超時演算法 的英文怎麼說

中文拼音 [chāoshíyǎnsuànfǎ]
超時演算法 英文
time out algorithm
  • 超 : Ⅰ動詞1 （越過; 高出） exceed; surpass; overtake 2 （在某個范圍以外; 不受限制） transcend; go beyo...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 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...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  1. And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results

    接著，對自適應調制系統中的通道估計問題難點，詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然（ ml ）估計和最大后驗概率（ map ）估計演算法，針對平衰落通道，我們模擬了map估計和ml估計的方差與導頻符號長度的關系，模擬結果表明，錯誤方差受多譜勒頻率的變化影響最大，並且對實際的自適應調制系統，導頻符號長度的取值超過20個符號長度時， map通道估計明顯優于ml通道估計。
  2. The paper will study the upper questions based on the two interconnection networks. first, we give a fault - tolerant routing algorithm under the connectivity of the crossed cube in o ( n ) time and the length of the longest routing path ; second, with the rapid progress in vlsi, the failing probability of processors and links is very low, the traditional connectivity underestimates the resilience of large networks / here by applying the concept " conditional connectivity " introduce by harary, we show that the n - crossed cube can tolerate up to 2n - 3 ( n > 2 ) processors failure and remain connected provide that all the neighbors of each processor do not ' fail at the same time, the result is the same as the hypercube. we also give a related algorithm in o ( n ) time, and the length of the longest path ; third, we apply cluster faun tolerance introduced by q. - p

    根據menger定理， n -維交叉立方體可以容納n - 1個故障頂點，我們給出了它的時間復雜度為o （ n ）的容錯路由選擇演算法及其最長路徑長度分析；在此基礎上本文證明， n -維交叉立方體的條件連通度為2n - 2 （ n 2 ） ，並給出了相應時間復雜度為o （ n ）的演算法及其最長路徑長度；除此之外，本文還證明當n -維交叉立方體中的故障簇個數不大於n - 1 ，其直徑不大於1 ，故障頂點總數不超過2n - 3 （ n 2 ）時，交叉立方體中任兩個無故障頂點都至少有一條可靠路徑。
  3. Considering the nonuniqueness and instability of ultrasonic computerized tomography for structural concrete as well as the ultrasonic transmission characteristics in concrete, a natural weight matrix with dear physical meaning was introduced in the inverse algorithm

    摘要針對混凝土超聲波層析成像結果不唯一和穩定性差的問題，首先依據超聲波在混凝土中的傳播特點，在反演演算法中引入物理意義明確的自然權矩陣，對走時較小的射線和射線較密的成像單元加以重權。
  4. According to research of redundant signed digit ( rsd ) calibration theory of pipelined adc, a novel out of range detection rsd technique is provided. when input signal is out of the adc ’ s range, the technique can detect this situation and the wrong output word is avoided

    然後，在深入分析冗餘位演算法的基礎上，提出了新型的校正演算法，針對傳統演算法不能判斷信號超出adc處理范圍的不足，增加了溢出判斷功能，既能有效校正比較器的失調，又防止了信號溢出時的誤碼輸出，保證了系統的性能。
  5. The algorithm can not only eliminate the influence of the cumulative errors of the photoelectric code recorder, but also it can satisfy the requirement of the real - time control. a direct inverse model controller of fuzzy neural network with changeable structure based on takagi - sugeno inference is presented and it is used to the motion control of mobile robot. in order to avoid the obstacles successfully, detection results from ccd and ultrasonic sensors are fused by a fuzzy neural network, which acts as an avoidance controller

    包括移動機器人的融合自定位問題：移動機器人利用光電編碼器進行自定位，同時用擴展卡爾曼濾波器融合多個超聲波傳感器的測量值，採用回朔演算法將融合值用於復位光電編碼器，消除了光電編碼器累積誤差的影響，並能滿足實時控制的要求：並提出一種基於takagi - sugeno模型的變結構模糊神經網路直接逆模型控制器，並應用於移動機器人的運動控制；利用模糊神經網路避障控制器融合ccd攝象機與超聲波傳感器探測到的環境信息，以實現機器人的安全避障。
  6. The super - exponential iteration ( sei ) blind equalization algorithm has the advantage of good tracking capability of the time varying channel

    超指數盲均衡演算法的迭代演算法收斂速度快，且便於跟蹤時變通道。
  7. Tricepstrum equalization algorithm ( btea ) and super - exponential ( se ) algorithm based on block data estimation is studied, and these algorithms use hos explicitly. their performance, such as estimation variance and bias, is analyzed. a kind of sparse cross cumulant and sparse equalizer is proposed to simplify the se algorithm, and the simulating results show efficient reduction in complication

    ?研究了幾種直接使用高階統計量的演算法，包括基於數據段估計的倒三譜演算法和超指數演算法，分析了演算法的估計方差和偏差等性能；由於超指數演算法計算量較大，不利於實時均衡，利用水聲通道的稀疏性，提出了一種基於稀疏互四階累積量和稀疏權的演算法，有效降低了超指數演算法的計算量。
  8. Secondly, a kind of leading control method on the basis of energy containing in system, which combined the demerits of pid control and neural network control, is presented according to the large hysteresis characteristics of the ph and orp

    由於工業現場的ph / orp系統都是滯后很大的時變對象，針對這個特點，本文提出了根據系統中所蘊藏的能量進行超前控制的控制演算法。
  9. A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method

    提出一種基於遺傳演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求，選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化，再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法，通過模擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍，以速度調節器和電流調節器的參數為染色體中的基因，通過遺傳演算法在搜索范圍中優化這些基因，獲得優化解.實驗結果表明，所設計的參數能使系統性能指標有顯著提高
  10. First of all, we bring forward the basic project of tadil, which adapts to combined operations. it is suggested to use tdma ( the abbreviation of time division multiple access ) as the working pattern and utilize the concept of mobile ad hoc network to construct the data link network. aiming at the impact of time delay on data link and the characteristic of cooperative combat under the command of director aircraft, this thesis applies a kind of kalman filtering algorithm in polar coordinates to compensate the error of time delay, and then does the transformation of target motion parameters to obtain the current information of target

    本文結合空軍裝備部某「十五」預研課題，圍繞著戰術數據鏈、多機協同多目標攻擊、超機動攻擊、空對地攻擊這四個方面展開了一系列的研究工作:本文首先給出了適應三軍聯合作戰的戰術數據鏈系統的基本方案，建議採用時分多址的工作模式，並利用移動自組織網路的概念構建數據鏈網路，同時針對數據鏈傳輸信息的時間延遲特性和指揮機指揮下的多機協同作戰特點，應用一種極坐標系下的卡爾曼濾波演算法對該傳輸延遲誤差進行補償，並在此基礎上進行目標運動參數的轉換，以獲得目標相對于某無人機的當前運動信息，且利用模擬驗證了方法的有效性。
  11. The thesis firstly analyzes the signal form of frequency modulated interrupted continuous waveform ( fmicw ) in theory, studies the principles of detecting range and velocity for fmcw, and further discusses the essential processing methods of the fmicw signal form, including the range transform processing method based on the strict corresponding relation between time and frequency domain, the velocity doppler transform, the digital beam forming

    本文首先從理論上分析了在高頻地波超視距雷達所用的線性調頻斷續波信號的形式，研究了fmcw雷達測距測速原理，並深入地探討了fmicw信號的基本處理方法以及具體的演算法，主要包括距離變換中採用的時間波門相關處理方法，速度多普勒變換，數字波束形成。
  12. Keywords and results in a value outside the range of the data type will cause an exception at run time

    關鍵字范圍內並且產生的值超出數據類型範圍的整數演算法語句將在運行時導致異常。
  13. Keywords and that results in a value outside the range of the data type will cause a run - time exception

    關鍵字的范圍內、並且產生的值超出數據類型範圍的整數演算法語句是否將導致運行時異常。
  14. Ultra windband synthetic aperture radar ( uwb - sar ) has a broad applications because it can produce fine images of concealed targets with the capabilty of penetrating the foliage and the surface of the earth. lt has been an important sign for acquiring high - resolution images of uwb - sar for real time processing, and the efficient imaging algorithm is the pivotal and the fundation

    超寬帶合成孔徑雷達（ uwb - sar ）能夠穿透葉簇和地表實現對隱蔽目標的精細成像，有著廣泛的應用前景，高解析度uwb - sar圖像的實時獲取已成為成像雷達發展的一個重要標志，而高效成像演算法又是它的關鍵和基礎。
  15. According to the high dispersedness and low precision of measurements when using the traditional time difference method in small diameter and low flow rates conditon, this paper brings forward a new method based on high - speed data acquisition technique. the time difference comes out accurately with high resolving ability of time by using the method and the signal processing algorithms. the developed ultrasonic detection system is composed of two ultrasonic detectors, a transmitting and receiving ultrasonic unit, a high - speed data acquisition unit and a computer

    本文針對傳統的時差法在小管徑、低流速測量時，具有測時結果分散性大、測量精度受計數頻率的影響大等不足，創造性地把高速數據採集技術應用在超聲波流量、壓力測量上，用信號處理演算法求時差，使時差成為一個統計量，有效地克服了超聲波傳統時差法測量精度差、不能測量小管徑、低流速流體流量的缺點，提高了時差測量的解析度和精度。
  16. In neuro - element pid and psd controllers if the time delay of the controlled object, is too long, the overshoot of the system will be too high and system even will be unstable. in order to solve this problem, the neuro controller is combined with the smith - predictor. thus the influence of time - delay to control system is overcome effectively

    單神經元pid和psd控制演算法在被控對象存在大時滯時會產生超調，甚至使系統失穩，為了解決這一問題，本文最後將smith預估器引入了單神經元控制器中，從而很好地解決了時滯對系統的影響。
  17. Most current algorithms only work well in special conditions, because of the abnormity of signals in the real world. now, the research in the ica arises much passion and the ica has brought about many applications. the primary results the writer has got are as the following : after a whiting process, it is a key to find an orthogonal matrix to throw away the high - order redundant information between components

    由於現實生活中信號十分不規則，目前提出的演算法大多隻能針對某類信號分離，鑒于目前在ica方面極大的研究熱情和強大的背景支持，作者對ica離線演算法做了一定研究，主要內容和工作包括如下: ica問題經過白化處理后，尋找去除高階相關的正交矩陣成為問題關鍵，而正交矩陣具有特殊的空間結構，組成它的每個列向量可視作rn中單位超球表面上一點，當這些點彼此垂直時，整體就組成一個正交矩陣。
  18. The sirt inversion operator can be applied to solve the large - scale sparse linear equation and velocity tomographic inversion can be performed based on direct arrival traveltime and accuracy could be 3 meters

    研究成功的sirt反演演算法可用於求解大型稀疏超定線性方程組，根據直達波旅行時進行速度層析反演，其精度可達到3米。
  19. A new kind of fault - tolerant model, lip induced embedding model, is proposed. some conceptions, properties, merits and the algorithm on lip are given. corresponding to the algorithm, a c + + realization program is present, which can get the precise length value of lip when n equals 6 and 7

    本文即是從上述兩個方面，對超立方體網路的容錯性和路由演算法進行研究，主要研究內容如下: 1 .提出一種新的并行計算機網路容錯模型- lip導出嵌入模型，包括與lip相關的概念、性質、優點，給出了超立方體網路中求lip的演算法;針對此演算法，文中給出了其c + +實現程序，並求出了當維數n = 6 ， 7時lip長度的精確值。
  20. That is, the convergence speed of the em algorithm becomes much fast as the overlap measure of gaussians in the mixture tends to zero, which conforms to simulation results and practical applications

    當這一重疊度趨向于零時，演算法的收斂速度漸進地趨向于超線性，變成為一個快速演算法。這與實際應用是相符合的。
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