two-dimensional time 中文意思是什麼

two-dimensional time 解釋
二維時間
  • two : n. (pl. twos)1. 兩人;兩個東西,一對。2. 二的記號。3. 兩點鐘。4. 兩歲。n. -ness
  • dimensional : adj. 1. 尺寸的。2. 空間的。3. 【數學】因次的;…次(元)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. Based on the analysis of the beat frequency signal, the expression of the beat frequency phase is deduced. the expression indicates physics meanings of quantities to be detected and supplies theoretical bases for detection methods. by using two - dimensional fft, the range and velocity information of target is got out from the echo. according to the periodicity range ambiguity of symmetrical pulses in fmpcw, the processing method of sliding time window is used

    通過對差頻信號進行的分析,得出了差頻相位的具體表達式,表現出了要檢測的各量的物理意義,對檢測的方法提供了理論依據。利用二維fft方法,可以有效地提取回波中目標的距離與速度信息。對于fmpcw信號由於均勻脈沖產生的周期性距離模糊的問題,採取時間波門的處理方法。
  2. In this thesis, a new finite difference time domain ( fdtd ) method is developed to treat a two - dimensional photonic crystal consisting of nearly - free - electron metals. the method is used to calculate the band structures and investigate defect modes and guide modes in such a photonic crystal

    本論文首先發展了一種基於等離子模型的有限差分計算方法,並應用於二維金屬光子晶體,有效地計算了該類光子晶體的能帶結構。
  3. In this article, the fundamental principle and current research of optical data storage including cd and dvd, three - dimensional optical data storage and near - field high - density optical data storage are summarized. a two - dimensional finite difference time domain program for analysis of solid immersion lens system is compiled

    本論文概述了已產業化的以cd和dvd為代表的光盤存儲技術和在開發中的高密度光存儲技術(主要包括三維光數據存儲技術及近場光學超高密度光存儲技術)的原理及研究現狀。
  4. Application of comprehensive two - dimensional gas chromatography time - of - flight mass spectrometry to analysis of zedoary volatile oil

    飛行時間質譜法在莪術揮發油組成分析中的應用
  5. Although two dimensional visualization algorithms have been widely used in the engineering software, most of the advanced 3d methods are now still under research because it hardly meet the real - time requirement of engineer apply due to the complexity of three dimensional

    二維數據場可視化的技術發展比較成熟,目前已經在各種工程計算軟體中得到廣泛的應用。但是三維數據場的可視化方法由於三維物體的復雜性還很難滿足工程應用的要求,目前仍處于探索階段。
  6. The system of piv is constructed suitable for measuring the particle movement and the flow pattern of particle clusters is visualized in the cfb. under the low and high solid flux, this work also study the aggregate properties such as the two - dimensional shapes, velocity and existence time of clusters on several axial / radial positions

    對循環流化床冷態實驗臺兩測試段進行了流型和顆粒團可視化研究,分別獲得了較低循環流率下過渡區和在高循環流率下稀相區顆粒團的運動速度,形狀,持續時間及其動態變化情況。
  7. Two - dimensional finite - difference time - domain forward simulation for ground penetrating radar model

    地質雷達二維時域有限差分正演
  8. I analyze the economic effect of crane management through the calculation of standard inspection & maintenance time and definition of related mathematics model. finally, i propose two - dimensional evaluation index system of crane management

    通過對現行設備標準檢修臺時的計算和相關數學模型的建立,對設備管理的經濟合理性進行實例分析,提出了設備管理的二維評價指標體系。
  9. A comprehensive two - dimensional gas chromatography / time - of - flight mass spectrometry ( gc gc / tofms ) method has been developed for the characterization of phenols in mainstream cigarette smoke condensate

    建立了卷煙主流煙氣粒相物中酚類化合物組成研究的全二維氣相色譜飛行時間質譜方法,並用所建立的方法對一種市售混合型卷煙主流煙氣粒相物中的酚類鎦分組成進行了表徵。
  10. A two - dimensional finite element program, in digital visual fortran version 6. 0 language, is developed for the numerical computation. due to time limit, elastic modeling is adopted while writing program

    在此基礎上用digitalvisualfortran語言編制了相應的二維彈性有限單元程序,並通過算題論證了程序的準確性。
  11. Web - based two - dimensional and three - dimensional graphical products are generated to facilitate forecasters interpretation. model - extracted information is customized and packaged for optimal visualization, e. g. time - series forecast of surface wind, temperature, humidity, cloud cover and cumulative rainfall over hong kong

    為方便發出本地天氣預測,從模式抽出的預報資料,包括香港的地面風氣溫濕度雲量及累積雨量,更會整理成時間序列
  12. The formulation for the flow model is given using the finite element / control volume ( fe / cv ) technique based on darcy ' s law of creeping flow through a porous media. the heat transfer model is based on the two - dimensional, transient heat conduction equation, including heat generation. the cure kinetics model is based on kamal ' s model, and the degree of the resin cure as a function of temperature and time

    樹脂流動階段的模擬是根據牛頓流體在多孔介質中的滲流理論,應用darcy定律並使用有限元/控制體技術建立起來的;熱傳遞模型是一個二維瞬態熱傳導方程,考慮樹脂反應放熱;樹脂的固化模型利用了kamal提出的固化動力學方程,將固化度取為時間和溫度的函數。
  13. Design and implementation of real - time radiotherapy tps based on two - dimensional localization image

    基於二維定位圖像的實時放射治療計劃系統的設計與實現
  14. This thesis devoted to study three - dimensional data stored in database, three - dimensional optimization, the corresponding algorithm of two - dimensional data and three - dimensional data and principle of interactive technical application of virtual reality with three - dimensional model at the theoretical research. the goal of technical research is to develop a set of interactive system based on virtual reality and web with the ordinary computer, namely create a real - time and lifelike virtual reality environment without special hardware equipment, and applies this environment to the interactive system like inquiring, thus to set up a kind of high - quality interactive visiting and inquiring system based on technology of a new generation virtual reality

    理論研究的目標致力於三維數據在數據庫中的存儲、三維模型的優化、二維坐標與三維坐標的對應演算法及虛擬現實互動式技術應用的原理;技術研究的目標是在web環境下,利用普通微機開發出一套基於虛擬現實技術的互動式系統,即在無需特殊硬體設備的條件下,能夠創造一個實時逼真的虛擬現實環境,並將此環境應用於查詢等互動式過程,從而建立起一種基於新一代虛擬現實技術的高質量的互動式訪問與查詢系統。
  15. Pile ng examination of the system based on the latest promulgated by the ministry of public security, " motor vehicle drivers license application and management " ( decree 71 ), the two examination subjects ( zhuangkao ), computer images using real - time detection technology and electronic infrared optical interface detection technology, i combine the companies creating two - dimensional moving object identification and tracking software through acquisition of vehicles running state examination pile pole, the signal line, after computer processing, analysis and judgment, the actual realization of the computer monitor screen on the basis of the examination process real - time simulation, tracking examination candidates track and record car line, is set admission, examination results published combines the real modernization zhuangkao tools

    本系統依據公安部最新頒布的《機動車駕駛證申領及管理規定》 ( 71號令)中有關科目二考試(樁考)的規定,採用微機圖象實時檢測處理技術及電子紅外線光界面檢測技術,結合我公司獨創的二維移動物體識別跟蹤軟體,通過採集考試車輛運行狀態、樁桿、庫線等信號,經過微機處理、分析判斷,真正實現了在微機監視屏上根據考試過程實時模擬、跟蹤考生考車軌跡並記錄路線,是集錄取、考試、發表成績為一體的真正的現代化樁考工具。
  16. Comprehensive two - dimensional gas chromatography - time - of - flight mass spectrometry gc gc - tofms new technique and its applications in analyzing very complex samples

    飛行時間質譜新技術及用於極端復雜樣品的研究
  17. These ideas, published in a research paper in 1998, built on the discovery that certain mathematical quantities known as knot invariants were associated with the quantum physics of a two - dimensional surface evolving in time

    傅利曼的想法奠基於一項數學發現:某些屬于結不變量的數學量,和二維曲面隨著時間而演變的量子物理有關。
  18. And then, in the simulation of three - dimensional, the application of o - type grid and hybrid grid are used in two relatively complicated structures make the total amounts of grids and the time of grid generation reduced greatly. moreover the hexahedron grids are placed in most areas to provide higher precision. through the comparison between the results of two - dimensional and three - dimensional simulation, we knew two - dimensional calculating is not adequate

    本文用簡單、方便的二維模型作為數值計算的起點,使用耦合隱式演算法以及先進的v2f湍流模型進行求解,成功地捕捉到了激波,觀察到主氣流從壁面的分離、切換、再附壁等現象,並對計算結果進行了細致的分析,得出一些有意義的結論;在此基礎上,本文在國內外首次對超音速射流雙穩閥的三維流場進行了計算。
  19. Based on 0 - d core physics model, the core parameters of low, moderate and high aspect ratio are calculated by system code. in addition, an advanced plasma configuration for fds system has been proposed, which aims at high beta, high bootstrap current and good confinement. in order to determine the feasibility of fds operation, a two - dimensional time dependent free boundary simulation code has been adopted to simulate time - scale evolution of plasma current profile and boundary position

    在建立零維堆芯物理模型基礎上,利用系統分析程序計算了堆芯物理參數,分析了fds -標準環徑比情況的先進運行模式,並對其位形演化進行了放電模擬,獲得比較滿意的結果,為fds -系統概念設計奠定了基礎。
  20. Construct some two - dimensional time - spreading / frequency - hopping codes based on oocs and prime codes, propose the coders and decoders to implementing them, prove the correlation performance and capacity. 4 study the optical cdma systems. ( a ) analyze the performance of spreading time incoherent ocdma system and scheme to improving the system ' s performance

    在ooc (光正交碼)及primecodes (素數碼)的基礎上提出了幾種新的二維光時域頻域組合碼和其實現方案,並對其相關性、容量進行了證明。
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