散;分裂得出的關于壓力的poisson方程和關于速度的helmholtz方程,建立三維耦合四階緊致迎風差分格式;這些格式適用於包括近邊界點在內的計算區,克服了三維各自用四階中心差分格式離散不適用於邊界的困難,並提高了穩定性和解析度,用這些格式分別組成了數值求解navier - stokes方程及其擾動方程的高精度、高解析度的緊致差分方程組,為湍斑及湍流干結構的研究提供了有效的數值方法。
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