實運算常數 的英文怎麼說

中文拼音 [shíyùnsuànchángshǔ]
實運算常數 英文
real arithmetic constant
  • : Ⅰ形容詞1 (內部完全填滿 沒有空隙) solid 2 (真實; 實在) true; real; honest Ⅱ名詞1 (實際; 事實...
  • : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • : 數副詞(屢次) frequently; repeatedly
  • 運算 : [數學] operation; arithmetic; operating
  1. At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost , which have restricted the development of apf

    目前畸變電流檢測用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換,需要快速、,因此必須使用高速的字微處理器和高性能a / d轉換器,這必將大大提高系統成本,使得電路結構復雜,在一定程度上限制了有源濾波器的發展。
  2. A reference type that encapsulates data constants and fields and behavior methods, properties, indexers, events, operators, instance constructors, static constructors, and destructors, and can contain nested types

    一種引用類型,它封裝據和行為,並可以包含嵌套類型,其中據包括和欄位,行為包括方法、屬性、索引器、事件、符、例構造函、靜態構造函和析構函
  3. Transformed the six - bar guide - bar mechanism realizing linear displacement in automatic instruments into a basic rotating guide - bar mechanism, established the mathematical model of velocity approaching constant by the classical approximate synthesis theory and the modern error theory, discussedthe influences of the existent region of main mechanismic parameters on kinematic and dynamic properties, analysed the theoretical transmission ratio error, advances systematic, complete steps and methods for dimensional synthesis of this mechanism with computer aided design

    將自動化儀表中現線性輸出的六桿導桿機構轉化為基礎轉動導桿機構,應用經典的機構近似綜合理論與現代的誤差理論,建立了速度逼近學模型,討論了主要機構參存在區域及對動、動力性能的影響,分析了傳動比理論誤差,提出了系統完整的計機輔助尺度綜合的步驟與方法。
  4. By studying the experience of using common - use machine to the real - time processing for sar imaging, an improvement was made to the design method of the common - use machine, which made the common - use machine suitable to the real - time processing of sar imaging

    通過借鑒某所使用通用機進行sar成像時處理的經驗,針對sar成像中據量大和量大的特點,本文對傳統的通用機的設計方法進行改進,該方法非適合於sar成像的時處理任務。
  5. Thermal stress control system actually gather the real - time data of unit sets , compute temperature fields , stress fields and maximum dangerous stress by the math modal , decide target and speedup rotation in every stage of startup process , and justify automatically to realize auto control a serial of processes of turbine , such as speedup , warm - up , connecting net , load changing , stop and unsteady condition etc , and improve automatic level of the unit sets. turbine auto startup ( tas ) system can automatically evaluate steam turbine ' s startup and load changing process according to thermal stress of

    熱應力控制系統際是對機組行參進行時採集與監控,通過學模型時地計高、中壓缸轉子的溫度場、應力場分佈,以及最危險熱應力,以確定啟動過程各階段的目標轉及升速率,並進行自動調整,現機組沖轉、升速、暖機、並網、升負荷、停機以及異工況下的自動控制,大大提高了機組的自動化水平。
  6. Under our task experimental condition, we calculated the sensitivity of our planning to develop dial system with direct detection, besides, we studied the relationship between the sensitivity of measurement and atmospheric refractive - index structure constant and applied matlab program simulated the system parameters such as beam diameter, laser divergence angle, detection distance and gained relevant relationship curves

    在課題驗條件下,模擬計了直接檢測dial系統的測量靈敏度。在考慮大氣折射率結構對系統測量靈敏度影響的基礎上,並對各種系統參如光束半徑、束散角和探測距離對測量靈敏度的影響用matlab程序做了模擬計,為合理選擇系統設計參提供了依據。
  7. In the hardware implementation of a multi - channel active noise control system, the computational complexity is increased sharply when the number of filter coefficients and channels are increased

    摘要在多通道有源噪聲控制系統的硬體現中,當通道目增大或濾波器長度較長時,規的多通道演量急劇增加,使控制器可能無法現。
  8. 3 a novel recursive least - square ( rls ) blind space - time receiver algorithm based on the constrained condition, which can completely avoid the matrix inversion introduced into by constraints ( comparing with the normal rls ), is proposed for multi - path slow fading cdma channels. the computational complexity of this method is not only lower than that of the normal rls, but also lower than that of both lms and ls blind space - time receiver methods that are realized based on the rosen ' s gradient projection. and the speed of convergence of the presented rls blind space - time receiver algorithm is better than that of both lms and ls blind space - time receiver methods

    3 、針對多徑慢衰落通道下ds - cdma盲空時接收機中線性約束二次規劃問題提出一種新的遞歸最小二乘演法,該演法完全避免因約束而引進的矩陣求逆(相對于規的遞歸最小二乘演法) ,不但量比規的要低,而且比基於rosen梯度投影現的最小均方( lms )與最小二乘盲空時接收機演法還低,且收斂速度比基於rosen梯度投影現的最小均方( lms )與最小二乘盲空時多用戶檢測都好,將提出的新的遞歸最小二乘演法與提出的據選擇方案結合起來可以進一步降低其量,具有很大的用價值,最後通過模擬驗進一步分析了其性能。
  9. The foxboro dcs is regarded as main reference object, it does n ' t same as the traditional simulator. the logic protect and control are separated from model and the configuration control system be exploited in the paper. and the configuration of logic protect and control is operatised at operation station administration system, not to be added into model, not to build control sound code also

    其邏輯保護和控制部分的組態在操作站管理系統進行,不用加入模型,也不用生成控制源代碼,因此很自然的就現了在線調整、時控制等類同於際現場的模式。在本課題中,控制、邏輯保護和電氣邏輯模擬軟體主要包含熱工控制中一些用的代和邏輯
  10. Based on the system engineering theory, and through detailed analysis of economic techniques of the engineering work plan examples of the common used long span steel truss structures, utilizing the sequenced layer analysis, the current paper will establish the long span engineering work plan index system. also by the fuzzy mathematical principles, it builds multi - layer fuzzy complex mathematics judgment and calculate the weight coefficient of each index by application of fuzzy power duality method ; and based upon the experts investigation method builds each index judgment matrix. finally applying the current popular update system tool - power builder 8. 0 developed the " optimization system of ( construction ) fuzzy work plan " to solve and carry out the multi - layered fuzzy combination judgment ; then step on the analysis and research on the reliability of the optimal solution for further achievement of the final objective of the fuzzy optimization in selecting the construction work plan of long - span steel truss realization

    本文以系統工程學的理論為基礎,通過工程例對用大跨度鋼桁架結構施工方案進行詳細的技術經濟分析,用層次分析法建立起大跨度鋼桁架結構施工方案的指標體系,利用模糊學原理建立了多層次模糊綜合評判學模型,採用模糊權重二元對比法計出各指標的權重系,並採用專家調查法建立各指標的評判矩陣,利用目前最流行的工具系統- powerbuilder8 . 0編制了《建築施工方案模糊優選系統》求解計,進行多層次模糊綜合評判;調整權重和隸屬度,對學模型最優解的可靠性作了進一步的分析和研究,從而達到模糊優化選擇大跨度鋼桁架結構施工方案的最終目的。
  11. To completely avoid producing elements jointed at their corner nodes and checkerboard patterns, which frequently occur when the topology optimization of plane continuum is studied, the theory of topology analysis of plane continuum in topology optimization process and the simple algorithm for programming are studied. according to algebraic topology theory, the boundary of elements and plane continuum are operated as a one - dimensional complex. by use of the adjacency vector in graph theory, the structural topology is described and the topological operation is achieved on a computer. by above, the structural topological feature in the evolutionary process is gained. these methods are effcient and reliable. under topology constraints, according to the results of stress analysis, by deleting elements and moving nodes at the boundary, more satisfactory results can be gained by using a few numbers of elements and iterations. to demonstrate the efficiency of these methods, solutions including some well - known classical problems are presented

    避免目前平面連續體結構拓撲優化過程中經出現的單元鉸接以及「棋盤格」等現象,研究了連續體結構拓撲優化過程的拓撲分析方法,以及在計機上現的簡便演法.根據代拓撲理論,單元及連續體的邊界作為1 -復形進行.利用圖論中的鄰接向量概念,在計機上現了結構的拓撲描述及拓撲,得到了結構在拓撲演化過程中的拓撲特性,方法簡單、可靠.在一定的拓撲約束下,根據應力分析結果,採用刪除單元、單元退化、移動節點等方法,可以用較少單元得到更為滿意的結果,提高計效率.為演示方法的有效性,給出幾個包括見經典問題的解答
  12. Nc machining requires " interpolation " algorithms that accurately and efficiently generate sequences of reference position, distributed according to a prescribed feedrate function, along the tool paths. this paper present a systematic derivation of the proper taylor series coefficients for variable feedrate interpolators. when the path is ph curves, detailed formulations for instances are presented where the feedrate v is specified as a constant, the function of the time t, the arc length s and the local curvature k

    對于nc加工要求插值演法沿著刀具路徑準確、有效的生成參考點序列(根據預先指定的速率函進行分佈)的際工程需要,本文系統地推導了變速率插值元的泰勒系,給出了當路徑為ph曲線,速率v為,及時間t 、弧長s 、曲率k的函時具體的插值元。
  13. This paper involves the refrigeration principle and technology, the thermodynamics principle, the exergy analyses principle and its applications, the sensor principle and its applications, the microcomputer testing technique, the auxiliary engine of the ship etc. at the same time, to realize the measuring of cold store running parameters so that the main equipment of this system can run safely and reliably, measuring points are disposed at inlet and outlet of main devices, and computer detecting technology is used to measure the real time data at every point

    內容涉及到製冷原理與技術,熱力學原理,火用分析原理及應用,傳感器原理與應用,微型計機檢測技術,船舶輔機等諸多方面的知識。同時,為了現對冷庫系統行參的全程檢測,以利於系統主要設備的安全可靠行。在系統的主要設備進出口均布置了測量點,同時利用計機檢測技術對各測量點據進行在線檢測,檢測軟體是基於魯班組態軟體平臺而開發的,可以時動態顯示檢測據及據的趨勢圖,還可以完整保存歷史據,以利於分析系統行工況,進一步制定改進措施。
  14. Those compressions algorithms are suited to implementation by hardware and have good realtime quality because they do n ' t have multiplication and division operation. those algorithms can achieve c ompression ration over 10 to 1 at the same time of keeping all the important detecting correlative data by using lossless method to compress important data and using lossy method to compress insignificant data

    壓縮演法中不使用乘除法,非適合於硬體現並具有很好的時性;通過對重要據和非重要據分別進行無損壓縮和有損壓縮,演法在保留所有檢測相關據的基礎上可以達到10 : 1以上的壓縮比。
  15. To analyze conveniently, analysis personnel regularity need to make the operation of background color filling, anode 、 cathode filling, gradual change filling of anode and cathode to eliminate burr phenomena and mosaic phenomena during the filling process. earthquake interpret deal with a lot of data, a mass of proportion operation, coordinate conversion and coordinate mapping must be dong in the plot process, it may frequently appears the phenomena of memory deficiency, graphics refurbish in low speed, graphics overlap and twinkle, so it make use of the technique of memory mapping document, memory dc plotting and local plotting twice and so on to implement quickly and top - quality plotting of lots of gigantic graphics and implement continuous and rolling display

    分析人員為了方便分析,也經需要把波形進行底圖彩色填充,正級、負級填充,正負極的彩色漸變填充,並消除在填充過程中出現的毛刺現象、馬賽克現象。因地震解釋所涉及的據量很大,在繪圖過程中要進行大量的比例、坐標轉換及坐標映射等,就會經出現內存不足、圖形刷新速度過慢、圖形重疊和閃爍等現象,所以需要採用內存映射文件、內存dc繪圖、局部重繪等技術,現大據量巨幅圖形的快速度、高質量繪制以及圖形的連續滾動顯示。
  16. Several generally - accepted ways are introduced, which involve blurred evaluation way, integrated evaluation way ( including main ingredients analysis way, grey main ingredients analysis way and grey level - related way ) and level analysis way ( also called ahp way ). by applying these ways into the evaluation of technology innovation, the evaluation models are correspondingly constructed, specific data collected are analyzed and the matching results are analyzed

    首先介紹了模糊評價法、綜合評價法(包括主成分分析法、灰色主成分分析法、灰色層次關聯法) ,層次分析法(也稱ahp法)等幾種見的評價方法,並用於技術創新的評價,建立了相應的技術創新的評價模型,而且搜集具體據進行證分析,通過得出了相應的結果,並對評價結果進行了分析。
  17. Matrix and vector template classes are defined based upon object - oriented technology ( oot ). the conventional computation among matrix, vector and number is realized by overriding operators. according to the property of matrix, the scanty reserve way of object data is used, and the computation between matrixes with different reserve way is realized. the template classes is versatile, the program codes can be effectively reused, maintained and extended

    基於面向對象技術定義了矩陣和矢量兩種模板類,利用符重載現了矩陣、矢量和之間的,對于具有不同特性的矩陣,採用了節省的貯存方式,並現了不同貯存方式下矩陣相互之間的計,表明所建立的模板類具有通用性,所開發的代碼可重復利用率高,而且易於維護和擴充。
  18. The system is compatible with the various different types a / d converters, carry out the functions of the vibration signal sampling, the saving of data file, the timely wave showing, the configuration table edit, the former data return and data analysis etc. the functions of signal analysis include the time field statistics analysis, the time field mutual analyzing, the frequency spectrum analyzing, the relevant analysis, the transmission function analysis, the demodulating analysis, and the short fourier transformation of the time and frequency field etc. experiments verify that the system carry out stably and credibility, various functions is achieved, has precise analyzing results, high calculating speed and high precision, the expected targets have been reached

    該系統可以兼容多種不同型號的據採集設備,現了振動信號的採集、據文件的存儲、波形的時顯示、組態表編輯、歷史據回放與據分析等功能。系統的信號分析功能包括時域統計分析、時域相關分析、頻譜分析、相干分析、傳遞函分析、解調分析以及時頻分析中的短時傅立葉變換等。經試驗驗證表明,系統行穩定可靠,各項功能工作正據分析結果準確、速度快、精度高,達到了預期設計目的。
  19. In chapter three, the thesis gives a comprehensive analysis to the real - time problem of data acquisition under multitask operating system, the influence of data acquisition speed on the acquired data, and the communication between ipc and waveform generator are analyzed respectively in detail

    第三章介紹了計據採集的用方法,分析了windows操作系統的行機制給據採集造成的困難。經過充分調查,分析比較了各種解決途徑,根據際的硬體系統提出了解決據採集時性的方案。
  20. It includes parallel architectures, parallel software and parallel algorithm, etc. because the number of data in image processing is very huge, and the existence of convolution operation and matrix multiplication, it is possible that parallel algorithm design and implement can be used in image processing

    并行處理技術領域非廣泛,包括并行體系結構、并行軟體和并行演法等。由於圖像處理過程中的據量巨大,而且各種演法中大量卷積和矩陣乘法的存在,就為圖像處理過程中的并行演法設計和現提供了可能。
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