arithmetic software 中文意思是什麼

arithmetic software 解釋
運算軟體
  • arithmetic : n. 1. 算術,演算法;計算。2. 算術書。
  • software : (電腦的)軟體,軟設備;程序設備;語言設備;程度系統;設計電腦方法;計算程序;程序編排手段;方案;資料圖紙;【航空】軟體〈指乘員、載重及燃料等,不包括機械硬體設備〉。
  1. This paper mainly aims at the characteristics of the hardware and software structure of the parallel computer on satellite, and has fulfilled researches of fault tolerant technique in three aspects of control theories and engineering : the first research of the system level fault - tolerant module is based on the system structure of the parallel computer on satellite, a kind of cold backup module and a kind of hot backup module for multiprocessor computer have been put forward. then the research of software fault tolerant technique which is based on the operate system named rtems has been carried, the mission level fault - tolerate arithmetic and the system level fault - tolerate mechanism and strategies based on the check point technique have been put forward, at the same time the self - repair technique of software which has used the technique of system re - inject has been studied. finally the technique of components level fault - tolerant based on fpga has been studied, a kind of two level fault - tolerant project which aims at the fault - tolerant module of the parallel computer on satellite has been put forward, and the augmentative of circuit that project design realization need is little, this project can avoid any breakdown of any part logic circuit of the fpga

    本課題主要針對星載并行計算機體系結構及軟體結構的特點,從如下三個方面進行了容錯控制理論研究和實踐工作:首先進行了基於星載多cpu并行計算機體系結構的系統級容錯模型研究,提出了一種多cpu冷備份容錯模型和一種多cpu熱備份容錯模型;然後進行了基於rtems操作系統的軟體容錯技術研究,提出了任務級容錯調度演算法以及基於檢查點技術的系統級容錯恢復機制和策略,同時研究了利用系統重注入進行軟體在線自修復的容錯技術;最後研究了基於fpga的部件級容錯技術,提出了對容錯模塊這一星載并行計算機關鍵部件的兩級容錯方案,實現該方案所需增加的電路少,可避免板級晶元以及fpga晶元內部任何邏輯發生單點故障。
  2. Sixties primers were used for dna amplification and a total of 237 amplification products range from 450bp to 2500bp were generated. a similarity matrix for all pairwise comparisons was calculated using nei and li ' s formula and then transformed to distance matrix. dendrograms were constructed by applying unweighted pair - group arithmetic average ( upgma ) and neighboring - jointing cluster analyses using the phylip software

    在第二部分,應用改進的ctab法提取了石蓴屬和滸苔屬各3個種及作為對照的剛毛藻的基因組dna , 60個引物被用於擴增,共獲得237個片段大小在450 - 2500bp之間的擴增片段,依據nei和li ( 1979 )的公式計算出樣品成對比較的相似性距陣並換算成遺傳距離,應用phylip軟體包,按照upgma法和n - j法分別構建聚類圖。
  3. Due to the hardware characteristic ' s limitation, such as the poor speed of a / d, d / a conversion and dsp process, the most part of sr system adopt middle course. that is to say, by using the special digital converter or running relevant arithmetic, it converts the radio signal to intermediate frequency signal and completes the base - band signal process that is n ' t the veriest sr and is named " software defined radio ( sdr ) "

    由於受到硬體性能如a d 、 d a及dsp晶元處理速度的限制,目前的軟體無線電系統多採用折中的實現方案,增加專用的數字變頻器或者運行數字變頻演算法,將射頻信號變頻到中頻,然後再進行基帶信號處理,這樣的軟體無線電系統又被稱之為「軟體定義無線電」 ,它並不是真正意義上的軟體無線電。
  4. In this paper, a lot of researches and exploration are applied to studying the universality and expansibility of hardware and the arithmetic design and code optimization of software. especially, all of the following arithmetics or conceptions are worked out in the research of software design : self - adaptable compression arithmetic based on dictionary model for data collection system, similarity full binary sort tree, a optimized quick search arithmetic and an improved arithmetic of multiplication in the floating - point operation. and all of the arithmetic are designed with mcs - 51 assembly language. the quick search arithmetic, in which merits of both binary search and sequence search are used fully, are based on the specialty of preorder traversal in similarity full binary sort tree

    特別在軟體設計研究中,提出了適用於數據採集系統的數據壓縮演算法? ?基於字典模型的自適應壓縮演算法;提出了類滿二叉排序樹的定義;提出了基於類滿二叉排序樹的先序遍歷特性的最優化快速查找演算法,它充分利用了折半查找和順序查找各自的優點;提出了浮點運算乘法的改進演算法;並在mcs - 51匯編語言層次上對所有的演算法加以實現。
  5. As for the feature of mandarin digit speech, the existing arithmetic is cited to design the software system, and the design process is described in the part. here, the shore - time ^ relative efp ( energy - frequency - product ) is used to make the capsheaf of chinese speech signal, and the short - time relative efq ( energy - frequency - quotient ) is used to separate its syllable and consonant - vowel segment, and it improves the correct rate

    本文採用的漢語語音的端點信號的檢測和清濁音信號切分方法是:短時相對能頻積的方法對漢語語音信號的端點進行檢測;短時相對能頻比的方法對語音信號的清濁音進行切分,提高漢語語音信號切分的成功率。
  6. This thesis gives a brief account of the basic theories of software engineering and computer graphics, of the data structure of individual component modeling, of the design of the software structure and of the method of realizing software. meanwhile, this thesis put more emphasis on the exploration of the arithmetic of the delaunay triangle network, nurbs curve integration, the filling - in arithmetic of triple - tree, and the arithmetic based on the scan - line arithmetic and the filling - in of complex section

    文章介紹了關于軟體工程學與計算機圖形學的基本理論及其各組件模型的數據結構、軟體結構設計與軟體實現的技術方法,並重點討論了基於約束條件的delaunay三角網格化演算法、 nurbs (非均勻有理b樣條)曲面擬合、三叉樹等值線填充演算法和基於掃描線的復雜剖面填充演算法。
  7. The designs of the software and hardware of the constant temperature and humidity controling box and the pid control arithmetic are primarily discussed in the paper

    本文主要論述了恆溫、恆濕控制箱的軟、硬體設計及pid控制演算法。
  8. After that, it gives the measures of designing dsp ' s assembler as a part of the dsp ' s software development environment together with the c - compiler. moreover, this paper explores the method of design the floating - point arithmetic unit. referring to the ieee754 - 1985 standard for binary floating - point arithmetic, the algorithm and the behavior description of floating - point adder and multiplier is given, and the simulation and verification is shown at the end of this paper

    此外,本文還對處理器的浮點運算單元設計做了初步的研究,以ansi ieee - 754浮點數二進制標準為參考,借鑒了經典的定點加法器和乘法器的設計,嘗試性的給出了浮點加法單元和乘法單元的實現模型和行為級上的硬體描述,並對其進行模擬和驗證。
  9. These years people are trying to apply control arithmetic more advanced, such as adaptive control, fuzzy control and expert systerm etc, so we decided to design a hardwar & software bench which can be used to test these control arithmetic, it can simply but independently contrl the process of al electrolysis, and also can control the process according to the better arithmetic which is inputted by users

    近年來人們又在嘗試採用更先進的控制演算法(比如自適應控制,模糊控制,專家系統等) ,因此我們設計了用於試驗控制演算法的軟硬體平臺,它既可以獨立地對電解槽作簡單的控制,也可以按照用戶輸入的控制演算法進行更加優化的控制。
  10. The digital inverter amplifier is controlled by the dsp chip tms320fl240. the high performance of digital voltage and current control loops and the improved digital pi control arithmetic based on the current prediction techniques is achieved in the software. and the dead - time of inverter also is compensated

    系統中逆變器的控制採用tms320fl240晶元來實現,在軟體中實現了電壓電流的雙環控制,提出並在逆變中應用了電流預估計的pi控制演算法,並對控制死區進行了補償。
  11. In hardware, we choose anti - disturbance photoelectric isolative sensor, take rc filter to resolve high - frequency for anti - disturbance. in software, we adopt arithmetic of recursion mean value to collective signal values to resolve low - frequency ac and pinnacle pulse disturbance

    在硬體方面,選用抗干擾能力強的光電隔離電量傳感器,並採取rc濾波抗干擾措施解決中高頻干擾問題;在軟體方面,對採集到的信號量採取遞推平均值演算法,解決低頻交流和尖峰脈沖干擾問題。
  12. The mpeg - 4 standard and decoding arithmetic are introduced in this paper. the new mpeg - 4 software decoding based on the java media framework is put forward and implemented to enhance the cross - platform and transplant performance of mpeg - 4

    本文介紹了mpeg - 4標準以及解碼演算法的概述,針對目前mpeg - 4解碼的跨平臺性,可移植性,提出並實現了基於jmf的軟解碼。
  13. This paper researches the non - direct - grounded system fault detection from software arithmetic view, whose main content is as follows : the paper analyses the system running characters before and after fault. and the paper analyses the fault transient signal and fault steady signal and all parts in fault steady signal after the single line - to - earth fault occurs, and discovers the fault laws and appearance of fault signal. the analyzing of the fault laws and fault phenomenon of non - direct - grounded system all above is the base of analyzing arithmetic

    本文針對小電流接地系統選線的問題,從軟體演算法的角度進行了研究,主要內容如下:對小電流接地系統故障前和故障后系統的運行特點進行了分析,並且對小電流接地系統發生單相接地故障后,故障暫態信號、故障穩態信號以及故障穩態信號的各種成分進行了深入的分析,找到了故障的規律以及其故障信號的表現形式,為對各種演算法的分析比較打下了基礎。
  14. First this thesis discusses the development of the virtual instrument, and the method of developing the real time software ; then designs a interrupted virtual driver, deduces and programs the realtime arithmetic of wanderazimuth strapdown inertial navigation, develops strapdown inertial navigation realtime software based virtual instrument with object - oriented programming language. the software is able to display multi navigation parameter and is able to be added the extensible function

    論文討論了虛擬儀器技術的發展與現狀,研究了windows98平臺下實時性軟體的設計方法,設計了基於硬體的中斷虛擬驅動程序,推導和編程實現了游移方位坐標系捷聯式慣性導航系統計算機實時導航演算法,利用面向對象的可視化開發語言開發出基於虛擬儀器的捷聯式慣性導航實時軟體。該軟體能夠顯示多個慣性導航參數,具有故障報警顯示功能,根據需要可以增加新的顯示功能。
  15. Firstly, the circumstances of focimeter, the working principle of automatic focimeter, the mcu arm and the picture sensor are introduced in this paper. and then based on the optical principle of the automatic focimeter, the research on the optical arithmetic of lens ’ parameters and the arithmetic on the picture point are presented. and after that, the design of the whole system, the design of the optical system, the design of the mechanical system and the design of the electrical system are discussed. and then the design of the hardware system and the design of the software system are emphatically discussed

    本文首先介紹了焦度計的概況、自動焦度計的工作原理、 arm單片機及圖像傳感器;然後結合自動焦度計的工作原理,對焦度計中一些光學參數的演算法以及中心像點的位置檢測演算法進行了研究和討論;接著介紹了總體方案的設計、光路系統的設計、機械繫統的設計以及電氣系統的設計;接下來重點討論了硬體和軟體的設計。
  16. We have successfully designed an experiment system for the no invasion blood pressure measurement with our own ip. in our research and develop task we have done a lot work to study foreign instrumen and design ideas. this experiment system is based on msp430 series mpu with excellent erformance and applies advanced digital signal process and intelligent technology. in hardware design, the following means were applied : after a lot of experment and fully knowing about the characteristic of the pulse wave signal, we have designed the accurate and credible circuit to collect the pulse wave signal ; power circuit, communicaion circuit, power drivers circuit have been disigned for the instrument. in software design, the following arithmetic were applied : 1

    軟體方面進行了以下演算法研究: 1 .綜合試驗各種數字信號處理方法對波形進行平滑處理: 2 .採用lms自適應方法對脈搏波信號進行了降噪處理; 3 .應用微分閉值法提高了脈搏波信號的檢出率,有效識別了運動干擾引起的偽波信號; 4 .利用測振法基本原理並進行大量實驗的基礎上,提出了比較準確可行的收縮壓和舒張壓的識別演算法,使測振法在本無創血壓儀中得到了完整而充分的應用。
  17. This digital amplifier made up of a digital inverter can implement the sine voltage signal ' s power amplifying based on the digital signal processor. with the high processing ability of dsp, the advanced digital control arithmetic can be realized in the software. also the feasible and effective technique for the time delay compensation of digital control can be achieved

    該放大系統用數字化逆變器來實現電力系統正弦電壓信號功率的放大,利用dsp數字處理器高速的處理能力,可以使系統實現高性能的演算法控制,並且能靈活地對系統的誤差進行補償,從而實現逆變系統的高性能和高精度,為解決電力系統電容式互感器二次側帶負載能力弱的問題進行了有意義的研究。
  18. Dissertation explains the theory and characteristices of switched reluctance motor based on its idealy linear math mode. analyseing and researching on control characteristic, control parameters, control strategy and their relationship, thesis designed hardware circuit and software of control system based on the strategy. dissertation discussed the transform function of system and illustrates it is essential to chang parameters in the pid control arithmetic, estimating parameters for the digital pid controller primarily, dissertation also researched on the exciting and protection of igbt

    論文以開關磁阻電動機的理想線性數學模型為理論基礎,對其原理特性進行了說明,對開關磁阻電動機的控制特性(轉速、轉矩) 、可控參數(導通角、關斷角、相電流、繞組端電壓)與控制策略(電流斬波、電壓斬波、角度位置控制等)及它們之間的關系進行了研究和分析。
  19. In this thesis, arithmetic of simple fire control system is presented to achieve the task of infantry chariot weapon system and is simulated. fire control software of the prototype machine is designed, programmed and tested at last. the thesis includes the following important aspects : ( l ) shoot table is fitted in multinomial function

    本論文是根據步兵戰車武器系統的設計任務要求,實現步兵戰車簡易火控系統的演算法,然後編寫火控模擬軟體,最後參與樣機火控軟體設計、編寫和調試。它包括以下幾個重要方面: ( 1 )對射表進行多項式擬合,並對擬合結果進行模擬分析得到合理結論。
  20. This thesis researches hardware and arithmetic software scheme of an embedded controller system, which can control four charge / discharge devices and operate in distributed architecture

    本文研究一種具有多迴路、嵌入式特點的蓄電池化成充放電控制器的硬體實現方案和軟體控制演算法。
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