流線跟蹤 的英文怎麼說

中文拼音 [liúxiàngēnzōng]
流線跟蹤 英文
streamline trace
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : Ⅰ名詞(腳的後部或鞋襪 的後部) heel Ⅱ動詞1 (在後面緊接著行動) follow 2 (指嫁給某人) be marrie...
  • : 名詞(腳印; 蹤跡) footprint; track; trace; trail
  • 流線 : filament line; filum aquae; flow line; streamline; streamlining; line of flow; stream filament流...
  • 跟蹤 : follow the tracks of; tail after; following; follow up tracing; track; tracking; trail; lock on; ...
  1. Cathode and anticathode electric current distributing online detect equipment can trace aluminum electrolysis pot and document the electric current data change. by avail of this data, the relation of anticathode and cathode will be discovered. furthermore, some unknown rule may de discovered by online analysis and data mining. in this paper, author has completed a full study toward the production of aluminum electrolysis

    陰、陽極電分佈在檢測裝置記錄了大量的鋁電解槽在平穩運行和發生針振時的陰、陽極電分佈變化情況及方差變化情況的原始數據;從理論上講,在這兩者之間存在一定的對應關系,通過對陰、陽極電分佈的實時、在檢測,可以對電解槽的穩定性進行判斷,從而找到一種全新和更有效的管理模式。
  2. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制方式( 16qam和4 - qpsk )進行了模擬工作並給出了模擬結果,同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試;然後在基於軟體無電思想的數字處理平臺(該數字處理平臺實現了中頻數字化)上用dsp軟體完成了載波的相位
  3. This paper, based on normalizing well logging data while drilling and correcting depth into true vertical depth and calculating reservoir parameters and etc, combining the practical ease of mobei oilfield, extracted logging and geological pattern characteristic of target oil - gas formation and geosteering mark formation, and used bp neural network and regressive analysis to create predicting mode of geosteering parameter to build relevant contrast curve ; adopted geometry geosteering method to fix on die drilling direction of bit upper and declination, the position in reservoir, to judge the real drilling case. all finely solved the problem to follow the geological target while drilling for three horizontal well these methods improve the drilling horizontal well ability by using the techniques to follow the geological target while drilling, and then it is convenient and practicable

    本文在開展隨鉆測井資料的標準化和斜井校正及儲層參數解釋與含體性質判釋等工作的基礎上,結合研究工區莫北油田的實際情況,提取了目標油(氣)層和導向標志層的測井地質模式特徵,並採用bp神經網路法和回歸分析法建立了地質導向參數的預測模型、構造了相應的對比曲;採用幾何導向法確定鉆頭上下傾鉆進方向及其在目標層的位置,以判斷實際鉆進地層情況,很好地解決了研究工區三口水平井的隨鉆地質目標的問題。
  4. It not only solves the problem of optimized control of the reactive current exchanging among branches, in other words, realizes the auto - tracking to the reactance factor, but also greatly improved the reliability of the system. to design the high voltage line wireless signal acquisition device with self - feed source, we applied electromagnet induction principle and digital communication technique

    系統在優化控制技術中採用了電容器補償控制的兩段控制模型,不僅解決了分支路之問穿越無功電的最優控制問題,實現了功率因數的自動,而且使整個系統的可靠性大大提高。
  5. Firstly, some basic properties of the limit shadowing are given ; secondly, we give the characterization of both lin - ear automorphisms and linear flows on r ~ ( n ) with the limit shadowing property ; thirdly, as applications we prove that the hyperbolic endomorphisms on t ~ ( n ) have the limit shadowing properties, smale " horseshoes " have the same prop - erties on their invariant sets

    首先,給出了極限性的一些基本性質;其次,得到了n維歐氏空間上性自同構及具有極限性的特徵;最後,作為應用證明了雙曲環面自同態以及smale 「馬蹄」在其不變集上具有極限性。
  6. The hardware consists of 1, 500 active rfid wheretag transmitters temporarily attached to new vehicles as they roll off the assembly line as part of the wherenet vtms system ; 700 wheretag transmitters that are permanently fixed to trailers belonging to nissan ' s dedicated suppliers or temporarily attached to others as part of the yard management application ; 120 whereport magnetic " exciters " positioned between gates and at key choke points across the complex ; and a local infrastructure of 80 wireless wherelan locating access points, according to wherenet

    車輛與管理系統包括1500個臨時安裝在新車體上的rfid傳感器; 700個傳感器被永久安裝在尼桑公司供應商的運輸車上或臨時安裝在其他車輛上以便進行車場管理; 120個磁性激發器將安裝在門口和場區重要節點;以及一套80個無定位接入點的內部系統。
  7. With the mathematic model of tracking beam current by velocity, real - time tracking can be obtained ; with current simulation controlling transducer and subsection linearity, precision of velocity ( error in ? 1 % ) is triumphantly can be controlled ; with inspection of the pulse numbers of switches, the position of all vehicles are checked to eliminate the error of calculating distance between all ones

    通過建立速度的數學模型,較好地解決了速度的實時性問題;通過採取用電模擬量控制變頻器和分段性處理的辦法,成功地解決了速度精度問題(誤差在士1 %內) ;通過檢測接近開關觸發的脈沖數,適時校核所有小車位置,消除各車之間距離計算誤差,從而很好地解決了距離累計計算誤差。
  8. The paper includes four sections followed here : the first section studies the modeling of signals of pulse doppler radar seeker, and establishes a radar signal simulation model, including radar emitting signal model, receiving signal model, receiving echo signal model, clutter model, noise model, sum channel directional pattern of antenna model, difference channel directional pattern of antenna model, sheltering model, rcs model, glint noise model, etc. the second section studies signal processing of pulse doppler radar seeker, and establishes radar signal processing mathematical model and data processing mathematical model for simulation, including windowing, doppler filtering, envelope demodulation, pdi, cfar, centering, velocity tracking, angle tracking, a - b filtering, etc. the third section studies the modeling of modified proportion guiding, and establishes guiding model, then dynamic simulation results is provided

    論文的主要工作包括四部分:第一部分研究了脈沖多普勒雷達導引頭的信號建模問題,建立了雷達信號模型,主要包括:發射信號模型、接收信號模型、目標回波信號模型、雜波模型、噪聲模型、和差通道天方向圖模型、遮擋因子模型、接收機噪聲模型、目標雷達截面積統計性模型、目標角閃爍模型等。第二部分研究了脈沖多普勒雷達導引頭的信號處理模式,建立了信號和數據處理模型,主要包括:加窗和多普勒濾波、包絡檢波、檢波后積累、頻域cfar處理、速度定心、速度、角、 ?濾波等,然後給出了信號處理程。
  9. In order to improve dynamic performance of the control system in the assembly robot, according to acpmsm ( ac permanent magnet synchronous motor ) vector control model and the control idea about preview control, the paper presents a kind of control strategies that is composite of a primary pid ( proportion integral dif - ferenfial ) with a preview feed - forward compensation, its compensation is equivalent to linear combination of future adjacent difference, the simulation results show that it can not only improve the system tracking performance effectively, but also implement easily

    摘要為了提高裝配機器人控制系統的動態性能,依據交永磁同步電機矢量控制模型,從預見控制的思想出發,提出了一種在原有pid基礎上外加預見前饋補償的控制方法,這種控制方法的前饋補償項取未來幾項目標值一階差值的形組合,並模擬驗證了該控制方法對提高系統性能的有效性和簡單可行性。
  10. The software for pc developed by visual c + + proves to be effective and friendly to operators, which can realize many functions such as process display, list - display of operation parameters, alarming, history querying, automatic creation of worksheet, and trend monitor, etc. the software for plc programmed by step 7, which can successfully detects signals and controls the loops

    Pc軟體由visualc + +開發,具有強大的功能和友好的用戶界面,實現了運行參數程與列表顯示、報警提示、歷史查詢、工作匯總報表、參數曲等功能。 plc軟體由step7軟體包開發,完成了plc系統的數據採集、控制迴路的運行等功能。
  11. The system uses the permanent magnet synchronous machine as the driver motor based on the idea of polygonal flux linkage locus and the permanent magnet brush - less motor is as the momentum balance motor by means of speed and current loop in order to track driver motor precisely and rapidly. the harmonious control of driver motor and balance motor is realized by making full use of the dsp hardware resource and complicated programmable logic device. the software design is composed of c and assembly language to realize motor control arithmetic of polygonal flux linkage locus

    衛星天伺服控制系統以正弦波永磁同步電機作為驅動電機,採用多邊形磁鏈軌跡法(電壓空間矢量法)的控制策略;動量平衡電機採用永磁無刷直電機,通過電環、速度環達到快速、精確驅動電機的目的,確保了衛星姿態恆定;設計方案中充分利用了dsp硬體資源和復雜邏輯陣列實現了驅動電機和平衡電機的協調控制,並通過c語言和匯編語言的混合編程實現了電機的多邊形磁鏈軌跡控制演算法。
  12. The thesis emphasis the way and arithmetic of the key equipment of walking reheating furnace : loader machine, unloader machine, walking system, series transfer roll, control system of burning and tracking of steel billet, . make use of the system, we can carry out the function of transferring measuring and weighting, detecting, loading and unloading tracking the steel billet, we can control process of burning and exchange data each other to track the steel billet and manage the process over all of product line. goals of reheating furnace ' s producing process such as high yield, low consuming and pollution, automatic operating mode are achieved

    本文著重研究了步進式加熱爐關鍵設備如:裝鋼機、出鋼機、步進梁、爐前爐后輥道、燃燒控制、板坯物等控制對象的具體控制軟體程、速度控制曲、行程計算等具體控制策略和演算法,完成了攀鋼1450熱軋加熱爐基礎自動化系統( l1 )和熱工儀表的一級控制,實現板坯輸送、測量、裝出料、物、加熱爐燃燒控制以及板坯庫的數據信息交換,通過plc和二級計算機系統進行順序、定時、聯鎖與邏輯控制,實現了操作自動化與物料系統的全管理。
  13. Incremental length diffraction coefficients ( ildc ) is adopted to calculate the contribution of edge diffraction. in order to improve the accuracy of calculation, multi - scattering is discussed, based on the two former contributions and ray - tracing method. geometrical optics ( go ) and physical optics ( po ) are used to calculate the multi - reflection between facets and facets

    對于鏡面反射採用物理光學法計算其散射貢獻,結合基於面元的目標模型的表示,採用離散的積分形式,將面電積分化簡為積分,簡化計算復雜度;對于邊緣繞射,運用增量長度繞射系數理論計算目標邊緣繞射場;在多次反射中,則以光方法為基礎,採用幾何光學、物理光學相結合的方法分析考慮多次散射場。
  14. A tag tracking method based on improved active contour model and optical flow

    基於改進的主動輪廓模型及光估計的標記
  15. Dual neural network based model reference adaptive dc drive control with ability of online parameters ' tracking

    參數在的直傳動雙神經網路模型參考自適應控制
  16. Many fluid models just present only one aspect of fluid, and can " t present some important properties simultaneously, such as speed, heightfield etc. which are necessary in many fluid simulation systems. although the traditional raytraced - based rendering algorithms can obtain high quality graphics, they can " t be used in real - time systems. this paper investigates the existing fluid models and rendering algorithms firstly

    許多現有的體模型只能單獨描述體的某些屬性,不能同時描述體的一些重要屬性,如:速度,高度域等,而這些屬性在很多與水有關的模擬系統中是必不可少的;傳統的光渲染演算法能夠產生具有很強真實感的圖形,但是不能夠滿足實時的需求。
  17. Dual hopfield neural network based model reference adaptive control of ac drive system which has the capability of online parameters tracking

    參數在的交傳動系統雙神經網路模型參考自適應控制
  18. The satss is an antenna pointing servo system with ultra - low speed and high accuracy, driven by a rare earth permanent magnet ( repm ) brushless dc torque motor. to reduce torque ripple, the repm brushless dc torque motor has a slotless armature, and uses sinusoidal wave driven technology

    衛星天伺服系統為超低速高精度天指向控制系統,該系統使用稀土永磁式無刷直力矩電機作為天的驅動機構,為降低轉矩脈動,電機採用無槽電樞結構設計,並使用正弦波驅動方式。
  19. Ordinarily, we establish a material tracking system in such a way that : buy a material tracking system constructor platform, and then establish the system base on it. but if we establish a system like this, our systems may have some problem, for example performance problem

    生產系統便是一種典型的企業生產自動系統,現在業內行的生產系統的構建方法多為:先購買第三方提供的系統開發平臺,然後利用開發平臺提供的腳本及功能介面在其基礎上進行構架。
  20. Taking stc89le516ad and uc3842 as the core, an intelligent charging circuit which can realize receivable charging electric current curve tracking technology for the battery was designed

    摘要以stc89le516ad和uc3842為核心,實現蓄電池可接受充電電技術的智能充電電路設計。
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