數據流效果 的英文怎麼說
中文拼音 [shǔjùliúxiàoguǒ]
數據流效果
英文
photoshop- 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...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 果 : Ⅰ名詞1 (果子) fruit 2 (事情的結局; 結果) result ; consequence 3 (姓氏) a surname Ⅱ動詞(吃...
- 數據 : data; record; information
- 效果 : 1. (產生的結果) effect; result 2. [劇] sound effects
-
In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields
為了消化和吸收近年來lb方法在理論和應用方面的新成果,探索在水力計算方面的新途徑以促進lb方法實用化的發展,本文進行了下列研究工作:綜述了lb方法在理論研究和實際應用方面的新進展,以及d2q9模型的推導過程和其他一些常用的模型;在水動力邊界條件和通用邊界條件的基礎上提出了一種新的聯合邊界條件方法,它綜合了上述兩種邊界條件的優點,在流場的各種邊界處理中取得了非常好的效果,經過模塊化的處理以後這種邊界條件具有更好的實用性;針對均勻網格的lb方法計算效率較低的不足,提出了雙重網格的latticeboltzmann方法,通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的模擬,證明這種方法能夠明顯地提高流場模擬的計算效率;此外,根據復雜區域流場的特徵提出了latticeboltzmann方法的分塊-耦合演算法,利用lb方法的計算特性實現塊與塊之間的數據交換,充分利用計算資源提高計算效率,通過對「 t 」型、 「十」型和「 x 」型分岔管道流場的模擬,展示了這種演算法的特徵和優點,以及它所具有的應用前景。In order to verify the accuracy, credence and effectiveness of the unstructured overset grid algorithm, steady and unsteady flow field of naca0012 airfoil are simulated. the unsteady flow field is caused by the oscillation of the airfoil. the two computational results are both compatible well with the experimental data
為了驗證非結構重疊網格方法的正確性、可靠性和有效性,本文對基於非結構重疊網格的naca0012翼型的定常流場以及簡諧振蕩的非定常流場進行了數值模擬,均取得了與實驗數據符合良好的結果。This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer
用java編程語言編寫的曲線擬合模塊,對輸入的實驗數據進行了最小二乘法的曲線擬合;根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入阻抗,並由此輸入阻抗確定磁致伸縮換能器的諧振頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比,能更準確地確定磁致伸縮換能器的諧振頻率及其電氣網路參數。同時,採用當前比較先進的web技術,實現了基於jsp的磁致伸縮換能器web電氣模擬系統,該系統具有良好的人機界面和資源共享、信息發布功能。What ' s more, we put forward some experienced formulas on the basis of the cortical analysis. the result of the research show that by installing diffluent piers with low ridge, we can eliminate the root of oscillatiny water jump, perfect the energy dissipation effect of water jump, also, we can improve the flow condition of down - stream. the fact that the main flow of down - stream is in the middle, not only effectively lower the speed of the bottom flow in the ridge rear, alleviate the erosion to the river bed, but also avoid the heavy wave resulted from the main flow in the surface, thus improve the surface wave of down - stream obviously. we can work out the body style parameters of diffluent piers with low ridge according to the project flow condition and experience formulas, and then reckon the down - stream surface wave condition for the protected building of the down - stream bank
研究結果表明:設置低坎分流墩后,消除了擺動水躍水舌擺動的根源,提高了水躍的消能效果,改善了下游水流流態。下游水體的主流在中部,既有效的降低了坎后水流底流速,減輕水流對河床的沖刷,又避免了主流位於表面導致波浪過大的結果,下游的水面波浪明顯得到削減。依據經驗公式,可根據工程水流條件設計出低坎分流墩的體型參數,進而估算出下游沿程的水面波浪,為下游岸邊的砌護提供依據。In general, a precise resistor is in series with one of the resistors in wheatstone bridge to compensate the zero offset, and the other one is in parallel with another arm of the wheatstone bridge to compensate thermal zero drift. based on this principle, in this paper, a compensation method based on virtual instrument technology has been put forward. actuated by current source, a good calculation method of compensation resistors and their position in the bridge is deduced
本文基於串並聯電阻補償法的原理,提出了一種基於虛擬儀器的誤差補償方案,推導了在恆流源供電下可以精確的計算出補償電阻大小和補償位置的演算法,並且在虛擬儀器軟體平臺labview上完成了數據採集、處理、顯示等軟體的設計,經過實驗的驗證,對傳感器的零點溫度漂移補償取得較好的效果,而對靈敏度溫度漂移的工藝補償亦有一定的效果。By using serial correlation test and cross - section test through the data of the share companies that were listed in shanghai stock exchange before 16th oct 1998, the size effects in china stock market was tested in the period from 16th oct 1998 to 26th oct 2001. all the share companies which in total 373 were grouped into 11 according to four different criterions. these four different criterions were total circulating captal stocks, total circulating market value, total capital stocks, total value of a share company. through the correlation test between the abnormal return rate and the size of the group, no size effect was found through the size criterion of the total value and the total circulating value except only one period
運用序列相關性我國股票市場的小公司效應進行實證檢驗,所採用的樣本是在1998年10月16日以前掛牌上市的373家上市公司從1998年10月16日到2001年10月26日,共150周的交易數據。對公司進行以規模大小分組時,分別採用了流通市值、流通股本、總市值和總股本四種不同的標準進行投資超額收益率規模相關性分析,發現以總市值和流通市值為規模標準的實證結果除個別時期內存在著小公司效應外,其它時期並不存在小公司效應,而以總股本和流通股本為標準的小公司效應最為明顯;另外,小公司效應在統計區間內表現出時段性。4. an roi coding method realized by foveation technology and two of its extended applications are presented. by unevenly upscaling the wavelet coefficients, the method can not only reconstruct the roi data priorly in a low bit - rate codestream, but make the progressive reconstruction of the image data more convenient for the human vision system
該方法根據人類視覺生理特點,將小波變換系數進行非均勻的上移位處理,不僅能夠保證感興趣區域圖像數據在低比特數據流中的優先恢復,還實現了使圖像的漸進恢復過程更加適合人類生理視覺感觀特點的效果。In an actual case of the numerical modeling on the flood of both the north branch and the mid - downstream of daqing river in haihe river hasin, the flood is simulated with one - dimensional model, in which flood regulation of the retarding basin, the discharge gate control and the infiltrations of the northern rivers are considered
在海河流域大清河北支及中下遊河道洪水數值模擬的實際工作中,應用了一維河網模型進行洪水的模擬計算,並根據實際情況加入了蓄滯洪區調度、泄洪閘控制調度以及近年來北方河道入滲的特點等條件,計算效果良好。The advent of the internet and the wide availability ofcomputers, scanners and printers make digital data acquisition, exchange and transmission a simple task. however, making digital data accessible to others through networks also creates opportunities for malicious parties to make salable copies of copyrighted content without permission of the content owner. digital watermarking is likely to be a potential solution to this problem. digital watermarking has been proposed as a solution to the problem of copyright protection of multimedia documents in networked environments. it makes possible to embed a watermark ( such as identification data, serials number, text or image etc. ) to multimedia documents allowing copyright protection, secret communication, document authentication and so on. in this paper, we present a new digital image watermarking method based on svd ( singular value decomposition ), and then give some theoretical analysis about the algorithm. extensive experimental results show that this method is much more robust than other methods presented before
隨著計算機和網路技術的飛速發展,數字圖像、音頻和視頻產品愈來愈需要一種有效的版權保護方法,另外通信系統在網路環境下的信息安全問題也日益顯露出來.數字圖像水印技術為上述問題提供了一個潛在的解決方案.所謂水印技術就是將數字、序列號、文字、圖像標志等版權信息嵌入到多媒體數據中,以起到版權保護、秘密通信、數據文件的真偽鑒別和產品標志等作用.本文提出了一種新的基於奇異值分解的數字水印演算法並且對該方法的理論基礎給出分析.實驗結果表明這種方法要比目前提出的流行演算法魯棒The model of variability of submergence depth is established based on the law of volume balance, and the changing trends of parameters like submergence depth etc are analyzed. according to the principle of supply and discharge balance, the method to predict oil yield is presented. subject to different objective functions, the corresponding optimum combinations of suction parameters are analyzed, and the importance of choosing objective function to optimum combination of suction parameters is emphasized
本文研究了油井流入動態關系,根據井筒內液量平衡原理,建立了沉沒度變化的數學模型,分析了沉沒度等參數變化規律;根據油井供、排平衡原則,得出了抽油泵排量系數相對穩定狀態下產量預測的關系;分析了不同目標函數下,油井抽汲參數的組合效果,指出了目標函數選取對參數合理組合的重要性。Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment
在windowsnt系統環境和labview虛擬儀器技術開發平臺下,首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊,設計了一種對實驗所得數據進行曲線擬合的方法,對三種擬合方法進行了比較,曲線擬合結果表明,多項式擬合方法相對于其它兩種擬合方法效果更好;根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械振動形成的等效輸入阻抗,並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網路參數;最後通過labview提供的網路功能,實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統,並探討了通過datasocket技術實現該系統網路化的方案。Material current management is the core of data management in every material circulation department. by combining with planning, purchase, selling, and shifting, inventory management organically, it has marked and positive effect on decreasing cost, reducing backlog, speeding up the turn of funds, guaranty production. it presently has become the most important one in the heavily part of the enterprise management and amt
物流管理是各物資流通部門數據管理的核心,它將計劃、采購、銷售以及物資調度、庫存管理有機結合起來,對降低成本,減少庫存積壓、加速資金周轉、保證生產順利進行都有顯著的效果和積極作用,目前已成為企業的重中之重,是先進製造技術的重要組成部分。Lagrange wave speed in the release process was computed from the measurement, and result shows a good agreement with the data in literature. furthermore from the lagrange wave speed, the stress - strain relationship in the release process was calculated using the impedance match solution. comparison of the stress - strain with the fluid elastic - plastic model indicates that ofhc copper exhibits a clear work - harden behavior during the release
根據界面粒子速度剖面,計算得到了卸載過程中lagrange聲速隨界面粒子速度變化的關系,所得結果與文獻給出的數據符合很好;其次,利用阻抗匹配近似,計算分析了無氧銅卸載過程的應力-應變關系,並與流體彈塑性模型進行了比較,結果表明:無氧銅的卸載過程存在明顯的應變硬化效應。Circulation for transferring record then, based on the above limitations, this paper proposes a dynamic load balancing method. through the simulation of the change over time of the traffic of customer data, it draws a comparison in the deviation of the change over time of the traffic in a certain sdm ( service data module ) with respect to that of the average traffic of all modules between old method and new method. the load imbalance ratio, the number of records transferred per unit time and the reduction of number of modules are evaluated
本論文針對上述兩個問題,提出一種改進的負載平衡方法,通過對用戶數據流量隨時間變化的模擬,比較了記錄遷移方法改進前後每一模塊的流量變化與所有模塊平均流量變化的趨近程度,同時還對幾個重要參數:模塊數量縮減率、負載不平衡比和單位時間內記錄遷移數量,它們之間的關系進行討論,得出改進后的記錄遷移方法能夠達到動態平衡負載的效果。Briefly introduced are the development, system configuration, functions and data flow of the control system of " xiangfeng " emus. finally concluded are the effect and existing problems of the control system
摘要簡要介紹了「先鋒」號交流傳動動力分散電動車組控制系統的研製情況、系統構成與功能和數據流程;最後總結了控制系統的效果和存在問題。Based on the fundmental principles of runoff argiculture, soil and water conservation on harness, and the investigation to the steep slope lands resources in the western part of liaoning, this paper delt with the intension, rainfall harvest mechanism and effects, and the designing techniques for the rainfall and fertilizer terrace
本文根據徑流農業和水土保持綜合治理的基本原理,以及對遼寧西部陡坡地資源的調查研究,介紹了陡坡地集流聚肥梯田的內涵、集流機理、集流效果及其優化設計參數的確定。Having set up the models of the system, we discussed further some primary problems of the real - time technology, such as the data processing, the calculation of the flow, the calculation of the loss and the effective measures that can decrease the loss etc. the data processing realized the dynamic subsection interpolation to the original data. through this measure, the data would be more precise and reliable. the calculation of the flow and the loss solved the problems about the real - time calculation of the flow and the loss, showing the characteristics and advantages of the real - time system
其中數據處理演算法實現了對取得的原始數據進行動態分段插值,使得處理后的數據有效的貼近介面數據的原始幾何,較好的反映了系統的運行狀態;潮流計算和損耗計算解決了利用運行數據和系統參數在線計算系統潮流和損耗的問題,反映出實時系統的特點和優勢;降損分析主要探討了較通用的一些技術降損措施,並定量的分析了它們的降損效果和同時採用幾種措施的綜合降損效果。Second, the issue of approximate aggregation query on the data streams is discussed. meanwhile, the approximate query theories based on the histogram synopsis is proposed, and the autosuited histogram synopsis method and the histogram synopsis synchronization method are provided. third, the problem of predictive aggregate queries on the continuous data streams is researched, and a new predictive aggregate query method based on basic window synopsis and predictive equation is given
本文圍繞連續數據流上的聚集查詢展開討論,首先針對數據流上的精確聚集查詢問題,提出3種改進的基於滑動窗口的精確聚集查詢演算法,這三種演算法可以在消耗很少內存的情況下提供高效準確的查詢結果;其次討論了連續數據流上的近似聚集查詢問題,給出了基於數據流滑動窗口的直方圖大綱理論,並提出了適用於滑動窗口的自適應直方圖大綱生成演算法和大綱同步策略;最後討論了連續數據流上的預測聚集查詢問題,提出了一種基於基本窗口及預測方程方法的預測聚集查詢演算法。In the course of implementation on hardware, sdram is adopted to design a reasonable and practical data manipulation scheme for mpeg - 4 data stream. the system minimizes the resource requirements while meeting a definite function target. besides, on the basis of study on rate control of tmn8, we also designed the section of rate control of this system in the way of both hardware and software
通過對視頻編碼過程中數據流操作的分析,結合sdram的工作特點,合理設計了mpeg - 4編碼器的數據流調度方案,在滿足系統最高要求的基礎上,節省了寶貴的硬體資源,提高了程序的通用性;在分析了碼率控制的基本原理及演算法的基礎上,結合arm處理器的特點,設計了mpeg - 4編碼器碼流控制部分的硬體部分和軟體實現,實驗表明其起到了編碼結果調整的作用,效果良好。There also designs an image transmission syetem to test the running result of the embedded tcp / ip. from the running result, it can be say that the embedded tcp / ip is really utility and feasible
為了驗證方案的確實可行,本文以數據流量較大的圖像傳輸系統為研究對象,來檢驗嵌入式tcp / ip協議的運行效果。分享友人