數字模型結構 的英文怎麼說
中文拼音 [shǔzìmóxíngjiēgòu]
數字模型結構
英文
mathematical model building- 數 : 數副詞(屢次) frequently; repeatedly
- 字 : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 構 : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
- 數字 : 1. (表示數目的文字; 表示數目的符號) figure; digit; numeral; character; numeric character 2. (數量) quantity; amount
- 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
- 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
-
Based on upper study deeply the efficient digital channelized architectures based dft polyphase filter banks to deduce and establish several kinds channelized digital receiver mathematic models for real signal
在此基礎上深入研究了基於多相dft濾波器組的數字通道化高效結構,推導並建立了實信號通道化數字接收機的多種數學模型。By thorough analysis and synthetize this paper made a frame of the system of intelligent instrument and its hardware structure. as followed, this paper depicted design details of intelligent instrument " s hardware, it included the design of interface circuit, data commutations and digital logic of dsp, mcu, internet ' s chip and isp ' s apparatus etc., and have designed schematic map and circuit. so it accomplished the full design of hardware / software of the new type intelligent instrument
本文具體給出了新型智能儀器硬體結構及實現,描述了智能儀器硬體設計細節,包括數字信號處理器、單片機、 internet接入晶元、可編程數字/模擬器件等在新型智能儀器中的介面電路設計、數據通信設計和數字邏輯設計等,詳細地給出了設計原理圖和電路圖;給出了新型智能儀器的軟體設計細節,從而完成了新型智能儀器完整的軟硬體設計。Based on the mathematical model for analyzing the seismic responses of submerged tunnels proposed by choshiro tamura and shunzo okamoto, the analytical model for calculating the stochastic earthquake responses of the whole underground structure was proposed and the formulas for evaluating the stochastic characteristics of the underground structural seismic responses were derived. the dynamical mean - square responses of the nanjing changjiang tunnel under gauss stationary random process were calculated. 3
2將日本田村重四郎?岡本舜三提出的沉埋隧道地震反應分析的數學模型應用於地下結構隨機地震反應分析,利用數值分析方法建立了隧道整體隨機地震反應分析的數學模型,得到了地下結構整體隨機地震動力響應數字特徵的數學表達式,為地下結構整體隨機地震反應分析及動力可靠度的研究提供了一種分析途徑。Serial number frame in clothing structure mode
衣型結構模式中的系列數字構架Based on this scheme, the control system architecture is designed. based on this system ’ s necessary, the signal conditioning interface box is designed, it is used in the conditioning of sensor and the design of drive circuit, the software of controller is also developed, finally, the performance index of controller is validated by a closed - loop simulation test system with aero - engine model and digital controller
根據此方案,確定了模擬平臺中控制系統的體系結構,根據系統的需要,設計了信號調理介面機箱,實現了對傳感器信號的調理及驅動電路的設計,並進行控制器軟體的開發,最後利用發動機數學模型和數字電子控制器組成閉環模擬環境,以驗證控制器的各種性能指標。The core contents of digital power transmission network are to build the true three dimension scene of objective region, to search for the transmission equipments and to operate them in the scene interactively. according to the two main kinds of three dimension digital models ( earth surface model and transmission equipment model ), this thesis describes a simplifying method depended on view - point : it accomplishes displaying and flying over a large area of true earth surface with level of detail model based on block - binary tree. and it realizes " the efficient display of abundant data of equipment models and interactive management by the method of combination of models and images
構建目標區域的真實三維場景,並在場景中對輸電設備進行查詢和交互操作是數字輸電網路的核心內容,本文針對數字平臺中兩種主要的三維數據模型? ?地表模型及輸電設備模型提出了基於視點的簡化方法:用塊? ?二叉樹結構的動態細節層次模型解決了大區域真實地形的顯示及漫遊方法;用失柵結合的方式實現了對海量設備模型數據的高效顯示及交互管理的功能。General speaking, the large number of signal types to be digitalized has led to a diverse selection of data converters in term of architectures used, bits of resolution achieved and sampling rate employed
一般而言,大量需要數字化的信號要求有各種不同結構、不同解析度、不同采樣率的a d數據轉換器來實現。在比較了各種模數轉換器的結構和優缺點之後,本項目決定採用流水線式( pipelined )的電壓型結構。Finally, according to the mosfet ' s parameter degradation due to hot - carrier effects and different application environment of mos devices on analog and digital circuits, the circuit structures for hot - carrier immunity are proposed for digital applications by adding a schottky diode in series with the drain of the nmosfet suffered heavily from hot - carrier degradation.,
即在受熱載流子退化效應較嚴重的n mosfet漏極串聯一肖特基二極體的新型cmos數字電路結構和串聯一工作于線性區的常開n mosfet的mos模擬電路結構。經spice及電路可靠性模擬軟體bert2Features : compact size, economic price ; it is widely used to display 7 - segment digits, specific characters, symbols and patterns
段碼型液晶顯示模組結構簡單,主要用於顯示數位西文字元某些專用符號固定圖形等。With the using of the thin - walled structure fem theory, the fem model is set up, which can reflects the distortion characteristic and stress distributing rule. also, with the consideration of the configuration characteristics of the miter gate, the parameterized method of pre - process and post - process is studied and the fem calculations subsystem is developed. furthermore, this paper cites an example to illustrate the analysis and calculation of a miter gate
4 、運用空間薄壁結構有限元理論,建立了能真實模擬人字門運行過程變形和應力規律的空間薄壁結構有限元數學模型;根據人字門的結構特點,研究了人字門參數化前後處理技術,開發了人字門空間有限元分析子系統,並進行了工程實例的有限元分析計算。How to estimate roughly in lamination temperature field and temperature stress field of mass concrete of base - plate are presented. physical and mathematical model of calculation in lamination is established. calculation formula is given and so is the result
提出了底板類大體積混凝土結構溫度場及溫度應力場的分層計算方法,建立了分層計算物理與數字模型,推導了數學計算式,並給出了底板類大體積混凝土溫度場計算的解析解,從而為初步估算底板類大體積混凝土結構的溫度場及溫度應力提供了方便適用的手段。The numerical simulation method based on the strip - yield method has begun to be used in the air space structures, but not used in the fatigue questions in the submarine
基於帶狀屈服模型的數字模擬方法在航空航天結構上已經開展運用,但尚未用於潛艇結構疲勞斷裂問題。The numerical simulation technique is used to study on the fatigue properties of submarine with high strength steel. the numerical simulation model is established and its feasibility is validated. at last, the possibility of establishing a kind of calculation and design methods of fatigue life in submarine structure is primarily analyzed
本文把疲勞裂紋閉合模型通過切片合成法引入到潛艇結構疲勞強度計算上來,建立了潛艇結構疲勞強度的數字模擬計算的數學模型,分析該方法在潛艇結構疲勞強度計算上應用的可行性,為建立一套計算和設計潛艇結構疲勞強度的方法作了初步的探討。Then the content and structure of seabed sediment table data is analyzed and the data model of seabed sediment thematic digital map is confirmed
分析了海洋底質表格數據的存儲內容與結構,確定了海洋底質專題數字圖的數據模型。The main research content of the article is involved as follows : ( 1 ) the research and discussion of the quantitative metallographic analysis methods and the measuring methods of micro hardness. ( 2 ) the application of digital image technique in metallographic image preprocess such as gray level transformation, dichotomy, noise eliminating, dilation and erosion, image enhancement, boundary detection, etc. the application of the wavelet and multi - resolution analysis in metallographic image procession to improve the measuring accuracy and efficiency. the application of the region growth and mathematical morphology in analyzing image parameters to improve the flexibility and exaction
本文的主要研究內容: ( 1 )定量金相分析和顯微硬度測量的方法研究; ( 2 )利用數字圖像處理技術,實現金相圖像的灰度轉換、二值化、噪音消除、膨脹收縮、圖像增強、邊緣提取等預處理;引入小波理論、基於數學形態學的區域生長法對采樣圖像進行分析,實現了對採集圖像邊緣的有效提取,從而提高了測量精度; ( 3 )開發了金相圖像分析系統的主體結構(硬體結構和軟體結構) ; ( 4 )採用windows開發平臺的面向對象程序設計語言microsoftvisualc + +進行系統的模塊化設計; ( 5 )提出了採用多模式的知識表示方法建立知識庫,應用正反推理、模糊數學模型、基於規則的模式匹配模型建立金相分析專家系統。On the basis of the third kind structure ( the modulator in simulative field ), the paper gave out a method to realize the software radio digital hardware modulator which can perform the function of ask, psk, dpsk, mask, qpsk, dqpsk, qam, oqpsk modulations, using the apparatus of dsp and cpld. the test showed that the modulator can meet the request of system design
並以第三種結構的數學模型(模擬域的正交調制模型)為基礎,以dsp和cpld器件為核心,進行了硬體電路設計,實現了基於軟擴頻系統的軟體無線電數字硬體調制平臺,實現了多種數字調制方式,其中包括ask , psk , dpsk , mask , qpsk , dqpsk , qam , oqpsk調制方式。The data and the function requirements for this database system are deducted firstly by the analyzing of the data flow fig and the compiling of the data dictionary. then, the local e - r fig and the whole e - r fig are obtained by concept structure design. the database physical design is finally completed by sql server 2000 and the whole structure of the database is built
首先通過分析系統數據流圖,編寫數據字典,得出數據庫系統的數據和功能需求;然後經過概念結構設計得到數據庫局部e ? r圖和全局e - r圖,經過邏輯結構設計將e ? r圖轉換成關系數據模型;最後採用sqlserver2000作為工具完成了數據庫的物理設計並建立了數據庫的全部結構。This paper discusses the hardware system architecture of broadband software radio experiment platform, designs hardware circuit system, studies the basic theory of software radio deeply, establishes the mathematical model. the platform is made up of a / d ( ad6640 12bit 65 msps ), orthogonality transform, digital filtering and dsp, etc. the platform can demodulate pcm - am / fm / pm / ask / fsk / psk / qpsk, pcm - cdma - psk, pcm - qpsk signal
本文論述了寬帶軟體無線電接收實驗平臺硬體系統的體系結構,設計了硬體電路系統,深入研究了軟體無線電的基本理論,建立了接收實驗平臺的數學模型。該平臺由高速a d變換器( ad664012位65msps ) 、正交變換、數字濾波器、 dsp等部分構成。實現了pcm - am fm pm ask fsk psk qpsk , pcm - cdma - psk qpsk調制方式的解調功能。And for analog applications by adding a normally - on nmosfet in series with the n - mosfet in an analog circuit respectively. according to spice3f5 and bert2. 0 simulation results, the substrate current of new structure cmos inverter is suppressed to about 50 % of its original value and good hot - carriers resistant behaviors are obtained without adding any extra delay
0對倒相器的模擬結果表明:新型cmos數字電路結構結構使襯底電流降低約50 ,器件的熱載流子退化效應明顯改善而不會增加電路延遲;巳該電路結構中肖特叢一級管可在nmosfet漏極亙接製作肖特基金半接觸來方便地實現,工藝簡單又無須增加晶元而積。This paper conducts a study of nonlinear stability behavior of a long - span prestressed concrete rigid - frame bridge at cantilever construction stage respectively by means of buckling, collapse theories and 3d nonlinear digital models, discusses the stability characteristics of other similar bridges at the same construction stage, and also generalizes some helpful conclusions
摘要分別採用屈曲理論和壓潰理論,利用三維非線性數字模型,研究了懸臂施工階段大跨度預應力混凝土剛構橋的非線性穩定行為,探討了同類橋梁懸臂施工階段的穩定性,得出了一些有益的結論。分享友人