數據存取單元 的英文怎麼說

中文拼音 [shǔjùcúnqǔdānyuán]
數據存取單元 英文
dau data access unit
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 據 : 據Ⅰ動詞1 （占據） occupy; seize 2 （憑借; 依靠） rely on; depend on Ⅱ介詞（按照; 依據） according...
  • 存 : 動詞1 （存在; 生存） exist; live; survive 2 （儲存; 保存） store; keep 3 （蓄積; 聚集） accumulat...
  • 取 : Ⅰ動詞1 （拿到身邊） take; get; fetch 2 （得到; 招致） aim at; seek 3 （採取; 選取） adopt; assume...
  • 數據 : data; record; information
  1. The sms representation scheme allows a given specification to be decomposed into an ordered sequence of sub - sms, and attempts to match each sub - sms with one or more stored basic mechanical units. thus, the possible solutions are generated. the data structures, the decomposing and the synthesis algorithm are presented according to the established mathematical models and the data base system

    同時，結合關系型數據庫系統對運動方案設計知識庫的組織管理（包括基本變換單元信息的存儲、提取操作及數據流間的復雜關系建立） ，提出了方案設計的綜合求解演算法，實現了在計算機上進行方案設計的可計算自動求解。
  2. The basic principle of natural gamma - ray log is stated, the developing background, developing ways and developing situation of natural gamma - ray tools are introduced. the researching task of the paper is presented through analyzing the using situation and questions exsisted in inner natural gamma - ray tools, the researching work is started from three aspects, they are logging tool development, reliability design and reliability assuring methods, and the data processing methods, in the course of logging tool development, instrument indexes are presented based on the compatible property of sookbps telemetry system and environmental property, the analog measuring chanel and the interface circuit which realizing the compatible performance are designed according to the instrument mdexes. the detecto * design. the plateau property testing of the detector and the analysis of it ' s affecting factors are stated, the measuring property of the tool is discused, a new type of single chip microcomputer is selected when designing the interface circuit, and the laboratory experiments has fulfiled conmunieating standard signals between the interface circuit, the universal interface unit of sookbps telemetry system and also 500kbps telemetry system

    本文首先概要介紹了石油測井的基本概念、方法、條件、最新進展、以及應採取的研發對策，論述了自然伽瑪測井的基本原理，介紹了自然伽瑪測井儀的發展背景、發展歷程和發展現狀，通過分析國內自然伽瑪測井儀的使用情況和存在的問題，提出了本文的研究任務。研製工作從測井儀研製、可靠性設計與可靠性保障技術、數據處理方法研究三個方面展開，在測井儀研製過程中，根據500kbps遙傳系統要求的配接性能和使用環境特徵，提出了主要儀器指標，並根據這些指標，設計了儀器模擬測量通道和實現這一配接性能的介面電路；論述了探測器的設計、坪特性影響因素分析及其測試，探討了儀器的測量性能；在設計介面電路時選用了新型單片機晶元，並與500kbps遙傳通用介面單元rtu 、 500kbpa遙傳系統實現了室內配接。
  3. There are some limits in the ccr model. this paper promote ccrmp model and dea - ahp model so as to improve ccr model on processing abnormal data, limiting weights and putting efficient unites in order. then use these models to evaluate 26 cities " competitiveness of china

    針對數據包絡分析方法的ccr模型存在的若干限制，在特殊投入產出處理、權重取值限制和有效決策單元完全排序三個方面進行了改進，提出了ccrmp模型和dea ? ahp模型。
  4. It features a data prefetch engine, non - blocking interleaved data cache, dual floating point execution units, and many other goodies

    它特有一個數據預取引擎，無阻塞的交叉數據緩存，雙浮點執行單元，以及其他一些很好的設計。
  5. And the third is solid - state store witch record the stereo picture - pair. this thesis is provided in four chapters. chapter 1 and chapter 2 describe base knowledge, chapter 3 discusses key techniques used in on - board stereo image processing system, and chapter 4 focuses upon the successful application

    數據圖像的獲取主要解決如何將像元數據從ccd相機輸出的數據流中提取出來；數據的組幀編碼主要負責將從三個ccd陣列得到的簡單的像元數據恢復成彼此相關的立體像對；而數據的固態存儲則主要探討了大量數據在空間惡劣環境下的固態存儲技術。
  6. The act of accessing two or more bytes or streams of data from distinct storage units simultaneously

    同時從不同的存儲單元中存取多個位元組或數據流的操作。
  7. Shaders often utilize interpolated values and constant parameters instead of texture memory for majority of inputs, thus graphics applications are more likely to perform many instructions per - texture fetch

    由於從紋理單元中提取數據比較耗時，所以盡量用插值數據或常量來存儲輸入數據。
  8. But the standard mc has some shortcomings : firstly, the standard mc picks up isosurfaces by threshold, however, threshold segmentation is invalid for picking up tissues or organs from some medical images ; secondly, the standard mc pocesses cubes one by one, that is to say, all the cubes will be checked, and the algorithm spents 30 % - 70 % of time to check the null units, so we need a reasonable data structure to travel the space data and accelerate the checking or filting of null units ; thirdly, the standard mc has a large scale of triangles, normally, the tissue or organ reconstructed includes hundreds of thousands so much as millions of triangles, this means it hardly to execute real - time rendering or interaction ; lastly, the standard mc can not get the very smoothly surface mesh, and there will be some unexpected accidented cases, especially in the case of big errors in oringinal data

    但是標準mc演算法存在較大的問題:標準mc演算法實質上是通過閾值分割來提取等值面，閾值分割對某些醫學圖像的組織或器官的提取難以得到較好的效果;標準mc演算法是逐個移動立方體來進行處理，就是說對所有的立方體都要進行一次檢測，演算法執行中30 % ~ 70 %的時間用在對空單元的檢測上，因此需要有一種合理的數據結構對空間數據進行有效的遍歷，以加速對空單元的檢測和過濾;標準mc演算法產生了大量的三角面片，一般重建的組織或器官包含數十萬甚至上百萬的三角面片，難以實現實時的繪制和交互操作;標準mc演算法得到的表面網格並不光滑，會有一些不期望的凹凸，特別是在原始數據有較大誤差的情況下尤其突出。
  9. Pipelining and parallel technology, accompanying with fast fifo as cache memory, instead of direct program operation, are adopted in the scheme and increase the transmitting speed dramatically ; fpga ( field programmable gate array ) is applied to realize the complex control logic of the system and makes it integrative, flexible and fast ; 386ex based embedded system, along with vxworks real - time operating system is introduced to substitute the microcontroller based system to simplify the hardware design and enhance the overall performance of ssr, and will make the system more easier to be applied to the projects in the future

    該設計方案採用了流水線和并行技術，配以快速fifo緩存的方式取代了直接對flash進行編程的方式，極大地提高了閃存晶元存儲數據的速率；採用fpga技術實現系統的主要控制邏輯，集成度高、靈活性好、速度快；採用基於386ex的嵌入式系統及基於vxworks的嵌入式實時操作系統，取代單片機系統及其編程，提高了系統的整體性能，減輕了硬體設計的負擔，且使系統研發的延續性好。
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