擬根環 的英文怎麼說

中文拼音 [gēnhuán]
擬根環 英文
quasi-radical ring
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • : Ⅰ名詞1 (植物的營養器官) root (of a plant) 2 (比喻子孫後代) descendants; posterity 3 [數學] ...
  • : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
  1. The main contributions are as follows : ( 1 ) de ( differential evolution ) algorithm is proposed to invert the ocean acoustic parameters in shallow water in order to get faster and more accurate results than ga ( genetic algorithm ) and sa ( simulated annealing algorithm ). also a posteriori probability analysis method is applied to evaluate the uncertainty of inversion results. ( 2 ) maximum likelihood objective functions for broadband mfi are derived according to different conditions

    ( 2 )據不同的前提條件,採用似然比的方法推導了寬帶匹配場反演的最大似然目標函數;深入地研究了寬帶匹配場處理中的相干與非相干問題;在分析參數反演的敏感性之後,提出了淺海境參數寬帶匹配場反演的多步優化策略,並與全參數反演方法進行了性能上的模比較。
  2. Such complexes might have affinity for detrimental inorganic oxyanions such as arsenate, a common toxic contaminant in soils. the purpose of this study is to investigate the influence of environmental conditions on the adsorption of arsenate on fe - oxyhydroxide - monlmorillonte complexes, which is significant to agrology, geochemistry and environmental science

    本研究即以南方的土壤境條件為參考,模在ph = 5時的酸性氧化條件下,土壤中低聚合羥基鐵?蒙脫石復合體的形成、物化性特徵及其吸附砷酸陰離子的行為。
  3. Visual simulation is an immersing interactive entironment based on calculable information, it uses graphics and image technique in computer, according to the purpose of simulation, construct the 3 - d model of the simulation object and replay the real environment, to achieve a vivid effect

    視景模( visualsimulation )是一種基於可計算信息的沉浸式交互境,它採用計算機圖形圖像技術,據模的目的,構造模對象的三維模型並再現真實的境,達到非常逼真的模效果。
  4. Contrapose to the instability of the third - order charge - pump pll system, the loop optimization method is employed in system level design to decide the bandwidth and phase margin, therefore the loop bandwidth locates at the maximum phase margin to guarantee the stability of the system. according to tsmc 0. 35 m sige bicmos model, the sub - circuits in the designed pll and the whole system are simulated and verified by the cadence spectre

    5 .據tsmc0 . 35 msigebicmos工藝模型,利用cadencespectre模軟體對所設計的電荷泵鎖相路中各個模塊及整個系統進行了模,模結果顯示,在1 . 5v電源電壓下,頻率為200mhz的參考輸入信號,輸出中心頻率為800mhz ,分頻電路採用4分頻,路帶寬為10mhz ,捕獲時間大約為0 . 92 s ,功耗大約為15mw ,達到了設計指標。
  5. In chapter 4, the principle drawing of the system is presented after adding a constant - pressure - drop valve. the operating principal of the valve is briefly introduced. the static mathematical model is built up and study is carried out by means of simulation under the circumstance of matlab, then the static working point is obtained

    對定差減壓閥作了簡要的介紹,據系統工作原理圖建立靜態數學模型進行模研究,由模結果分析系統靜態工作特性,得到靜態工作點;然後,建立系統動態模型,對其動態特性進行非線性模研究,並就境因素變化對系統工作特性的影響作了詳細分析。
  6. The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part

    本文所作的主要工作及研究成果主要有以下幾個方面: ( 1 )對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究,為建立一個較為完備的自導模系統提供了理論基礎; ( 2 )討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響,建立回波信號的數學模型、境場中的噪聲信號模型(包括海洋境噪聲、目標輻射噪聲與魚雷背景噪聲等)與海洋混響模型,模產生了聲自導系統基陣接收到的回波信號與噪聲信號; ( 3 )深入研究並建立了自導模系統的總體框架,給出各個具體功能模塊組成,討論了聲自導系統對信號的時域與空域處理,並結合模程序中陣列信號處理模塊,給出固定多通道波束形成的模實現過程; ( 4 )據系統的模模型與已建立的模流程圖編制了通用魚雷模器自導系統模軟體,通過網路與控制系統相連,組成完整的魚雷模器。
  7. The first one : fitting together ultimate values of every dimensions in one dimension - chain one by one, educing many equations by itself, calculating results, and comparing these results of close dimension to find maximal and minimal values. the second one : projecting all dimensions on two preestablished axis, then providing the solutions to analyze whether every projected dimensions is increscent or decreasing, and synthesize the effect of every projected dimensions to close dimension, educing many equations by itself, at last calculating the result of close dimension. the third one : according to monte carlo analysis, getting every dimensions " values from every dimensions " tolerances at random time after time, simulating the actual circumstances of mass production using these dimensions, and calculating reasonable results of close dimension economically

    鑒于這類系統在各大中小型企業的廣泛應用與相對滯后的研究水平,本文提出了三種新的能切實地解決目前尺寸鏈計算機輔助分析解算中存在的各種難題的設計方案,第一種方案將尺寸鏈中各組成能取的極值組合起來,自動列方程組,求解每個組合情況下的封閉尺寸,最後比較這些結果,得出封閉的最大最小值;第二種方案將尺寸鏈各組成向預先設定好的兩個方向投影,之後再分析各尺寸投影分量的增減性,並且提供了組成兩個方向上的投影分量增減性不一的復雜情況下的解決辦法,綜合組成各投影分量的增減性,然後自動列出方程組,最後據各組成的投影分量以及所列的方程組來確定尺寸鏈封閉的尺寸;第三種方案以蒙特卡洛法為原理,在尺寸鏈各組成的取值范圍內使用計算機產生大量隨機數,模實際大批量生產中的零件尺寸分佈情況,以更經濟更合理的方式分析、計算封閉尺寸。
  8. 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 )進行了模工作並給出了模結果,同時討論了碼元同步定時誤差對鎖相路工作的影響並據流星通信中使用變速率傳輸時鎖相路的載波同步性能進行了測試;然後在基於軟體無線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跟蹤。
  9. Traffic accident simulation and control technology are simulating the environment and driving process, simulating the operation situation of accident vehicle on the road, making kinematic analysis based on data such as vehicle collision, stop location and collision narks, to determine the normally running line and the speed of vehicle before the accident, presume the collision speed course reversely, use 3d graphics technology to reappearance accidents process, provide scientific theory for the analysis of the cause, make corresponding protect safety technology and strategy

    交通事故模與控制技術是對駕駛境與駕駛行為進行模,模車輛在道路上發生事故的運行情況,據車輛碰撞位置和停止位置、車身碰痕等事故現場數據進行運動學分析,確定車輛在事故前正常行駛時的速度和路線,逆向推定碰撞車速及事故過程,應用三維圖形技術再現交通事故過程,為分析事故成因,提出相應的交通安全保障技術和策略奠定科學理論依據。
  10. Based on the theory of five competition functions created by porter, in conjunction with the nuclear competition theory, the rbv theory and the novation theory, this article makes a detailed analysis of the external economic environment, the trade structure of life assurance, the rival ' s situation as well as its own competence. and the development characteristics of hunan life assurance market and the superiorities as well as inferiorities of the company are discussed. after that, in accordance with the market competition degree, the article makes a subdivision of the life assurance market and confirms the competition rank of the company in the whole provincial life assurance market

    論文以波特五種競爭作用力理論為基礎,結合核心能力理論、資源流派理論及創新理論的綜合運用,對中國人壽湖南公司的外部經濟運行境、所在的壽險行業結構、競爭對手的實力情況和自身的競爭能力進行了詳細的分析,找出了湖南省壽險市場的發展特徵和公司的競爭優劣勢所在,隨后據市場的競爭程度對公司所進入的壽險市場進行了市場細分,並據位次競爭戰略理論確定了公司在省內壽險市場上的競爭地位,在上述分析基礎上,本文採用swot分析方法來為公司定了整體的市場競爭戰略,並據公司的競爭地位相應制定了其在各細分市場上應採取的戰略措施,我們相信通過實施這些戰略措施將有助於增強公司的競爭實力,從而能使其在將來的市場競爭中進一步鞏固和保持優勢競爭地位。
  11. The system digitally displays positions and running status of the system facilities using living simulacrum via the graphical interface. and the system arranges facilities in the categories and in the fields depending on users demands

    通過形象的圖形化界面,完全數字化地逼真模出各設備在現場實際境布局和運行狀況,並據用戶需要進行分類布局和分區域布局。
  12. In this article, according to heat conduction theory, elastic creep theory and finite element theory, the temperature field and creep stress field in the arch dam during construction and operation are simulated and analyzed by means of three dimensional finite element relocating mesh method, and the distribution law of the temperature field and creep stress field in the arch dam during construction and operation are systematically studied, and according to the construction process of concrete arch dam, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress in the arch dam are also considered

    論文據熱傳導理論、彈性徐變理論及有限元理論,用三維有限元浮動網格法對拱壩施工期和運行期溫度場、徐變應力場進行了全過程模分析,較為系統的研究了混凝土拱壩施工期和運行期溫度場、徐變應力場的分佈規律,在分析中按照混凝土拱壩施工過程,考慮了混凝土分層澆築、施工間隙時間、彈模變化、絕熱溫升過程、境溫度的變化、混凝土徐變、自生體積變形等因素對壩體溫度應力的影響。
  13. This paper studies the design documents of the avionic system detailedly, including the interface control document and detailed design requirements, and summarizes the data structures and the communication formats of the system, and designs the simulation database. this paper also studies some protocols such as gjb289a, arinc429 and udp etc, and then determines the methods of data processing. according to the theory of the software engneering, this paper completes the requirements analysis, the globle

    本文據設備的具體設計要求,完成了模設備的硬體設計;詳細研究了航電系統的系統設計文件? ?介面控制文件和詳細設計要求,總結出了航電系統的數據結構和消息通訊格式,並在此基礎上設計了用來表達模對象的關系型模數據庫;研究了gjb289a 、 arinc429等總線協議以及udp網路協議,明確了各類數據的處理方法;按照軟體工程的開發理論,完成了模軟體的需求分析、概要設計和詳細設計,進而通過編程在labwindows / cvi境下實現了一個界面友好、靈活通用的模平臺。
  14. We investigate finer time scale statistical properties of this traffic, including burstiness, periodicity, and synchronization. utilizing the data gathered by our simulator, we compared the results with our prediction, after that, we investigated the root cause of a specific networking traffic pattern, under various network configuration and policies. the importance of our work is not only analyzing the cause of each traffic pattern, but also providing a beneficial formal method for future research

    在實驗結果的分析過程中,我們據當前流行的網路拓撲建立了模路由試驗境,特別針對lsa的突發性、周期性和同步流量的時域特徵進行了觀察,不僅探究了三種重要lsa流量的發生機理以及這些流量的變化對整體路由效率的影響,比對了我們的預測與最終的實驗結果,深入研究了統計圖表裡各種異常情況的成因和路由協議採用不同演算法和策略以後對整體路由境的影響。
  15. Second, based on the characteristic of the receiving water studied in this paper, develope a dynamic one - dimension water quality model for nanbei river in zhangcha town of foshan city, and develope a program of water quality model based fortran powerstation. and then, calculate the concentration of codcr in receiving water using the simulation results of swmm and analyze the effect on the environment of receiving water by intercepting ratio. at last, the construction investment and operational and administrative expenses of intercepting trunk sewer 、 pumping station and sewage farm is calculated and the relation between them is discussed

    其次,本文據研究區受納水體的特點,建立了佛山市張槎鎮南北大涌的一維非穩態水質模型,相應地開發了基於fortranpowerstation平臺的水質模型計算程序,並在swmm模型模結果的基礎上,利用本文編制的水質模型程序計算了不同截流倍數時南北大涌codcr濃度的時空變化過程,分析了截流倍數對河涌水境質量的影響。
  16. Abstract : according to the related principle of forming precision andmicrostructure on the condition of deformation and thermodynamic parameters, hot forming process control of large forgings, such as retaining rings and crand - shafts, is investigated by means of computer simulation combined with thermodynamic and micro - simulation in this paper

    文摘:本文採用熱力模、微觀模和計算機數值模相結合的模技術,據變形條件、熱力參數與成形精度和組織結構的相關性原理,以護、曲軸大鍛件為例,進行了熱成形可控性的研究。
  17. Pitch control system consist of three channels which is formed by three drive units. base on need of bench, drive system scheme is designed. single channel three - loop position servo system which is formed by linear motor is simulated. then kinetic behavior of rotor and system ’ s force coupling relation is analyzed. a compensation method for dynamic load which is caused by rotor rotation is presented base on structure - invarient theory

    據實驗臺的技術要求,設計了整個驅動系統方案。對由直線電機構成的單通道三位置伺服系統進行了設計和模。分析了旋翼運動的動力學特性、系統力耦合關系,並據結構不變性原理對由旋翼運動產生的動態載荷提出了補償方法。
  18. The integrated analysis and valuation of the sight character in hubin has been performed from the following aspects inclusive of landscape spacial web structure, spacial status and element detailed character with the forementioned method and graphic expression tools. 3 ) the historical evolvement of the whole landscape around the lake has been analyzed according to the system integration theory of landscape ecology. the whole characteristic of the traditional landscape around the lake has been researched from the three aspects as follows : variety of the landscape ; spacial interaction and continuation ; consistency as a whole, then the special skeleton of traditional landscape around the lake is discovered and the scientific foundation of landscape protection and control for the urban planning of traditional block is established

    首先,本文對于湖濱街區的現存景觀狀況、歷史文脈、居民生活境質量做了大量調查與評價,並對居民對于現行規劃成果的評價以及對于未來景觀發展的看法做了深入的調查;第二,據國際上關于城市景觀特質保護的最新研究思想,結合中國文化的特點,創新性地提出了傳統景觀特質的場所文脈評價方法,採用幾何結構模的圖示解剖手段,從景觀空間網路結構、景觀空間形態、景觀元素細部特徵等多方面對湖濱地區的景觀特質進行了整體分析評價;第三,據景觀生態學的系統整體性理論,分析了整個湖地區景觀歷史演變發展,並且從景觀多樣性、空間滲透、延續性與整體一致性三方面研究了湖地區傳統景觀的整體特徵,找到了湖地區傳統景觀的獨特脈絡,為傳統街區的更新規劃找到了景觀保護與控制管理的科學依據。
  19. Modewet micro - computer chair, basis on the china traditional principle of massager medicine, combines the modern physical therapy and exert into the modern high science high science and technology. it was successful collected scrolling, kneading, massaging and sstretching backside as a whole, accord with perfect design of body engineering and authentic simulation the tact of professional masseur through exerting more different massage on shouder, backside, waist and leg, accelerate effectively human free venation and nerve, blood circulation to achieve at the best results from curing sickness and prevention health care

    美帝王微電腦按摩椅據中華傳統按摩醫學原理,融合現代物理療法,運用現代高等技電子技術,成功的將流動、揉捏、推拿舒背式的按摩結合為一體,以符合人體工程學的完善設計,真實的模專業按摩師手法,通過對人體肩、背、腰、腳部施予多種按摩,有效促進人體經絡通暢和血液的循,加快新陳代謝活躍,從而達到保健的最佳效果。
  20. As for how build pseudo - environment, according to existing communication theory and experience of travelling i, have proposed four principles and five basic thinkings, hope to strengthen and standardize media ' s management system through strengthening the training of media employees, strengthen the thought of serving the people, implement a series of measures, such as media ' s grouping, media ' s specialization and reflecting social reality in an all - round way, objectively, etc., build science, rational media pseudo - environment

    至於如何進行境建設,筆者據已有的傳播理論與傳播經驗,提出了四項原則(即客觀性原則、公益性原則、均衡性原則、適量性原則)和五點基本思路,希望通過加深對媒體從業人員的培訓,加強規范媒體管理制度,加強為民服務思想,實施媒體集團化、媒體專業化和全面、客觀反映社會現實等一系列措施,建設科學、合理的媒體境。
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