高速數據集合 的英文怎麼說
中文拼音 [gāosùshǔjùjígě]
高速數據集合
英文
high-speed data acquisition- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 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...
- 集 : gatherassemblecollect
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 高速 : (高速度) high speed; high velocity (hv); high rate; swift; fast; express; high-speed
- 數據 : data; record; information
- 集合 : 1 (聚集) gather; assemble; muster; call together 2 [數學] [自動化] [計算機] assemblage; set; co...
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The subject has mainly finished designing and debugging software and hardware of a / d decode module, fpga video processing module, video data frame deposit module, base clock produce module, d / a encode module, i2c bus control module, etc. a / d decode module gathers analog tv signals and realize video decode ; fpga video processing module deals with the data after decoding and produces systematic logic control signal ; video data frame deposit module offers the buffering area to a large n umber of high - speed video data ; base clock produce module through input basic video signal offers system accurate relevant synchronous signal ; under control of video processing module d / a decode module convert digital video data into compound tv signal which can be shown in tv directly ; i2c bus control module is used to initialize the chip of system by simulating i * c bus timing
本課題主要完成了a d解碼模塊、 fpga視頻處理模塊、視頻數據幀存模塊、基準時鐘產生模塊、 d a編碼模塊、 i ~ 2c總線控制模塊等部分軟、硬體設計及調試。其中a d解碼模塊採集模擬電視信號實現視頻解碼; fpga視頻處理模塊對解碼后的數據進行去噪處理的同時還負責系統的邏輯控制;視頻數據幀存模塊為大量高速的視頻數據提供緩沖區;基準時鐘產生模塊通過輸入基準視頻信號為系統提供精確的相關同步信號; d a編碼模塊在視頻處理模塊的控制下把數字視頻數據轉換成復合電視信號供顯示用: i ~ 2c總線控制模塊模擬i ~ 2c總線時序實現對系統中編、解碼晶元的初始化。A data acquisition system with the following features is realized : ? transmission rate up to 100kbyte / s over usb ; ? system ' s dynamic range as high as 120 db ; ? multi - kind of trigger mode control ; ? sampling rate as high as 100 ksps ; ? 12 - bit a / d conversion accuracy ; ? 32k bytes on - board data memory ; ? the system, which was made up of large - scale electronic chips, is small, light and portable, and suitable for field use
本設計最終實現了一個瞬態信號數據採集系統,它具有以下特點: ?採用usb介面進行高速數據傳輸,傳輸速度達100kbyte / s ; ?採用浮點a / d轉換技術,動態范圍達120db ; ?多種采樣觸發控制方式; ?最高采樣率100ksps ; ? 12位采樣精度: ? 32kb數據緩存; ?使用新型大規模電子器件,系統結構緊湊,重量輕,適合野外作業。This high - speed data acquisition card designed is based on pci bus and have high capacity memory interface. it combines high - speed date acquisition and high capacity real - time memory
為此,本文設計了一款基於pci總線且具備可擴展大容量存儲設備介面的高速模擬信號採集卡,將高速數據採集和大容量實時存儲結合在一起。On the premise that the basal transducer layout was designed according to the requirements of deep - sea exploring surroundings and technology on the basis of the hardware structure and data collecting ways of interferometric sonar, the echo signal by energy relativity search is analyzed and calculated, altitude data of the tiny terrain on the seabed under real - time irradiation of ultrasonic is gained as to provide parameters of best cutting depth for intellectualization of the seabed mining vehicle timely and promptly
摘要在相干聲納硬體結構及數據採集方式的基礎上,結合具體的深海鈷結殼探測環境和技術要求,確定了換能器基本布局,探討了信號採集與處理方法,利用能量相關搜索法對回波信號進行分析和計算,得出超聲波實時照射下的海底表面微地形高程數據,為海底采礦車智能化開采提供實時、快速的最佳切削深度參數。According to the army operational readiness training management stipulation and the present standard, the unified subject design, the unification ascend the statistical system, the unification analysis examination and approval principle, the strict all levels of jurisdiction, facilitates each kind of information gathering, at the same time adapts the different user object information need ; depends on the army local area network, the armed forces net, realizes, between horizontally the vertical units to operation and so on data long - distance input, inquiry, report form, printing, achieves internal information true sharing ; the strict internal supervising and managing system, strengthens the information management, promptly realizes internal data automatically to report, the higher authority department can to report the information to carry on compiles, the merge and the analysis, promptly grasps each kind of resources for the correlation leader the memory, the assignment, the
根據部隊戰備訓練管理規定和現行標準,統一科目設計、統一登統計制度、統一分析審批原則、嚴格各級權限,方便各種信息採集,同時適應不同用戶對象的信息需求;依託部隊局域網、軍網,實現橫、縱向單位間對數據的遠程錄入、查詢、報表、列印等操作,達到內部信息的真正共享;嚴格內部監管制度,強化信息管理,實現內部數據的及時自動上報,上級部門能對上報信息進行匯總、合併與分析,為相關領導及時掌握各種資源的存儲、分配、使用狀況提供依據,全面提高部隊作戰、戰備、訓練和保障的應變能力;加強對新舊數據、橫縱向數據的管理,全面分析和挖掘數據間的聯系,充分利用數據的潛在價值,為資源管理者提供快速有效的決策支持。For those applications where the infrared camera and the pc are a distance away from each other, the thermovision a20 - m has an integrated keyboard
軟體能直接通過火線ieee - 1394以每秒50幅圖像採集數據,特別適合於動態目標和高速的熱事件的分析。Thermacam database software enables you to trend, archive, and organize inspection data and reports quickly and easily. thermacam image builder knits multiple ir images together to create a single radiometric composite
軟體直接通過火線ieee - 1394連接以每秒15幅圖像的速度採集數據,特別適合於對動態目標和高速的熱事件做進一步分析的行業。Long - life lithium - ion batteries are rechargeable from 12vdc and 120vac sources, or operate the s65 directly from external power sources. optional software does the work for you ! thermacam researcher reporting and analysis software analyzes your data in real time
軟體直接通過火線ieee - 1394連接以每秒50幅圖像的速度採集數據,特別適合於對動態目標和高速的熱事件做進一步分析的行業。Thirdly, the range switch circuit and filter circuit are designed in the analog input channel. to realize the safe high speed acquisition, the interface circuits are separated from the function circuits, and the isolation power with high performance and digital isolator is used to restrain the common mode disturb and noise of the input
3 .模擬輸入通道設計有量程切換電路和濾波電路,並且採用了屏蔽、浮置技術和磁耦隔離技術,使用了高性能的隔離電源和磁電耦合器,有效地抑制了輸入信號的共模干擾和噪聲,實現了安全、高速的數據採集。The main task of this paper concentrates on such parts as calibration of measurement sensor, high speed and accuracy image collection and processing, data fusion of different angle of view, visualization of measuring results. to accomplish sensor calibration, a pinhole model of the camera is employed and an equation of a light plane is setup. parameters such as the m array of the pinhole model and the normal vector of the light plane arc acquired through experiment. in image processing, we adopt the template - changing parallel thinning method to improve processing speed and accuracy
主要研究了攝像機針孔模型的建立及測量傳感器的標定;圖像的快速高精度的採集和處理,在圖像處理中採用多幀平均演算法,很好地解決了速度和精度之間的矛盾制約;根據旋動理論建立空間坐標變換數學模型,進而建立其不同視角下的測量數據融合演算法,生成完整的物體三維數據集合;在vc平臺下編寫三維顯示軟體模塊,完成三維測量結果的可視化,實現了三維物體的任意角度的觀察、任意倍數的放大和縮小、任意方向平移及動畫效果。If the backup device is heavily striped, such that the maximum write speed to the backup device greatly exceeds the speed at which it can append data to a file, then it can be appropriate to place several logical backup devices on the same stripe set
如果將備份設備高度條帶化,以便使對備份設備的最大寫入速度遠遠超過備份設備將數據追加到文件的速度,則在相同的條帶集上放置幾個邏輯備份設備會比較合適。This system mainly consists of signal generation, high - speed data acquisition, series experimental circuit and corresponding soft
該系統主要由下面幾個部分組成:數字合成( dds )信號源、高速數據採集、系列實驗板以及配套軟體等。To the problem that finding rules in enormous data is very time - consumable and the expansibility of existed algorithms is not very good, the thesis proposes a new method to discompose large data table based on the concepts of positive region and the importance of attribute in rough set theory. existed algorithms of rule deduction can be applied directly on the tree structure obtained by partition and the times for computation will be reduced observably. validation of information entropy on the partition structure shows that the partition of data table will not lead to the loss of information, while the computing speed increases at the same time, which reflects the practicability and rationality about the partition of large data table
針對海量數據處理起來極為耗時,現有演算法拓展性較差的問題,基於rough集理論中的集合正域概念以及由此定義的屬性重要性概念,提出一種大型數據表分解演算法,現有的規則歸納演算法可直接在分解得到的樹型結構上應用,將大大降低知識發現的時間,並從信息理論的角度利用信息熵概念對該分解結構進行了驗證,分析了這種分解的實用性及合理性,揭示了這種分解結構在提高計算速度的同時不會損失信息量。Nonlinear directional coupler ( nldc ) is a switch used in optical network. w. s. man had studied transmission controlling with ground state soliton through nldc, it is obviously not available to used in superhigh speed network ; and mary j. potasek had studied the self - coupling with ultrashort solitons in nldc, self - coupling is difficult to control the signal transmitting. i has studied the transmission controlling with ultrashort solitons ( < 100fs ) in nldc, similarly i use a controlling pulse to control the signal pulse, it is the intensity of controlling pulse to decide the signal change its direction or not
非線性定向耦合器( nldc )是用在光網路中的光開關器件,它主要用在全光網路中, w . s . man等研究過基態孤子在nldc中的傳輸控制,便於對全光網路中數據的正確傳輸,由於目前研究集中在100fs的超短脈沖傳輸特性上,顯然基態孤子的特點不再適用於超高速網路; maryj . potasek等就超短脈沖在nldc中的自耦合做了研究,在光網路中自耦合任意性太大,不利於控制脈沖的傳輸。An efficient algorithm qais is proposed that uses the efficient method to reduce database access activity, and present a novel algorithm aiu based on this algorithm, it is fit for mining association rules and incremental updating. it is especially effective in vldb, mining long patterns, and high support. the perfermance of qais / aiu is verified on the basis of synthetic data, experiments show that the proposed algorithm can mine association rules more efficiently by not generating candidate itemsets and reducing the redundancy of frequent itemsets while generating association rules
然而目前大多數挖掘關聯規則的演算法往往必需多次掃描事務數據庫才能達到要求的目標,這樣重復性的數據庫存取動作將會導致過多的執行時問浪費在i o動作上,另外在頻繁集生成規則時現有的演算法沒有考慮到規則的大量冗餘,為了解決這個問題本文提出了一個不需要生成候選集同時有效的去除生成規則時產生大量冗餘的演算法qais ,來提高關聯規則生成的速度,並且在此演算法基礎上提出了新穎的關聯規則增量更新演算法aiu ,通過應用合成數據驗證了qais aiu演算法的有效性,由試驗結果來看這個方法確實能更有效且準確地獲得事務數據庫的關聯規則,尤其適合挖掘超大數據庫中高支持度下長模式的挖掘。By adopting qam ( quadrature amplitude modulation ) modulation, we have researched and implemented a high - speed data broadcasting system compatible with dvb ( digital video broadcasting ) standard in the past years, and integrated and applicated the system into sdh / hfc ( synchronous digital hierarchy / hybrid fiber coax ) network for the first time in china
經過多年的研究,開發出了符合dvb標準、採用qam調制方式的陽光網高速數據廣播系統,同時在國內首次實現了基於sdh hfc網路的高速數據廣播系統集成應用。The main research issues consist of following aspects : 1. based on non - real - time ethernet and windows2000, we research how to meet the real - time requirement for hsm working procedure, via using shared data buffer to resolve the conflict between high - speed data acquisition and low - speed data process, then combine hsm features, correctly set priority among processes and threads, and compositively use software and hardware technical
主要內容為: 1 .詳細研究了在採用非實時的以太網( ethernet )和windows2000操作系統基礎上,如何通過使用共享數據區緩沖、解決高速數據採集與低速數據處理分析的矛盾,結合熱連軋的工藝特點,合理設置進、線程優先級,綜合運用軟、硬體措施滿足象熱連軋生產過程這樣的快速過程的實時性要求。Data warehouse is a hot research area in 90s its main motif is to provide the decision - maker a powerful tool : gathering the data in pure consistent, relevant pattern, and making use of the data in managing analyzing, data - mining purposec that means that the decision - maker can use the tool to understand, grasp the situation of the business from different directions and forecast the future of it when using data warehouse, the processing speed determines data warehouse ' s practicability and processing ability the hoc ( highway decision center ) system realized before solves some key problems about intermediate scale data, mainly concentrating data warehouse performance coefficient when using hdc in large scale data, it encountered processing speed problem then the settlement of this problem becomes a major research point so, based on the former research achievements, the present task is to construct the renowned data warehouse architecture and its relevant algorithms, then adapts the system to the large scale dataset with data mining functions c this paper is a part of the research in order to construct the powerful system, a key problem is to cope with the processing - speed problem and the data space problem, etc, - caused by the large scale dataset and magnificent dataset this is also the core in the present data mining research this paper ' s motive is to design and realize a decision - tree classifier in the data warehouse system for large - scale dataset
大型數據倉庫的處理速度問題目前是制約其推廣應用的關鍵所在,也是這一領域的一個重要研究課題,也正是我們當前工作的重點:在前期研究工作的基礎上圍繞提高大型數據倉庫處理速度問題,建立改進的數據倉庫系統模型和相關演算法,開發出面向中級以上企事業單位的、具有數據挖掘和分析能力的大型數據倉庫系統。建立大型數據倉庫所面臨的關鍵問題,是如何妥善解決實際業務數據的大規模、海量特徵所帶來的處理速度和空間等問題,這也是當前挖掘技術研究必然面對的核心問題。本研究的目的是設計並實現大型數據倉庫系統中的分類數據挖掘工具? ?決策樹分類器,主要工作是在綜合了解現有決策樹分類演算法的研究情況的前提下,對決策樹演算法適應大規模數據集的問題進行探討,力求設計出能較好地適應大規模數據的分類器演算法。A 16 - bit high speed a / d converter - ad976a is selected in this system, which brings high speed and accords with the requirement of system design
系統選用16 - bit高速模數轉換晶元ad976a ,數據採集高速準確,符合系統設計要求。Taking the advantages of the pc ' s powerful ability in high - speed data acquisition, controlling, operation, analyzing processing and colorful graphic human - machine interface, people can build virtual instrument ( vi ) with various functions and graphic front pane which combines with the function of traditional instrument, integration of operation software, circuitry and computer
虛擬儀器藉助于pc高速數據採集、控制、運算、分析、處理的超強功能,及其強大的圖形環境、界面設計和在線幫助功能,建立起功能多樣具有圖形化儀器面板的虛擬儀器。這種包含實際儀器的使用和操作信息的軟體、硬體與pc相結合構成的儀器,稱之為虛擬儀器。分享友人