based (d) 中文意思是什麼

based (d) 解釋

  1. Current r amp; d of stm afm - based data storage materials

    技術的信息存儲材料研究現狀及進展
  2. Current r amp; amp; d of stm afm - based data storage materials

    技術的信息存儲材料研究現狀及進展
  3. Therefore, based on the isotopic chorology, petrochemistry, geochemisty and sr, nd, pb isotope, the ph. d dissertation mainly studied some yanshanian mafic dikes, volcanic rocks and alkalic - ultramafic dikes in shandong province

    本論文主要從同位素年代學、巖石化學、地球化學和sr ? nd ? pb同位素方面對山東地區燕山期基性脈巖、火山巖和堿性超基性脈巖進行了系統研究。
  4. The characteristics of various solid - state power - combining techniques and the principles of the waveguide - based power combining structure are compared and analyzed in detail. the power combiner is based on a double antipodal finline - to - microstrip transition structure. the proposed 2 2 combining structure is optimized by using 3 - d fields simulation tools cst

    主要內容為: 1 .研究和對比了各種固態功率合成技術的特點,詳細地分析了波導基空間功率合成器的工作原理,提出了一種基於雙對極鰭線-微帶過渡的2 2路毫米波功率合成器結構,藉助三維場模擬軟體cst對該無源網路進行了優化設計。
  5. 21 callan e, kent d, guenther h, vorperian k. an auditory - feedback - based neural network model of speech production that is robust to developmental changes in the size and shape of the articulatory system

    但是要證實本文對人的語音生成和感知系統的闡述還需要許多定量的實驗。本文作者希望我們的研究能起到一個拋磚引玉的作用,引起更多的研究者的關注和興趣。
  6. Recognition of 2 - d axile symmetry shapes based on moment invariants

    基於不變矩的軸對稱形狀識別
  7. 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

    視景模擬( visualsimulation )是一種基於可計算信息的沉浸式交互環境,它採用計算機圖形圖像技術,根據模擬的目的,構造模擬對象的三維模型並再現真實的環境,達到非常逼真的模擬效果。
  8. Study on r amp; d cartelization of enterprises based on the technological convergence

    基於技術融合的企業研發勾結研究
  9. Study on r amp; amp; d cartelization of enterprises based on the technological convergence

    基於技術融合的企業研發勾結研究
  10. Based on past researches on interpersonal perception and d. c funder ' s realistic accuracy model, this research examined the characteristics of interpersonal perception in internet chatting, including accuracy of interpersonal perception ( self - other agreement ), meta - accuracy, moderators of accuracy and meta - accuracy, the differences among self - ratings, other - ratings and metaperception, and moderators of likability. 84 undergraduate and graduate students interacted in internet by oicq one to one for thirty minutes, then completed a self - edit internet chatting questionaire including ratings on cattell ' s 16 personality traits and so on. the results showed that : ( 1 ) in internet chatting, perceivers were able to judge targets ' s some personality traits with some extent accuracy

    本研究在過去人際知覺研究的基礎上,以funder的現實的精確性模型為主要的理論依據,以84位在校大學生和研究生為被試,以卡特爾的16種人格特質為人格評價特質,採用自編的網上聊天的調查問卷以及人格特質特徵的評價量表,考察了網際網路網上聊天中的人際知覺的特點,其中主要包括網上聊天的人際知覺的精確性、元精確性、影響精確性和元精確性的因素(性別、與性別相關的刻板印象、知覺者和知覺對象的人格特點、網上聊天內容的真實程度、特質的可觀察性、社會期望值以及只憑言語內容來推斷某種特質的難易程度) 、自評和他評以及元知覺間的相互差異、影響聊天者受喜歡程度的因素。
  11. Report ucb csd - 01 - 1141, university of california, berkeley, usa, 2001. 8 cuenca - acuna f m, nguyen t d. text - based content search and retrieval in ad hoc p2p communities

    本文針對上述問題,提出對等數據系統中的摘要索引結構及建立在此基礎上的基於內容的近似查詢處理方法。
  12. The basis idea of software radio ( srd ) is to place the a / d and d / a close up the antenna as possible as and use software to realize all the function of any radio based on an opening and blocking currency hardware platform

    軟體無線電的基本思想是將寬帶a / d及d / a盡可能靠近天線,將無線電臺的各種功能在一個開放性、模塊化的通用硬體平臺上盡可能多的用軟體來實現。
  13. Based pc, d / a convertor and 2 - dimension galvanometer scanning system, laser marking control system is built. coordinate data scanned and kept in the computer are transformed into the analog signals by d / a converter, then control the galvanometer to deflexion

    基於pc 、 d / a轉換器和二維振鏡掃描系統搭建激光打標機控制系統,將存儲在主控計算機的掃描坐標點的坐標數據通過d / a轉換,將數字信號轉換成模擬信號來控制振鏡偏轉。
  14. Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition although there exists soil - structure interaction the foundation soil vibration is dominant in other words analysis of earthquake response of the soil is essential to this end simplified models ( i. e equivalent mass system models based on some equivalence criteria ) are proposed instead of a general 3 - d continuum model in this study equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel

    條裝地下結構如隧道、各種埋設管道等一般可看作彈性地基梁進行靜力及動力分析在地震條件下,結構與土相互作用,但土的振動成為主要因素為分析土的地震響應需把基土這一三維連續體作簡化處理,簡化成為等效多質點模型本文著重探討這種簡化模型的建立方法,推導等效方程,通過幾種簡化體系的分析比較,論證單質點串體系的合理性,並將其應用到廣州黃沙芳村珠江水下隧道工程的地震響應分析,為抗震設計提供依據
  15. Secondly, it describes the hardware system of the exoskeleton hand, including the circuit design of the driver, the fpga - based motion controller, the processing and the a / d conversion for the sensor signal

    其次,設計了外骨骼手底層控制系統的硬體電路,包括微型驅動器模塊電路的設計,基於fpga的運動控制器電路的設計,傳感器信號調理以及模/數轉換電路的設計。
  16. The first kind of algorithm is based on s - box controlled by key, the algorithm distinguishes most of other block ciphers, its visible quality is that its s - box is not regular and fixative, but controlled by block cipher ' s key. the second kind of algorithm is based on smn ( d ) array code, it makes full use of the visible quality of smn ( d ) array code possessing big code distance ( d ). the thesis discusses the two algorithms " reversibility, security and their qualities, the

    第一種是基於「 s -盒由密鑰控制」的變結構分組密碼,該演算法區別于其它大部分分組密碼最大的特點是它的s -盒不是固定不變的而是由密鑰控制產生;第二種是基於smn ( d )陣列編碼的變結構分組密碼,該演算法充分利用了smn ( d )陣列編碼具有碼距大的特點;文中對這兩個演算法的可逆性、安全性及其性能等進行了探討和分析,分析結果認為這兩個變結構演算法正確、有效且安全。
  17. For jiangpinghe double - curved arch dam, 3 - d elasto - plastic fem is made, in which the point safety factors of the dam - abutments system and the safety margin for coefficients of sliding resistance on 7 potential sliding blocks of the dam before and after the reinforcement of the dam are calculated under the conditions of the normal storage level and the design flood level respectively based on the results from the analysis made with fem

    摘要對江坪河雙曲拱壩進行了三維彈塑性有限元分析,利用有限元應力成果分別計算了正常蓄水位、設計洪水位等3種工況下加固前後壩體壩肩系統的點安全系數和7個可能滑動塊體的抗滑富餘系數。
  18. Based on 3 - d seismic well and logging data, mainly by means of advanced seismic theories of reservoirs prediction and other corelational multidisciplinary, an extensive and indepth studying on the tight sandstone reservoir with fracture of the second part of the xujiahe formation in west sichuan depression has been carried out. a series of theoretical viewpoints and research fruition are concluded as follows :. 1 on the basis of analysis of the regional and local structure characteristics and evolution, a conclusion comes in to being : inchoate and nowadays structure traps and the match model between structure and fracturation system are the main factors in controlling the formation of effective traps

    本文綜合利用三維地震、鉆井、巖心、測井資料,採用地震儲層預測方法為主線的多學科綜合研究思路對川西坳陷上三疊統須家河組二段緻密裂縫性砂巖儲層進行了較為廣泛、深入的研究和探索,取得以下一系列理論認識和研究成果: 1 、通過區域及局部構造特徵及構造演化史分析,認為古今構造圈閉、構造與斷裂系統配置關系是控制有效圈閉形成的主要因素。
  19. Since the problem of feature extraction from 2 - d radar data can be approached as a parametric modeling and parameter estimation problem, the 2 - d type - discriminated geometric theory of diffraction based ( td - gtd ) model that discriminate between the localized and distributed scattering centers of the target is presented

    在對目標散射中心的建模與參數估計中,提出採用更貼近散射機理的、特徵含量更為豐富的二維散射中心模型?區分局域性與展布式散射中心類型的幾何繞射理論( td - gtd )模型。
  20. Based on the fromer study of mine tectonic, hydrology, tunnel deformation, etc., 3 - d numerical simulation of current tectonic stress field of lvjiatuo coal mine was done in this thesis, combining with local hypocenter mechanism solve and relational stress in - situ measuring value regression analysis has been done to the simulation result, and the reasonable results are gained those will offer dependence for disposing the tunnels more rational and making tunnel supporting more economical and safer

    摘要本文在前人對呂家坨礦進行礦井構造、水文地質、巷道變形等研究的基礎上,結合該地區的震源機制解及有關的應力實測值,對礦區現今構造應力場進行了三維數值模擬,並對模擬結果進行了線性回歸分析,得到了與現實較為符合的結論,為更合理的巷道布置和更經濟而安全的巷道支護提供依據。
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