步進跟蹤系統 的英文怎麼說

中文拼音 [bùjìngēnzōngxìtǒng]
步進跟蹤系統 英文
step track system
  • 步 : Ⅰ名詞1 （步度; 腳步） pace; step 2 （階段） stage; step 3 （地步; 境地） condition; situation; st...
  • 進 : 進構詞成分。
  • 跟 : 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...
  • 蹤 : 名詞（腳印; 蹤跡） footprint; track; trace; trail
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 步進 : step by step步進操作 step by step operation; 步進傳動 step by step drive; 步進法 step by step met...
  • 跟蹤 : follow the tracks of; tail after; following; follow up tracing; track; tracking; trail; lock on; ...
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. The tracking scheme can track the variance of the mimo channel and further reduce system cost. finally, we introduce an mqam sm - ofdm adaptive power and bits allo - cation scheme

    以此為基礎的通道跟蹤方案能進一步減少系統開銷，而且能很好地跟蹤mimo通道的變化。
  2. In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

    本文從試驗及試驗資料入手，取得以下主要成果和結論：對鹽堿地水稻節水灌溉技術進行優化研究，系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響，採用了多目標模糊優化的方法，對灌水技術進行綜合評判，優選了節水灌溉技術，論證該地區宜採用水稻控制灌溉技術；闡述控灌技術通過調節和控制水稻的需水規律，降低水稻高產情況下的無效水量消耗，從水稻生理、生態節水兩方面分析了控灌技術節水機理，針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點；通過控灌與淹灌的定量對照比較，從根系、莖蘗、冠層葉片及綠葉動態到株高，土壤水分變化，抗病蟲害、抗倒伏能力，稻田土溫變化，產量構成因素及稻米品質等諸多方面進行動態比較，分析控灌技術高產優質機理；在鹽堿稻地採用控制灌溉+間歇淋洗模式，跟蹤測試田間水鹽變化狀況，驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性，通過分析水稻控制灌溉淋洗條件下水稻生理生態指標，提出優化控制灌溉+間歇淋洗組合模式，為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。
  3. In this paper, research on the algorithm of complete digital if and baseband transmission system and the realization of transmitter and receiver. / 4 - dqpsk is chosen as digital modulation scheme. the scheme of demodulation is baseband differential detection. sliding correlator can realize the symbol synchronous acquisition ; early - late gate synchronizer is used to do symbol synchronous tracking

    系統的發射機選定/ 4 - dqpsk為調制方式，接收機採用基帶差分解調的非相干解調方式，滑動相關器捕獲發送的pn序列，早遲門同步器跟蹤符號同步，使用相關器對同步后的符號進行最佳判決，並在這些演算法實現的基礎上，實現了直接序列擴頻和解擴技術。
  4. The following is main research work : 1. geometry characters ( such as tangent plane and normal plane etc. ) and differential coefficient characters are theoretically analyzed in detail, then the intersection differential coefficient system model for trace is constructed

    在理論上，系統地分析了交線的幾何特徵（如切平面和法平面等）和微分特徵（如曲面的一階基本齊式等） ，建立了交線的微分系統跟蹤模型，從而為今後進一步研究求交問題提供了一個可行的途徑。
  5. Combining the theory of vr, the interface of simulation and vr is discussed on the basis of the simulation results. also, the framework of vr for the tracking device of target is developed

    在此基礎上，結合虛擬現實理論，詳細論述了模擬和虛擬現實的介面，進一步提出了目標跟蹤瞄準裝置的虛擬現實系統構架。
  6. The future wireless mobile communication systems are expected to provide ubiquitous, high - quality, and high - rate mobile multimedia transmission. however, hostile multipath fading radio conditions give rise to serious inter - symbol interference ( isi ) ; even worse, wireless channel are often time varying, which makes the system more vulnerable and more difficult to track the channel state. orthogonal frequency dvision multiplexing ( ofdm ), which is inherently resistant against isi, has invoked a popular research interest in recent years, and has been a promising candidate technology of the physical layer for future weideband high - date - rate wireless communications. notwithstanding, ofdm is much more vulnerable to errors of both time and frequency synchronization and to that of channel estimation, and how to obtain correct timing and channel estimation efficiently is highly critical to ofdm systems. the dissertation will focus on both of the aspects of ofdm systems mentioned above

    但是無線環境的多徑特性造成通信系統中嚴重的符號間干擾，同時無線通道的時變性使得通道特性跟蹤復雜。而正交頻分復用技術（ orthogonalfrequencydivisionmultiplexing ， ofdm ）正是一種解決符號間干擾的有效傳輸手段，因此ofdm技術作為未來寬帶高速率無線通信的物理層候選技術在當前引起了一股研究熱潮。但ofdm系統對定時同步誤差和通道估計誤差非常敏感，如何在ofdm系統中準確快速地實現符號同步和通道估計是至關重要的，本論文將重點針對這兩個問題進行討論。
  7. Innovation of the aero maintenance system based on augmented reality ( ar ) technology and eye tracking technology, which can give real - time instruction for maintenance, is vital for enhancing the accuracy of maintenance and reducing the cost of maintenance. in the paper, the study work include 3 sections, as following : firstly, deducing 3d registration algorithm based on markers, depicting the display and 3d display technologies of artificial matters, and realizing 3d registration function specifically ; secondly, establishing an eye - movement measurement system based on the infrared television method, making use of the thoughts of ranks superimposition to withdraw the pupil center coordinates, and giving the thaught of recombining the position relation of purkinje spot to determine the eye sight direction primarily ; finally, describing the basic theory of augmented reality maintenance guiding system in detail, and introducing the software function and hardware frame, which will provide the foundation for the further study of this system

    本文的研究工作主要包括以下三個部分:首先，改進了有標志點的三維注冊演算法，並具體實現了三維注冊功能，最後試驗驗證了注冊演算法的正確性，為將來基於無標志點的發動機維修誘導系統的研究提供基礎和實踐經驗;其次，描述了基於紅外電視法的視線跟蹤系統的基本原理，對眼動信號處理技術做了初步的研究，即利用了行、列疊加的思想提取了瞳孔中心坐標和普爾欽（ purkinje ）斑點的坐標，闡述了結合瞳孔中心與普爾欽（ purkinje ）斑點的位置關系進行初步判定視線方向的方法;最後，詳細描述了所構建的增強現實維修誘導系統的基本原理、軟硬體框架，為今後維修誘導系統的深入研製提供基礎。
  8. A fuzzy control system of stepping motor for seam tracking is presented in this paper, the proposed system can realize the self - modify ing of the parameters and improve the characteristics of dynamic and static state of stepping driving system according to the error of seam tracking. the accuracy of seam tracking is enhanced obvi ously

    介紹一種用於焊縫跟蹤的步進電機模糊控制系統，該系統可根據跟蹤偏差進行參數自調整，改善了步進驅動系統的動靜態特性，提高了焊縫跟蹤精度。
  9. According to the technical requirements of data relay satellite system, we determine to exploit and analyze the oscillation amplitude comparison mono - pulse mode in a single channel mono - pulse, angular tracking manner in comparisons among several angular tracking modes e. g. cone scanning, step tracking, phase comparison mono - pulse and oscillation amplitude comparison mono - pulse

    根據數據中繼衛星系統技術指標與技術要求，通過比較圓錐掃描、步進跟蹤、相位比較單脈沖與振幅比較單脈沖等跟蹤方式的優、缺點，確定採用振幅比較單脈沖方式中的單通道單脈沖角跟蹤方式，並對此跟蹤方式進行了詳細的研究。
  10. This paper presents a method of improving on frame & horizontal synchronization in laser phototypesetter, by using singal - chip computer system to detect real - time frequency deviation and adjust film transmission speed

    摘要提出了一種在激光照排機電控系統中，利用單晶片微機對轉鏡掃描光柵頻率信號的暫態波動量進行檢測、提取，並以此實時校正系統輸片速度，實現場掃描對行掃描的跟蹤、補償，從而提高行、場掃描同步精度的方案。
  11. ( 5 ) user management system is built by asp technology on the server - side. user ' s register and logging is accepted and the user permission for different group is designed ( program files referred to appendix 1 ) ; the connection between web server and plastic die material database system realized by ado, odbc technology, which will guarantee the mutual information transportation between the database system and different terminals ; ( 6 ) further study of expert system is discussed and the implementing reasoning base on plastics mould material selection neural networks is put forward and key problems is also discussed. according to the requirements of sustainability, extended knowledge frame of mould selection and track algorithm meeting the requirements of dynamics, history, structuralism, illegibility, unintegrity and uncertainty are verified and corresponding examples are also put forward

    （ 3 ）通過ado 、 odbc技術實現web服務器與塑料模具材料數據庫系統的連接，從而保證了塑料模具材料數據庫系統和各終端之間信息的雙向傳遞； （ 4 ）在服務器端利用asp技術建立塑料模具材料遠程選擇優化專家系統交互界面，通過標準數據庫查詢語言，客戶能對數據庫中的塑料模具材料信息進行查詢（程序文件列表參見附錄1 ） ；廣東丁業人學1學m學位淪義門）在服務器端利用sp技術建立用戶管理系統，接受用戶的注冊、登錄消求，為不同等級的用戶設定相應的權限（程序文件列表參見附錄1 ） ； （ 6 ）討論了進一步完善該專家系統所需做的工作，提出塑料模具選材神經網路批理的實現方案，並對其中的關鍵問題進行了討論：按照可持續發展的要求，對擴展的模具選材知識框架、滿足動忐性、歷史性、結構性、模糊性、個大根性、不硯定性等需求的跟蹤演算法進行了論證並給出計算示例。
  12. The company serves content around project early days, metaphase, later period each phase, cover earth to build, each major such as adornment, installation, municipal, gardens, traffic, irrigation works ; especially : service of representative of invite public bidding permeates reconnaissance, design, inspect manage, construction, equipment, material, purchase wait for each domain ; cost seeks advice use current the most advanced tsinghua si weier is three - dimensional system of software calculating an amount, control to the project executes the spot to be mirrorred in real time and undertaking cost dogs ; the adroitness in project management uses fidic term and conditions of contract, the mature construction on international project management pattern introduces in management of domestic construction project ; company of software of subordinate path be in harmony is with advanced science and technology rely on, foot of client of prep close behind leads the market, dedicated the development at project software, apply with promotion

    公司服務內容圍繞工程建設前期、中期、後期各階段，涵蓋土建、裝飾、安裝、市政、園林、交通、水利等各專業；特別是：招標代理服務滲透到勘察、設計、監理、施工、設備、材料、采購等各領域；造價咨詢採用當前最先進的清華斯維爾三維算量軟體系統，對工程實行現場實時反映並進行造價跟蹤控制；項目管理中熟練運用fidic合同條件，將國際上成熟的建設項目管理模式引入到國內建設項目管理中；下屬道融軟體公司以先進科技為依託，緊隨客戶步調引領市場，專注于工程建設軟體的開發、運用與推廣。
  13. The induction of ais technology still ca n ' t integrated with the devices of old system satisfactorily, the data of ais is only shown on the electronic chart background in ecdis, but does n ' t fulfill the fusion with the data of radar. more, some system functions related with display and interface still need be perfected, such as quickly moving, auto select chart, static information associate with target display, etc. the integrated information processing and display system researched in this thesis has been successfully applied in some vts projects and related projects, such as cheng - dao oil field survey system, yan - tai mount vts rebuild project etc. to the disadvantage exposed to us in national and foreign vts system, and those putted up in application projects, the thesis did a farther study and consummation, and acquired some research fruits, as follows : 1. fulfilled the eagle eye function in electronic chart display system

    針對目前國內外vts系統中暴露出的薄弱點，以及應用實踐中表現出的不足本文對綜合信息處理與顯示系統做了進一步的研究和完善，取得了以下的研究成果： 1 、電子海圖顯示系統中鷹眼圖的功能設置與實現； 2 、設計一種簡易的選圖演算法，通過該演算法實現可在海圖放大、縮小時的自動選圖； 3 、電子海圖上自動錄取區的實現（二次自動錄取） ； 4 、實現對雷達和ais目標數據及其誤差的軟體模擬； 5 、船舶自動識別系統中動態信息與雷達動態信息的數據融合處理； 6 、利用數據融合技術解決雷達目標跟蹤方面的問題； 7 、海圖空間信息中顯示區域裁減演算法的設計，該模塊的實現大幅度提高了海圖的顯示速度。
  14. This paper based on the two follow - up inverstigations in the dayao mountain 70 years later, conducts a statistical analysis of the data collected from survey questionnaires, in the attempt to make a further quantitative analysis on the basis of traditional research approaches and to use the data to reflect the social and cultural changes in yao people ' s family and marriage values, education of the younger generation, political participation, religious beliefs, and economic life in dayao mountain

    摘要根據七十年後的兩次大瑤山跟蹤調查研究，對調查問卷進行統計分析處理，試圖在傳統調查方法的基礎上做進一步的量化分析，用一系列鮮活的數字反映大瑤山瑤族社會在家庭婚姻、子女教育、政治參與和宗教信仰、經濟生活等方面所經歷的社會文化變遷。
  15. These results provide theory and tool for the design and realization of further study the satellite orbit control system ; ( 2 ) discuss the satellite attitude and position / attitude tracking control problems

    這些研究成果對于進一步研究人造衛星軌道控制系統的設計和實現提供了理論和工具。 （ 2 ）討論了人造衛星姿態跟蹤控制和位姿（即位置和姿態）跟蹤控制問題。
  16. In this paper point to point control, constant frequency control and up and down frequency control are studied, in which current lagging loop control method is used to restrict over currents. and using flux tracking method, position open loop, position close loop control system are also studied. and research results indicate that larger current ripples are restricted by means of subdividing space vectors

    本文以永磁同步電動機為研究對象，分別對同步電動機的點動控制、恆頻控制以及升降頻控制進行了分析與研究，研究中採用了電流滯環控制方法，可有效地限制過電流現象；此外採用磁鏈跟蹤法對位置開環和位置閉環的步進控制系統分別進行了探討與研究，研究表明，採用矢量細分后，可有效地減小電流波動。
  17. This paper probes into the technical difficulties in the application of image tracking systemon armored vehicle, and studies on the target detection, recognition and tracking techniques onvehicle. it also investigates the realizing technology of image tracking system on vehicle, andaccomplishes the development task of corresponding project

    本文探討了圖像跟蹤系統用於裝甲戰車所存在的技術難點，研究了車載環境下目標的檢測識別與跟蹤技術，並進一步研究了裝甲戰車圖像跟蹤系統的實現技術，完成了相應工程項目的研製任務。
  18. Taking the natural road as the background, a kind of moving vehicle auto - detecting and auto - tracking method is brought forward. moreover the software system is designed and implemented. a moving vehicle can be automatically tracked elementarily by using the software system

    本文對此問題進行了系統和深入的研究，提出了一種在自然道路背景下運動車輛自動檢測與跟蹤的方法，並設計開發了相應的軟硬體系統，初步實現了運動車輛的自動跟蹤。
  19. 5 ) the variety, a famous concept proposed by the precursor of cybernetics, ashby, is extended from variable to systems. with the definition of system variety, the gotten conclusions lead to two new laws of variety in control systems : " the general conservation law of variety " for regulation systems, and " the law of requisite variety " based on the proposed basic information condition for tracking systems

    5 ）將ashby提出的變異度的概念由信號推廣到系統，給出了系統的變異度定義，進一步闡述了控制系統的變異度定律:針對調節系統，提出了「廣義變異度守恆定律」 ，對前人的結論進行了修正;針對跟蹤系統，提出了基於基本信息條件的「變異度必備定律」 。
  20. Based on the sufficient analysis of ppf control rule, the research into the algorithm combination between fuzzy control and ppf control is made to develop the intellectual ppf control system and design automatic tracking system to the edge of strip steel by the step motor, the signal collecting circuit with the capacitance sensor, servo magnifying circuit, and interface circuit are designed also

    本文在充分分析ppf的控制規律的基礎上，研究了模糊控制與ppf控制演算法結合，組成智能ppf控制系統，設計了步進電動機帶鋼邊緣自動跟蹤系統，電容傳感器信號採集電路，伺服放大電路及介面電路。
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