convergence time 中文意思是什麼

convergence time 解釋
收斂時間
  • convergence : n. 1. 聚合,會聚,輻輳,匯合。2. 集合點;【數、物】收斂;【生物學】趨同(現象)。
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  1. Agglomerative effectiveness : the effect on regional economical inequality because of industrial agglomeration. in order to show the effects of industry on regional inequality, the model of panel data is applied to analyze the relationship between industrialization and economy growth., which is helpful to estimate whether the tendency of growth is convergence and the structural effectiveness. the time series model is used to analyze the effect of industrial agglomeration on regional inequality, where gini coefficient is taken as the index of industrial agglomeration

    為了更清楚地把握工業在地區差距上的效應,本文用面板數據模型分析工業化程度和經濟增長之間的相關關系,從而判斷區域經濟發展趨勢是否收斂,工業在「結構效應」方面的影響;計算表示工業集聚程度的基尼系數,通過時間序列模型分析工業集聚對地區經濟差距的「集聚效應」影響。
  2. The recent history of korean peninsula is a history of convergence of sea power and land power, which is an inevitable result caused by its geographical politics. during the recent history, great powers around once attempted to divide the buffer region - - korean peninsula time and again. during the cold war, the political division of korean peninsula is actually a reality of aspirations

    韓半島的近代史是一部成為海洋勢力與大陸勢力之力量交匯處的歷史,這是其地緣政治意義所導致的必然的結果。在近代的歷史上,周邊列強曾多次試圖分割東亞的緩沖地帶- -韓半島。冷戰時期,韓半島政治上的分裂實際上就是這種慾望的實現。
  3. The viscid flux is discretized by second - order central difference scheme. baldwin - lomax turbulence model is implemented in navier - stokes flow solver. for steady - state calculations, a four - stage runge - kutta scheme with convergence acceleration techniques such as local - time stepping and implicit residual smoothing is used

    其中,定常計算中的時間推進採用四步runge ? kutta方法,並應用了當地時間步長、隱式殘值光順等加速收斂措施;非定常計算中的時間推進採用jameson的隱式雙時間方法。
  4. This thesis has studied the dynamic features of a class of the discrete - time neural network model of two neurons, such as the convergence and periodicity and etc. the function of the neuron signal transmission in this model, which belongs to three piecewise constant argument, indicates the following charactersif the signal of one neuron on the network is active between a and b, it will produce invariable encouragement effect on another neuron ; if the signal of one neuron is lower than a, it will produce invariable restrain effect on another one, if the signal of one neuron is higher than b, it will produce no effect on another one

    本文研究了一類二元離散人工神經網路模型的解的收斂性及周期解的存在性等動力學特徵。該模型的神經元信號傳遞函數是三段常數不連續函數。這種信號傳遞函數表明如果某神經元的信號在a與b之間活躍,則它對另一個神經元產生恆定的激勵效果,如果某神經元的信號低於a ,則它對另一個神經元產生恆定的抑制效果,如果某神經元的信號高於b ,則它對另一個神經元不產生作用。
  5. Controlling time - specific and province - specific factors and serial correlation, we find there is conditional convergence of regional disparity for province - based rural development and internal disparity among the east, the middle and the west of china

    檢驗結果顯示,在考慮了時間和省份特殊效應、序列相關等因素的影響后,中國各省農村發展差距以及東中西部地區農村發展的內部差距均存在條件性收斂。
  6. 4. a 2 - d and 3 - d euler equations and n - s equations are solved using the cell - centered finite volume method and four - step runge - kutta scheme on the cartesian grids with standard convergence acceleration techniques such as local time stepping, enthalpy and implicit residual smoothing

    使用jameson中心有限體積法和runge - kutta時間推進方法,求解了關於二維、三維復雜流場的euler 、 navier - stokes方程,採用了當地時間步長、隱式殘值光順等多種加速收斂方法。
  7. Compared with octree data structure, the omni - tree data structure could reduce the meshes " total numbers and get better mesh quality. this paper uses cell - centered finite volume spatial discretization and four - stage runge - kutta time - stepping scheme with some convergence acceleration techniques such as local time stepping and enthalpy damping

    在流場計算中,本文採用格心格式的有限體積法用二階中心差分對歐拉方程作空間離散,用四步龍格庫塔方法作顯式時間推進。
  8. In this paper, the upwind scheme and the central scheme are presented for solving 3 - d n - s equations using the cell - center finite volume spatial discretization and four - stage runge - kutta time stepping scheme, with standard convergence acceleration techniques such as local time stepping and implicit residual smoothing

    在n - s方程的數值計算上,採用了中心差分格式和迎風格式,用格心格式的有限體積法進行了空間離散,用四步龍格?庫塔法作顯式時間推進,並採用了當地時間步長和隱式殘差光順等加速收斂措施。
  9. A novel dynamic evolutionary clustering algorithm ( deca ) is proposed in this paper to overcome the shortcomings of fuzzy modeling method based on general clustering algorithms that fuzzy rule number should be determined beforehand. deca searches for the optimal cluster number by using the improved genetic techniques to optimize string lengths of chromosomes ; at the same time, the convergence of clustering center parameters is expedited with the help of fuzzy c - means ( fcm ) algorithm. moreover, by introducing memory function and vaccine inoculation mechanism of immune system, at the same time, deca can converge to the optimal solution rapidly and stably. the proper fuzzy rule number and exact premise parameters are obtained simultaneously when using this efficient deca to identify fuzzy models. the effectiveness of the proposed fuzzy modeling method based on deca is demonstrated by simulation examples, and the accurate non - linear fuzzy models can be obtained when the method is applied to the thermal processes

    針對模糊聚類演算法不適應復雜環境的問題,提出了一種新的動態進化聚類演算法,克服了傳統模糊聚類建模演算法須事先確定規則數的缺陷.通過改進的遺傳策略來優化染色體長度,實現對聚類個數進行全局尋優;利用fcm演算法加快聚類中心參數的收斂;並引入免疫系統的記憶功能和疫苗接種機理,使演算法能快速穩定地收斂到最優解.利用這種高效的動態聚類演算法辨識模糊模型,可同時得到合適的模糊規則數和準確的前提參數,將其應用於控制過程可獲得高精度的非線性模糊模型
  10. Bounded convergence of finite data window least squares identification for time - varying systems

    非線性系統參數估計的投影演算法
  11. At the same time, the concept of the mobile internet also began prevailing overnight. it seemed that people had found the gold key to the convergence of mobile communications and the internet, the two communications technologies that have enjoyed the fastest growth

    與此同時,移動網際網路的概念也在一夜之間流行開來,人們似乎已經找到了將移動通信與internet這兩個增長速度最快的通信技術相結合的金鑰匙。
  12. Abstract : in this paper a new identification model constructed by neural networks with modified inputs and stable filters is presented for continuous time nonlinear systems in order to reduce the inherent network approximation errors. an adaptive law with projection algorithm is employed to adjust the parameters of networks. under certain conditions, convergence of the identification error is proved

    文摘:在用神經網路進行系統建模時,建模誤差的存在是難免的.為了減小這種誤差,本文對連續時間非線性系統提出了一種新的神經網路辨識模型,它是由帶有輸入修正的神經網路和穩定濾波器組合而成.文中給出了權值的學習演算法,即權值是根據辨識誤差的投影演算法來改變,證明了在一定條件下辨識誤差的收斂性
  13. It is especially attractive for the downlinks and suppressing intercell mai. when multiuser detector is adapted in blind mode, it usually adopts eignvalue decomposition or singularvalue decomposition of received sample correlation matrix and tracking alrithgms, which result in high computational complexity. at the same time, approximation computation in tracking alrithgms also result in slow convergence

    為實現盲自適應檢測,通常採用對接收信號樣本矩陣進行特徵值分解( evd )或奇異值分解( svd )后進行跟蹤,由此帶來的子空間秩跟蹤使得實現復雜度很高;另一方面,在跟蹤演算法中考慮一些實際情況而作出近似處理,從而引起誤差積累和正交性誤差,導致每次跟蹤開始階段跟蹤速度變慢。
  14. In addition, the garbage collector will be a timely convergence : garbage collection and cleaning litter - time interface ; community cleaning and professional cleaning service contingent of convergence to avoid cleaning and garbage collection timing of synchronization ; garbage collection vehicles, clean buildings, transit vehicles convergence reasonable arrangements garbage flow to avoid disorderly operations

    另外,垃圾收運將做到及時銜接:垃圾收集與清掃保潔時間的銜接;社會保潔隊伍與專業保潔隊伍的銜接,避免出現保潔和垃圾收集時間的不同步;灑水車垃圾收集車輛、清潔樓、轉運車輛的銜接,合理安排垃圾流向、避免無序作業。
  15. Traditional static crosstalk identification methods identify crosstalk targets only using coupling capacitance and noise amplitude information, which lead to the pessimistic results and induce a long time to ic design convergence

    摘要傳統的靜態串擾噪聲識別演算法只驗證耦合電容和噪聲幅值信息,沒有考慮噪聲寬度對電路邏輯功能的影響,所以給出的結果過于保守,導致設計收斂的時間被延長。
  16. Lastly, the dissertation designs a rank - reduced blind space - time 2 - d rake receiver using time extraction which has not only the capability of space - time equilibrium but also reduces the convergence time of adaptive array and the rank of correlated matrix of the received data

    最後,設計了一種時間抽取降秩盲空時2 - drake接收機。分析了其性能和參考信號的提取方法。該接收機不但具有空時均衡的能力,而且降低了陣列的收斂時間和接收數據相關矩陣的秩。
  17. The essential requirements for the frequency synthesizer are : 1 ). low side band power 2 ). high hopping speed 3 ). short convergence time direct digital synthesis technology has the advantages of low cost, low power consumption, high frequency discrimination and short switching time

    直接數字合成技術dds具有低成本、低功耗、高解析度和快速轉換時間等優點,是實現快速跳頻的一個關鍵技術。本文討論了如何實現高速的跳頻系統。
  18. The main studying contents and achievements in this dissertation are presented as follows. based on the analysis of the selective harmonic elimination pwm mathematical model, an equivalent newton iteration solving method about the switching angles nonlinear transcendental equation set is presented. the algorithmic convergence time is enormously reduced and the algorithmic convergence ability is highly increased

    本文的主要研究內容和成果如下:通過對單相特定消諧pwm數學模型的分析,提出了關于開關角非線性超越方程組的等效轉化牛頓迭代解法,極大地縮短了演算法收斂時間,提高了演算法的收斂性,為特定消諧pwm開關角的工程計算提供了新的方法。
  19. Two popular statistical - based techniques, namely, bayes and dempster - shafer methods are applied to develop radar target identification algorithms for our application. the performance of bayes method and d - s method is compared in convergence time and robustness

    運用兩種普遍使剛的統計推斷方法? bayes方法和d - s證據理論對以上空中目標進行識別,比較了它們的收斂時間和穩健性。
  20. This thesis introduces the key technique of the us military distributed information system, with focuses on algorithms about related navigation of military tactics. kalman filtering combined with least square method is proposed for the current military development stage. the method of observation result including velocity component minimizes the convergence time, improves the positioning precision and acquired satisfied experiment results, which makes the pla independence of the us high - tech equipments

    本文簡要介紹了現階段美軍在戰術信息分佈系統實現中所採用的關鍵技術,重點對戰術飛機相對導航的各種實現演算法進行了深入探討,針對我軍當前在該系統領域中的技術現狀,提出了以最小二乘法輔助卡爾曼濾波,濾波過程中觀測量加入速度分量的方法,縮短了導航濾波起始階段的收斂時間,提高了定位精度,在工程上取得了較理想的實驗數據,在一定程度上擺脫了我軍在相對導航領域對美軍先進技術裝備的依賴。
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