非時域數據 的英文怎麼說

中文拼音 [fēishíyùshǔjù]
非時域數據 英文
atemporal data
  • 非 : Ⅰ名詞1 （錯誤） mistake; wrong; errors 2 （指非洲） short for africa 3 （姓氏） a surname Ⅱ動詞1 ...
  • 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...
  • 域 : 名詞（在一定疆界內的地方; 疆域） land within certain boundaries; territory; region
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 據 : 據Ⅰ動詞1 （占據） occupy; seize 2 （憑借; 依靠） rely on; depend on Ⅱ介詞（按照; 依據） according...
  • 數據 : data; record; information
  1. On the basis of experimental research, this thesis applies 2 - dimensional non - linear finite element method to the analysis of transient temperature field on the section by means of relatively high precision triangular element of six joints. when the temperature field is analyzed, finite element reseaus are divided in space field and finite difference reseaus are divided in time field, and then the program is compiled. the computing results are in good agreement with the test data

    在試驗研究的基礎上，本文採用精度較高的三角形六結點單元對構件截面二維非線性瞬態溫度場進行了有限元分析，即在空間域內採用有限元網格劃分，在時間域內採用有限差分網格劃分，據此編制了計算程序，計算結果與試驗數據符合較好，程序穩定性好，精度滿足要求。
  2. Due to the short distance among the planes which fly in a group, the conventional low resolution radar can not distinguish them in both distance and azimuth ? if we use the technology of isar to resolve the difference among doppler frequency of the targets and obtain a fine resolution cross - cross image, we may separate them, but a long time of coherent processing is needed <, for the formation targets, it can be approximately divided to rigid body and nonrigid body, so for the formation targets, that can be regarded as rigid which has a relative position and an identical movement, can be approximately considered as a large target, and be compensated by translational phase with the rule of minimum entropy, but for the most those cannot accord with the approximation of rigid, being the doppler - frequency of the aim is linear changed, by the relax method with short data, increases the resolving performance of multiple target to the aim in the frequency domain, since cross - range resolution is based on the accumulative time, so it is greatly improve the resolution to formation targets by the instant cross - range image which produced by radon - wigner transformation

    低分辨isan成像及干涉技術應用研究一因此直接無法分辨編隊目標的架數，我們借鑒isar的技術，通過較長時間的相干積累，在多普勒頻域上對目標進行分辨。而對于編隊目標，可分為近似剛性的多目標和非剛性的多目標，所以對于可以近似為剛體的編隊目標相對位置固定，運動方式一致，可以近似看作一個大目標，採用最小墑準則對平動相位的進行補償，但是大多數並不滿足剛體近似的編隊目標，由於目標在相干積累時間的多普勒頻率近似呈線性變化，通過對較短數據利用relax的時頻分析方法，提高了頻率域上目標分辨的性能。由於橫向解析度取塊于橫向積累時間，所以利用radnwigner變換得到瞬時的一維橫向距離像大大提高了對編隊目標的分辨，對模擬和實測數據的大量分析結果表明此方法的有效性和可行。
  3. On account of entirely polarization field scan put forward rigorous demand to antennas and data processing cells, the demand is so rigorous that it is difficult to settle for actual project

    由於全極化域掃描對天饋系統及後端數據處理單元提出了非常苛刻的要求，以至很難實時的解決。
  4. But, the measured - data is a very great quantity and every data contain all data of 1 - 25 harmonic, measured time can have hours to days. the count by hand is very heavy and over - elaborate, sometimes the statistics results is error. it won " t reach the analysis purpose and don " t obtain the curve of harmonic oscillation characteristic in a row frequency range

    可是，測試數據經常是大量的，每一組數據又包含從基波到25次諧波的所有數據，測試時間可能是幾個小時，有的甚至是幾天時間，這樣的工作量由人工完成是非常繁重的，又是非常繁瑣的，有時還統計不出正確的數值，起不到應有的測試分析目的，更無法獲得連續頻域內的諧波諧振特性曲線。
  5. An efficient wind field simulation technique for wind - induced vibration analysis of long - span bridges is first introduced in this paper ， and the statistic characteristics of the simulated wind field are then discussed on this basis ， the time - domain expressions for the buffeting and self - excited forces acting on long - span bridges are further given a simple and practical method is presented for the non - linear parameter identification involved in the calculation of self - excited forces by using the above theory ， the wind field and aerodynamic forces acting on the hong kong ting kau bridge are obtained the time - domain buffeting response analysis of the bridge shows that the analytic results agree quite well with the experimental ones this indicates that the theory presented in this paper has reached a practical level

    介紹了一種快速高效的用於大跨度橋梁風致振動分析的風場模擬方法，並對模擬風場的統計性質進行了討論和驗證在此基礎上進一步給出了大跨度橋梁抖振力和自激力的時域表達方式，其中針對自激力計算中涉及的參數識別問題，提出了一種簡單實用的非線性參數識別方法本文採用上述理論，獲得了作用於香港汀九大橋上的風場和氣動力，據此對大橋進行的抖振響應時域分析表明，計算結果與風洞試驗結果吻合良好，說明文中述及的這套理論已達到實用的階段
  6. In this dissertation, the numerical computation for the acoustic radiation problem ( arp ) is studied deeply and systematically in the theory, method and the application technique, based on analyzing the situation of the home and abroad on the numerical computation for the acoustic radiation problem. the calculation formulas of the boundary element method ( bem ) for the exterior acoustic radiation problem in the full - space and half - space are deduced, based on the wave propagation theorem ; the arising of the non - unique solutions, which is associated with the application of the boundary integral equation ( bie ) in acoustic radiation problem, is analyzed and proofed ; the improved combined helmholtz integral equation formulation ( ichief ) is presented to overcome the non - uniqueness problem more effectively and reliably ; the determination of the singular integral coefficients on various occasions is analyzed ; the properties and treatments of the singular integrals with different orders axe studied ; the computation program of the cubic spline ichief is developed and its ability to overcome the non - uniqueness problem and feasibility to discrete the surface coarsely with the sufficient calculation precision are examined through examples

    第二章在聲波動理論基礎上，詳細地推導出對應于無限域和半無限域的外部振動聲輻射問題的邊界積分方程計算公式；根據fredholm積分理論，對利用邊界積分方程計算振動聲輻射問題過程中解的非唯一性的產生進行了分析和證明；改進了chief法以提高其克服解的非唯一性的有效性和可靠性；對不同條件下奇性系數的計算、強奇性積分的收斂性及其在變量替換時與普通積分的差異性、不同階奇性積分的計算、數值求積分等進行了研究；開發了三次樣條改進chief法計算軟體，並通過算例考核了該方法在特徵波數處克服解的非唯一性的有效性和在保證計算精度的前提下實現剖分粗化以提高計算效率的可行性。
  7. Since the code set and territory can only be defined at the database creation time and those settings cannot be changed afterwards, there is no easy way to migrate a non - unicode database to a unicode database

    因為編碼集和區域只能在創建數據庫時定義，之後不能修改這些設置，所以沒有將非unicode數據庫遷移到unicode數據庫的簡便方法。
  8. 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。
  9. Subsequently, taking into consideration the characteristics of audio data over internet including delay, jitter, packet loss and etc., we propose a series of methods for solving this above problems, such as pre - storage technology, buffer technology, dynamic adjustment of the voice - coding rate to the state of network and integrated media synchronization playing mechanism, and etc. in the end, simulation on 10 / 100m lan is made using the above methods, and the result of the experiment demonstrates the method has good performance and can improve the quality of the audio data transmission

    其次本文還深入研究了語音數據在非實時的internet數據網上的傳輸特性，這些特性包括延時、延時抖動、數據包丟失等。在本文的設計方案中提出了針對這些問題的解決方法，包括預取機制、設置緩沖區技術、動態速率調節技術以及媒體綜合同步播放機制等。最後採用這些方法在10 100m局域網上做了模擬實驗，實驗結果表明本文提出的方法是有效的，在網路狀況惡劣的情況下能夠改善語音播放質量。
  10. Various research methods were employed. experiments, investigations, data analysis and research on literature carried out in and out of class all contribute to the conclusions obtained. meanwhile, drawing on the research results in the field of emotional education both at home and abroad, great effort was taken to make a valuable probe on the positive effects generated by emotional factors in the junior middle school classroom teaching management

    本研究試圖在充分考慮學生認知因素的同時以情感教育為切入點，側重於在中學課堂教學管理中調動學生非智力因素? ?情感的積極作用，採用實驗法、調查法、數據分析法、文獻研究法等，在中學課堂范圍內進行分析研究，同時借鑒國內外在情感教育領域的研究成果，就情感因素在中學課堂教學管理中所產生的積極作用做了一些有益的探索。
  11. In the end, in view of the fact that boussinesq - type equations and the mild slope equations are deduced from different hypothesis conditions and behave differently in simulation of wave propagation, the numerical results of wave propagation effected by strong non - linearity are given by the nonlinear three - dimensional mathematical model which was established for the calculation of 3 - d wave particle velocity and wave pressure and suitable to small size waters of arbitrarily varying depth

    最後，鑒于boussinesq型方程和緩坡方程是在不同的假設條件下推導而來，應用於描述近岸水域波浪的傳播變形時具有不同的特點。本報告根據作者所建立的可以對任意水深點流場與波動凈壓力場進行求解、適宜水深任意變化水域非線性波傳播的數學模型，提供了在較強非線性作用下波浪傳播的數值模擬結果。
  12. Then the experimental data was analyzed in time domain and frequency domain. thirdly the hilbert translation method was used to detect the nonlinearity of the system. at last the model of this kind of system was identified, the result show that the theory model is the same format as the experiment model

    然後利用振動臺做掃頻試驗，對試驗數據在時域與頻域進行分析處理，利用hilbert變換檢測系統的非線性，分析系統的非線性特點，在此基礎上進行系統的模型識別，並將實驗建立的模型與理論模型進行比較。
  13. As a part of the civil 863 plans, two multiple - contact models for two kinds of braking system are built in the paper, in which contact fields are described as coons surfaces, initial velocity is programmed in fortran. the thermal - mechanical coupling braking processes are simulated for the first time by msc. marc, the general - used nonlinear fem software. time distributions of the velocity, the stress and the temperature of the components under various initial velocity and brake force are obtained, which offer theoretic gist to study the life of the wheel, the disc and so on

    作為國家行業863重大課題《鐵路機車車輛虛擬樣機系統》的一部分，本文在研究接觸問題和熱?機耦合問題數值方法的基礎上，採用國際上通用的非線性有限元分析軟體msc . marc建立了踏面制動和盤形制動主要部件的多體接觸計算模型，其中用解析方法描述，即用nurb曲線、高斯曲面來描述接觸區域，用fortran語言編寫定義初速度的用戶子程序，首次對兩種制動過程熱?機耦合進行了數值模擬，定量給出了主要制動部件在不同初速度、不同制動力下各個時刻的速度、應力和溫度的變化規律，為研究車輪、閘瓦以及制動盤壽命提供了理論依據。
  14. Using 3d 20 - node iso - parameter, 3d 12 - node infinite element and 3d 16 - node interface element, a coupled numerical approach for pile group - soil system under lateral loads is set up. a corresponding three - dimensional, nonlinear and elastic - plastic program ( epagpll ), include two materials and four nonlinear constitutive relations, is worked out by fortran 90 computer language. in the analysis the nonlinear e - model, k - g model and cambridge model with two yield surfaces are employed in the analysis of near - field soil, and the nonlinear analysis method is used in the piles - soil interface and distant - field soil

    本人用有限元進行樁體和近域土的分析，對遠域土體採用無限單元，在樁土之間採用接觸面單元，建立了平面8節點環狀單元6節點無限元6節點接觸面單元相耦合的數值計算模型；針對豎直受力樁的流變分析，本人用內嵌于autocad的vba語言編制了前處理程序，可以快速形成包括網格、節點編號、單元編號在內的數據文件，供計算程序使用；同時在前人關于流變問題研究的基礎上，引進土體非線性流變本構模型，利用有限元、無限元、接觸面單元相結合的方法，用c + +語言編制了相應的計算程序。
  15. But the multivariable nonparametric regression function could not be well estimated by the local estimator because there is o nly a little data in the local fields of the high dimension regression variable x. this phenomenon is said to be " the curse of dimension "

    但當回歸變量是多維向量時，由於x的局部鄰域包含很少的數據，用這些估計方法，很難估計出一般的多元非參數回歸函數，人們把這種現象稱為『維數禍根』 （ thecurseofdimension ） 。
  16. Aspect to association rules mining, constructing two mining modes : static mining and dynamic mining ; implementing two level mining : single - level mining and domain - level mining. about classification engineering, the mainstream classification techniques were compared through thoroughly experiments, and some improvement was made to decision tree toward the concrete problem, which make naids detect some new type attacks and this kind of capability embodies the advantage of anomaly detection over misuse detection ; incremental mining approach was put forward which detect one window data amount, instead of batch of tcp / ip record, which was very suitable to on - line mining and make naids be high real - time performance

    在關聯規則挖掘上，建立了兩種挖掘模式：靜態挖掘模式、動態挖掘模式；實施兩個層面上的挖掘：單層面挖掘、領域層面挖掘；在分類引擎的構建上，通過實驗綜合比較了主流分類技術，並針對具體問題對決策樹分類方法進行了應用上的改進，從而使得naids系統具備一定的檢測新類型攻擊的能力，而這個特性正是異常檢測的優勢所在；所提出的增量式挖掘方法由於每次只監測一個窗口的數據量，而不是批量處理網路日誌，所以非常適合在線挖掘，從而使得naids在實時性上有較好的性能表現。
  17. This paper focuses on the research of fuzzy control, especially rule self - adjusting fuzzy control method. by theoretic analysis and simulations, the influences of parameters and system performance characteristic of some kinds of rule on - line self - regulating fuzzy control methods are discussed, and a novel real - time self - adjusting fuzzy control method ( vsrsafc ) is proposed from the diagrammatic point of view. in vsrsafc, the slope of the rectifying curve of rule scaling factor a is altered by the fine - tuning and coarse tuning combined mechanism to adjust the fuzzy control rules according to error e and error change ec, which more coincides with characteristic of system response than the conventional self - adjusting method that adjusts rule scaling factor only according to the error e, and has better static and dynamic performances than the latter

    其中變斜率規則自調整模糊控制的效果較為明顯，它是基於插值的非線性規則自調整模糊控制的引申以及常規全論域規則自調整模糊控制的改進，該方法採用粗、細調結合機制，通過改變規則調整因子的修正曲線斜率，使系統同時根據誤差e以及誤差變化ec在線調整模糊控制規則，比傳統的僅基於系統誤差e的自調整方法更符合系統響應特性，可獲得更好的動靜態控制性能，特別是對于系統參數發生改變、控制參數選取不當等不良狀況，控制器仍能較快自調整，具有較強的在線自適應能力。
  18. The researchers in different subjects can use the rnai technology which afford a bridge function, and the speed increased so fast that we need built a information database help our scholar get more recent news about the silent gene and target sequence by convenient way. and the database can accept the rnai information refered by related scholars. rnai involve into so many different subjects, so, the setup of rnai database will be convenient for researchers to quickly find out the gene and target sequence which have been silently and avoid repeated working

    Rnai技術涉及多個學科的交叉，醫學，生物等相關領域的工作人員都可以利用rnai技術進行研究工作，目前運用rnai技術進行研究的工作正大量的成倍的增長，因此建立的rnai信息數據庫能使相關研究人員可以快捷、及時地獲得已通過rnai沉默的基因和靶序列，這對相關人員就有非常大的意義。
  19. Nowadays, digital image processing has been an important part of information processing, in numerous applications, especially in astronomy 、 medicine 、 military fields, the authenticity of image data is highly required. but in many image processing systems, image degradation is inevitably avoided owing to image transmission and conversion, such as the image formation 、 scanning and so on. the typical result behaves blurry 、 distortion 、 having noise etc. in order to denoise and improve the image quality, image restoration has an important meaning

    目前，數字圖像處理已經成為信息處理科學的一個重要部分，在眾多的圖像處理應用中，尤其是在天文學、醫學、軍事應用領域都對圖像數據的真實性有較高的要求，即使日常的圖像通信也要求獲得盡可能高的質量，但在各類圖像處理系統中，由於圖像的傳送和轉換，如成像、復制、掃描、傳輸、顯示等，不可避免的要造成圖像的降質，典型的表現為圖像模糊、失真、有噪聲等，為了去除噪聲、改善圖像質量，圖像恢復具有非常重要的意義;除此之外，很多情況下常常要求及時甚至實時地得到真實的圖像數據。
  20. When the eccentricity distance is different, the distribution form of average pressure density in machining zone is given. in the lapping and polishing experiment, sic materials can be evenly removed by choosing reasonable process conditions and parameters, and the surface will convergence to prefect shape. this is helpful to the study on quantificational machining technologies of aspheric components

    主要內容和創新點包括： 1 、根據平面研拋的成形原理和材料去除特點，建立了工件表面相對運動軌跡的數學模型，給出了不同偏心條件下加工區域的平均壓強分佈形式；在sic工件的平面研拋實驗中，通過選擇合適的加工條件和對工藝參數進行調整，能夠實現表面材料的均勻去除，獲得理想的工件面形，同時也為非球面確定量研拋提供工藝指導。
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