random time 中文意思是什麼

random time 解釋
隨機時間, 離散時間
  • random : n 〈罕用語〉胡亂行為,偶然的[隨便的]行動[過程]。adj 1 任意的,胡亂的,隨便的;(話等)信口亂說的...
  • 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. Average random access time

    平均隨機存取時間
  2. Data mining, which has been considered as a important methods in the analysis of time series, received more attention came from boffin. data mining is a process which get the useful information from the vast 、 incomplete 、 noised 、 fuzzy and random data

    數據挖掘技術是從大量的?不完全的、有噪聲的?模糊的、隨機的數據中,提取隱含在其中的?人們事先不知道的?但又是潛在的有用信息過程。
  3. In accordance with the problem that the fcm algorithm is quite time - consuming for search out cluster cancroids and may not be suitable for on - line modeling and control. this dissertation proposed an improved fuzzy identification method based multistage random sampling fuzzy c - means clustering algorithm ( mrfcm ). it has higher approximate precision and the cpu time has slowed down sharply compared with the common fuzzy

    Johnyen和liangwang介紹了幾種應用於模糊模型的信息優化準則,本論文在此基礎上對統計信息準則進行一些改進,並與快速模糊聚類和正交最小二乘方法結合,提高了模型的辨識精度和泛化能力。
  4. This paper put forward that credit estimation and guarantee of small and middle enterprise must pay attention to its characteristics, that is to say, stressing some estimations such as " future innovation, grown - up, . development " through normative analysis remonstrating analysis, comparing analysis and research. at the same time it must deal with whole credit and part credit combination of qualitative analysis and quantitative analysis and relative relations about methods of estimation and goals of estimation. according to characteristics of credit estimation, 1 choused index and form systems of multilayer index and select combination of delphi and ahp in order to avoid subjectivity and random for setup in the course of setup of estimation index. it should adapt flexibility of anti - guarantee setup and embody its supporting function for enterprises through qualitative analysis of anti - guarantee and estimation of risk with reason. in view of mature experience and criterion of science and technology estimation, this paper introduced into concepts about index of filtration and superior and established relative and traditional methods which are suitable for modes of small and middle enterprises for credit estimation and are applied by credit guarantee

    本文運用規范分析法、實證分析法、比較分析法,通過研究提出,中小企業信用評價和擔保信用評估應注重中小企業的特點,即強調「未來、創新、成長、發展」方面的評價。同時還要處理好整體信用和局部信用、定性分析和定量分析相結合以及評價方法和評價目的相對應的幾方面關系。在中小企業信用評價指標體系的設置中要根據中小企業信用評價的特點,合理選擇指標和形成多層次指標體系,並選擇delphi法(德爾菲法)和ahp (層次分析法)相結合的方法避免權重設置的主觀性、隨意性。
  5. Based on studying of the unequal rainfall in space - time and the asymmetry physical geography parameters in space, which can influence the process of the runoff, this paper puts forward a sort of slope conflux and watercourse conflux simulating model based on grid, and that gains flux at random time and grid in basin

    本模型針對降雨時空分佈不均勻與下墊面自然地理參數空間分佈不均勻,對產匯流形成過程的影響,提出了一種基於柵格的坡面產匯流與河道匯流的數值模擬模型。
  6. We acquired the system ' s dynamic response when the satellite attitude was adjusted and the mode of the antenna. then modal analysis and dynamic analysis have been done to the satellite - antenna system by using the finite element analysis ( fea ) software of ansys. through the analysis we got the system ' s connatural characteristic, the amplitude - frequency characteristic of harmonic response, the power spectrum density of random vibration response, the maximal amplitude and resuming time of impact response

    其次藉助ansys有限元分析軟體,對系統進行了模態分析和動力學響應分析,獲得了不同天線結構參數下的衛星?天線系統的固有特性,簡諧響應的幅頻特性,隨機振動響應的功率譜密度,以及沖擊響應的最大幅值和恢復時間等。
  7. The first one : fitting together ultimate values of every dimensions in one dimension - chain one by one, educing many equations by itself, calculating results, and comparing these results of close dimension to find maximal and minimal values. the second one : projecting all dimensions on two preestablished axis, then providing the solutions to analyze whether every projected dimensions is increscent or decreasing, and synthesize the effect of every projected dimensions to close dimension, educing many equations by itself, at last calculating the result of close dimension. the third one : according to monte carlo analysis, getting every dimensions " values from every dimensions " tolerances at random time after time, simulating the actual circumstances of mass production using these dimensions, and calculating reasonable results of close dimension economically

    鑒于這類系統在各大中小型企業的廣泛應用與相對滯后的研究水平,本文提出了三種新的能切實地解決目前尺寸鏈計算機輔助分析解算中存在的各種難題的設計方案,第一種方案將尺寸鏈中各組成環能取的極值組合起來,自動列方程組,求解每個組合情況下的封閉環尺寸,最後比較這些結果,得出封閉環的最大最小值;第二種方案將尺寸鏈各組成環向預先設定好的兩個方向投影,之後再分析各尺寸環投影分量的增減性,並且提供了組成環兩個方向上的投影分量增減性不一的復雜情況下的解決辦法,綜合組成環各投影分量的增減性,然後自動列出方程組,最後根據各組成環的投影分量以及所列的方程組來確定尺寸鏈封閉環的尺寸;第三種方案以蒙特卡洛法為原理,在尺寸鏈各組成環的取值范圍內使用計算機產生大量隨機數,模擬實際大批量生產中的零件尺寸分佈情況,以更經濟更合理的方式分析、計算封閉環尺寸。
  8. In wireless communication, the relative movement between the transmitter and the receiver may cause the change of the electromagnetic wave propagation path, thus makes the channel become a random time - variety channel

    在無線通信中,發射機和接收機之間的相對移動會造成電波傳播路徑的改變,從而使通道變成隨機時變通道。
  9. Abstract : in this paper we analyse some predictation approaches of random time series and by using arma model we predict effectually the weighted aggregative indexes of securities market in shanghai and shenzhen

    文摘:分析了隨機時間序列的統計預測方法,並利用arma模型對深滬市未來短期指數進行了有效預報。
  10. Firstly, the forecast problem based on vendor managed inventory ( vmi, for short ) model is talked about. according to inventory demand changing with season and some random factors existing in actual problem, a new algorithm composed of a random time series forecast method and gm ( 1, 1 ) is put forward, and a mathematic model is constructed to analyze history data. as a result, the precision of the requirement forecast is increased greatly

    本文首先研究了供應商管理庫存( vendormanagedinventory ,簡稱vmi )模式下分散式庫存需求的預測方法,根據庫存需求數據具有季節性變化的特點,並考慮到這一變化的不確定性,採用基於隨機時間序列和灰度預測的組合預測演算法對問題進行建模,並在此基礎上進行分析預測,從而使數據擬合有很大程度的提高。
  11. Standard shortest path algorithms ( such as the dijkstra algorithm ) are not valid, since travel times are random, time - dependent variables. especially, the recognition version of the stochastic shortest path problems is np - complete. k expected shortest paths problem shown in this paper is one of these problems

    傳統的最短路徑方法不能解決這種非線性路徑耗費的路徑問題,尤其是同時具有隨機性和時間依賴性的網路使得最優路徑問題成為np完全問題,本文研究的k期望最短路徑就是這樣的問題之一。
  12. When the system is operating, it is checked once every random time period t to know whether it is in normal or abnormal

    系統開始工作后,每隔一段隨機時間對它檢測一次,以便判定它是正常還是異常。
  13. The failure modes are not inspected, and when the system is working, it is inspected once every random time until it attains the failure modes or until it is detected to be in an abnormal work mode

    系統開始工作后,每隔一段隨機時間對它檢測一次,直到系統故障或檢測出系統處于異常狀態為止。
  14. Every sampling plot had sampled in random time and had not related to trigger time of random equivalent sampling. and it have function of trigger in advance and information of trigger and triggered. this project made use of random sampling. the random sampling theory possess of many advantages on technology

    由於隨機等效采樣中,每一組采樣點是在隨機的時刻採集到的,而且與觸發無關,而且他可以提供預觸發的功能以及觸發時刻?觸發后的信息,所以本設計采樣了隨機等效采樣
  15. Demonstrated the first highly stable true random number generator based on the random time distribution of photons

    首創基於光子時間隨機分佈的高穩定真隨機數源。
  16. The mutual excitation between the local stimuli satisfying the rules of curve distribution ( position and orientation continuity ) called curve self - excitation is a useful method to discover and enhance curves and to inhibit noise. the present approaches used parallel connection structure division which did not acquire satifactory effect. this paper presents the idea of random time division and dynamic self - excitation, for different curves performing random time - division searches, time coincidence filtering, and self excitation accumulation. the principle is given

    利用空間分佈滿足曲線規則(位置和定向連續性)的局部刺激之間的相互激勵,稱為曲線自激,這是發現視覺邊界曲線和抑制局部噪聲的有效手段.過去的工作均採用并行結構區分的計算方式,曲線自激並沒有達到滿意的效果.本文提出隨機時分動態自激的計算方案,對不同的曲線實施隨機時分的搜索、時間一致性濾波、和自激積累等機制.本文給出了實現的原理方案
  17. The propagation characteristics of underwater acoustic channels and their influences on long - range information transmission are studied thoroughly. based on the sonar equation, the optimal frequency band is abtained. from the calculation about transmission loss, the source level is forecasted. based on the random time varying channel theory, the fading characteristics of long - range underwater acoustic channels are analyzed

    系統、深入地研究了水聲通道特性及其對水聲遠程信息傳輸系統的影響;從聲納方程出發,確定了系統的最佳工作頻段;在聲傳播損失計算的基礎上,給出了聲源級的預報;基於時變通道理論,描述了遠程水聲通道的衰落特性。
  18. In the spread spectrum communication, the continuous - waves signal is transmitted. this kind of random time - variety may cause the varieties of the amplitude, doppler frequency and the phase of the received signal

    在擴頻通信中,傳送的是連續波信號,這種隨機時變性會使接收信號的幅值、頻率和相位都發生變化。
  19. Secondly a predictive control method based on rbf neural network was presented to deal with the random time - delay. furthermore, an avoidance algorithm based on the c space was designed to enhance the robot ' s intelligence

    然後根據網路控制對機器人智能化的要求,對c空間無碰撞路徑規劃方法作了改進,提出了種基於c - t ( configuration - time )空間對動態障礙的無碰路徑搜索演算法。
  20. The paper also establish simulation model with open loop of established dynamic model of conveyor system with simulink software, and simulates the process of starting by properly setting simulation parameters, so that all dynamic parameters of conveyor at random time during starting are computed, thus steady starting and economical running are controled

    對建立的輸送機系統的動力學模型建立開環控制模擬模型,通過合理的設置模擬參數,對帶式輸送機的起動過程進行模擬,精確計算出輸送機系統任意點在起動過程中任意時刻的所有動態參數,以控制輸送機起動過程的穩定性和設計的經濟性。
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