data simulation 中文意思是什麼

data simulation 解釋
數據模似
  • data : n 1 資料，材料〈此詞系 datum 的復數。但 datum 罕用，一般即以 data 作為集合詞，在口語中往往用單數...
  • simulation : n. 假裝；模擬；裝病，裝瘋；【生物學】擬態，擬色。
  1. And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the

    研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測，設計了根據駕駛員感受度來衡量超車過程的實驗方案，並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值，為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時，還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案，統一了計算加速度干擾的時間統計間隔，為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。
  2. Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box

    綜合介紹了邊界元法在聲輻射問題上的理論及應用；並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法，並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序，並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據，實現聲音的可聽化，隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。
  3. The 3dvar data assimilation system has the ability to assimilate gms - 5 cloud drifted winds and toys data. the numerical simulation experiments of typhoon processes are carried out using the 3dvar data assimilation system

    該同化系統有同化gms一5的紅外和水汽軌跡風數據和tovs溫濕數據的能力並可在pc機的linux系統下順利運行。
  4. Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution

    在此基礎上模擬在冬夏兩季不同情況下，不同流速對熱管空氣預熱器壁面溫度的影響；然後對影響整個流場分佈的各種因素：包括分流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行數值模擬；最後提出在分流煙道轉彎處加裝導流板，並模擬加裝導流板后的流場分佈，得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面速度場分佈、濃度場分佈，以論證加裝導流板能達到流場均勻化的作用。
  5. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先，系統分析了影響黃河水位的水沙因素，及僅用水沙因素有效研究水位的可行性，並按變量對應思想採集它們的相應數據；其次，由於相應水位過程數據中含極強的非線性關系，本論文經細致的理論分析，將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合，提出了能有效實現這類數據高精度擬合的分層篩選法，並改進了統計學中多因子（三個以上）方差分析法；再次，將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合，實現了這一典型非線性關系的高精度擬合，各年汛期上下游相應洪水位過程的擬合誤差都較小；最後，明確黃河下游含沙量對水位的主要影響方式，即含沙量主要是與其它因素聯合對水位作用；另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。
  6. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網路環境下，通信頻帶資源緊張，音頻傳輸帶寬有限且復雜多變，而各種音頻數據又日益增多的局面，本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義，在前人不斷工作的基礎上，提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法，兼考慮了編碼效率、多碼率和壓縮時延多個方面，並在matlab環境下做了模擬實驗，對各種音頻信號及多種小波函數做了模擬結果比較，實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果，達到多碼率下實現實時編解碼的過程，在高速dsp晶元等硬體設備支持下，可以有效應用於實際復雜多變信源編碼。
  7. Finally, the effectiveness and practicability of this method is demonstrated by the simulation results of the famous box - jenkins gas furnace data and mackey - glass chaotic time series

    與以往的模糊聚類辨識方法相比，所需cpu時間大大縮短，具有較高的辨識精度。
  8. Chapter 3 studies the false target jamming. jamming signal generation formula is proposed by the investigation of simultaneous ground echoes of two different point targets in radar beam. comprehensive research about the characteristics of jamming signal is made, and raw data is used in simulation

    第三章對虛假圖像干擾進行了研究，通過對雷達波束內兩個不同的點目標在同一時刻的回波信號進行的分析比較，推導了干擾信號的生成公式，對干擾信號的特徵作了詳細的分析，並結合實測數據做了模擬實驗。
  9. No domestic corporation has set foot in it until now. however, existing overseas simulation softwares have some problems. for example, they are all very expensive and usually have big error in data simulation

    然而現有的cdma模擬軟體普遍存在采購價格高昂、數據業務模擬與實際結果差異極大的問題，同時目前也沒有一種模擬軟體能夠對got （ a開放式集群結構globalopentruckingarchitecture ）系統進行模擬。
  10. The integrated simulation of wide area data distribution emerges as an issue with the interconnection and development of area network. while the conventional power flow and reactive power optimization methods are usually based on concentrated network data, the integrated network data simulation becomes intricate since the network power scheduling management by voltage levels and areas under various dispatching centers is hard to concentrate

    傳統的潮流、無功優化等方法都基於集中的電網數據資源，而當全網數據因電力調度管理的分層分區控制分佈在不同的調度部門難以集中時，如何對數據資源廣域分佈的電網進行一體化模擬就成了一個非常突出的問題。
  11. The deviation introduced by reference phase shifting errors on four - steps and five - steps algorithm are analyzed. based on the principle of phase algorithm, a novel compensation method of reference phase - shifting error is described for four - steps algorithm and the five - steps algorithm. the theoretic analysis and data simulation indicate that the phase deviation arising from the first and the second harmonic reference phase - shifting errors can be eliminated using this method

    在研究相位偏移干涉測量技術基礎上，重點研究了五幅演算法計算精度及移相誤差對計算結果的影響；提出了四幅演算法及五幅演算法移相誤差補償方法，理論分析及模擬模擬結果顯示，該方法可以補償移相過程中一階移相誤差及二階移相誤差對相位偏移干涉測量精度的影響。
  12. According to the tracking principle being exploited, we make the simulation plan and flow chart, and emphasis on discussing the facts that the tracking receiver in antenna systems affects the capturing and tracking systems. the data simulation model of the tracking receiver is built up. using matlab simulation, we verify the fact, investigate the accuracy factors and finally conclude all in practice

    在自動跟蹤系統中，跟蹤接收機作為核心控制單元，根據所採用的跟蹤方式的原理，制訂模擬方案，確定模擬流程，重點討論了天線系統跟蹤接收機性能對捕獲跟蹤系統的影響，研究並建立了跟蹤接收的數字模擬模型，通過matlab模擬軟體系統進行了模擬分析和驗證，研究了各種參數對系統精度的影響，得到了有實用價值的結果。
  13. The proposed state - space monitoring approach is tested on a pulp digester. 4sid method is used to develop a state - space model of multi - dimensional batch variables correlation from nomal operating data. simulation results on pulp quality control and process monitoring shows the effectiveness of the method

    4 、在上述研究的基礎上，以間歇蒸煮為應用背景，對過程輸入輸出數據進行子空間辨識，建立了狀態空間模型，應用於該過程的紙漿質量控制和過程監視。
  14. 4. based on the raw data simulation algorithm, a method of developing distributed target ' s raw signal simulator of spaceborne sar is given

    本文在星載sar分佈目標原始數據模擬方法基礎上，提出了一種星載合成孔徑雷達分佈目標回波模擬源的實現方法。
  15. First, the thesis discusses compton scattering energy spectral data simulation using monte carlo method

    首先，本文討論了康普頓散射能譜的蒙特卡羅模擬方法。
  16. For the svr, we do experiments of the function approach using artifical and real data. simulation results show the improvement of gerneralization errors and the number of svs

    對svr作了人工數據和自然數據的函數逼近實驗，同樣取得了很好的結果，特別是自然數據的結果中誤差和sv的數目大大減少。
  17. There are three nice features in our model : ( 1 ) a proof of the system to the steady status in the case of w = 2, and some concrete simulations in the setting w > 2 are presented ; ( 2 ) a new approach that accelerates the system reaching the steady state with minimum costs, as well as the illustration of the data simulation, is presented. ( 3 ) comprehensive theoretical analysis with the help of the explored rules available in section 5 is provided

    該模型對davida . cooper提出模型的改進在三個方面： （ 1 ）給出w = 2時，系統能夠到達穩定狀態的理論證明和w > 2時，系統趨于穩態過程的模擬結果； （ 2 ）詳細分析系統由暫態向穩態過渡的方法，歸納出系統由暫態向穩態過渡中存在的規律。
  18. The dissertation thoroughly studies the distributed target ' s raw data simulation of spaceborne sar, the main contents of it are as follows : 1

    本文對星載sar分佈目標原始數據模擬進行了深入而細致的研究，其主要內容可歸結到以下幾點： 1
  19. I am sure the study of the distributed target ' s raw data simulation will have definite reference and applications value for the study of sar system ' s design and imaging

    相信本文的星載sar分佈目標原始數據模擬研究工作對星載sar的應用和系統研究具有一定的參考和應用價值。
  20. This text mainly studies on the problems of raw echoed data simulating methods and imaging of sar. it is expected that the work will do a meaningful quest and some contributions to the research of sar raw echoed data simulation

    本文主要研究了sar原始回波數據模擬方法及成像問題，希望對sar回波模擬方面的研究做出有意義的探索和貢獻。
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