dual data structure 中文意思是什麼

dual data structure 解釋
雙重數據結構
  • dual : adj. 二的;二重的;二體的;二元的。 dual personality 雙重人格。n. 【語法】雙數;【數學】對偶。 the D- Monarchy 雙重君主國〈指第一次世界大戰前的奧匈帝國〉。
  • data : n 1 資料,材料〈此詞系 datum 的復數。但 datum 罕用,一般即以 data 作為集合詞,在口語中往往用單數...
  • structure : n. 1. 構造,結構;組織;石理,石紋。2. 建造物。3. 【化學】化學結構。4. 【心理學】(直接經驗中顯現的)結構性,整體性;整體結構。adj. -d ,-less adj.
  1. In addition, the paper designs a bottom database model, selects a multi - aim strategy combining files with known data, and establishes dual interaction data model that has explicit conceptual structure and directly aims to geographic objects, and provides backing up enquiry language ( g - sql ). simultaneously, after analyzing and studying methods available for the under pipelines, the paper constructs survey adjustment calculation model, and according to the model, checks the survey of under pipelines. the results indicate that the model is suitable to actual requirement because it greatly increase calculation speed, meeting calculation accuracy requirement

    在此基礎上,對系統的底層數據模型進行設計,選擇了文件與成熟數據庫相結合的混合策略,併兼顧面向對象的數據庫( oodb )和可擴充數據庫( edb )的特點,建立了一個概念層次清晰、面向地理對象實體的雙層語義數據模型以及支持模型的查詢語言g - sql ,同時對地下管線的各種測試方法進行分析研究,建立了地下管線測量平差計算模型,並以此對所勘測的地下管線進行核算,計算結果表明,計算模型不僅大大提高了核算的速度,同時在計算精度上也符合核算的要求,是符合實際要求的關于測量平差計算的模型。
  2. The system - controlled iir filter and fft were realized using fpga in this paper, and modified pipeline structure is adopted to greatly raise the running speed in the system - controlled iir filter. in the same time, it is used that the algorithm of n - point complex to compute 2n - point real data block in the radix - 2 fft. it is different to the normal method in the adoption of pipeline single dual ram for each stage

    論文用fpga實現了系統的受控iir濾波器和fft部分,受控濾波器採用改進的流水線結構,運行速度得到了大幅度的提高,同時運用n點復數dft演算法來計算2n點實數數據,在fpga中實現了基2的1024點復數fft ,同一般的實現不同,採用了流水線式的每級單個雙口ram的方法,節省了ram的容量,經驗證,該設計符合濾波器系統的要求。
  3. At the same time half - facet data structure can be transformed using the dual facet annihilating method

    同時提出了半面結構轉化為半邊結構的對偶面片湮滅法。
  4. Based on the the mass experimental data, taking advantage of electronic control technology, a set of diesel / cng dual fuel supply system is developed and the control of cng supply for turbocharged diesel engines is primarily realized. this thesis introduces the development of this electronic control system in detail, including the structure of hardware, the module of software and the control style

    在實驗室大量實驗數據的基礎上,採用電子控制技術,自行開發設計了一套柴油cng雙燃料供給系統,初步實現了在增壓發動機上對cng摻燒的控制。論文詳細介紹了該雙燃料電控系統的研製過程,包括硬體結構、軟體模塊以及控制方式。
  5. In this thesis, can bus is used as the system bus, concentrating the research on the feasibility of using redundancy can bus technology in large - scale motor vehicle safety performance detecting & control system. this thesis first gives an overall design of the data collection and control system applied to the front end of a large - scale motor vehicle safety performance detecting & control system. regarding that the bus controller, bus driver and bus transfer medium would fail to function easily, the dual mode cold - redundancy structure is adopted in system to ensure the reliability

    本文採用can總線作為系統總線,重點研究冗餘can總線技術應用於大型機動車安全性能測控系統的可行性並進行驗證:首先對基於冗餘can總線的機動車安全性能測控系統的前端數據採集與控制系統進行了總體設計,考慮到總線控制器、總線驅動器和總線介質都是容易出故障的部件,系統採用了二模冷冗餘結構來保障can總線通訊的可靠進行;其次,根據系統需要,設計了基於c8051f021的帶冗餘can總線通道的數據採集與控制模塊,用於採集與處理檢測現場的模擬信號和數字信號,並自行開發了can總線應用層協議以及應用軟體,通過冗餘can總線實現與上位機的可靠通訊;然後,為了驗證冗餘can總線設計方案的可行性,搭建試驗平臺並進行can總線故障切換的試驗;最後對課題的研究工作進行了總結與展望。
  6. Experimental data shows us that the system has a perfect structure, because it adopts some means such as the dual protection of the over current signal and current cut - off feedback circuit, so the system has a good stability and reliability

    實驗結果表明,系統結構完善,採用過流信號的雙重保護和電流截止負反饋等措施后,使系統運行穩定,可靠性提高。
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