算術路 的英文怎麼說
中文拼音 [suànshùlù]
算術路
英文
circuitry arithmetic-
First, computers have circuits for performing arithmetic operations, such as : addition, subtraction, division, multiplication and exponentiation
第一，計算機具有進行加、減、乘、除及取冪等各種算術運算的電路。In this paper, the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error, the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range, and is very expensive. 2 ) two important approaches in geophysical navigation techniques are summarized, one is terrain contour based navigation, this approach is investigated keystone today ; the other is image based navigation, due to no perfect image sensors and image seabed map, this approach has seldom been practised. 3 ) two important terrain contour based navigation algorithms has been applied to auv, one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan )
主要研究內容包括：一、總結分析了當前水下導航的常用方法和不足之處，指出基於航位推算的導航方法，存在著最大的問題就是導航誤差的積累問題，如果沒有修正系統，這種方法很難滿足使用要求；其次指出基於聲學的導航方法，造價昂貴，導航范圍有限，難以滿足自主水下航行器大范圍導航的需求；二、總結了當前水下地形輔助導航的主要技術路線，一是基於地形高程的匹配方法，這是當前研究的重點；二是基於地形圖像的匹配方法，由於缺乏良好的圖像傳感器，和可用的海底圖像地圖，目前這種方法還有待研究發展；三、將兩種地形高程匹配的常用方法應用到自主水下航行器上：以相關演算法為前提的地形輪廓匹配（ tercom ）方法和以卡爾曼濾波為基礎的桑迪亞慣性地形輔助導航（ sitan ）方法，前者演算法簡單可靠，但是導航精度不高，後者雖然精度比較高，但存在著演算法較為復雜、有可能發散和出現奇異值等問題。Chapter one foreword is to introduce subject source, research object, meaning, domestic and international development trends, the study way and technological route, etc. ; chapter two theory part is to recommend public financial theory, the budget theory of government, the appraisal theory of government performance, etc. ; chapter three gives a full explanation which project should be regarded as the project appropriation budget for maritime affairs ; chapter four includes two respect contents of the project appropriation budget of maritime affairs : to verify and to manage the project appropriation budget in an order ; chapter five is a study to the appraisal method of the project appropriation budget of unit of maritime affairs, structuring the mode of two delphi and giving an example to the equipment purchase project ; the last chapter has summarized the questions that should be paid attention to while appraising the appropriation budget of the project, and probed int o the development trend of appropriation budget of project
第1章引言，主要介紹課題來源、研究對象、意義、國內外發展動態、研究方式及技術路線等；第2章理論部分，介紹公共財政理論、政府預算理論、政府績效評價理論等；第3章詳細說明了海事單位哪些可以作為項目支出預算；第4章海事單位項目支出預算入庫管理包括兩方面內容：入庫審核和排序；第5章海事單位項目支出預算評價方法研究，構建了兩次專家調查法模式，結合設備購置項目加以說明；最後一章總結了在項目支出預算評價中應注意的問題，並探討了項目支出預算工作的發展趨勢。Guided by the theory of sequence stratigraphy and petroleum system using cores, lithologic log or well - logging, biostratigraphic and seismic data, adopting seismic inversion constrained to well data, digital analysis technology, basin modeling, test method and so on, and adopting an integrated study technology, aiming at lower exploration in chagan depression, this work put forward a new research thoughtfulness, technic flow and method system that is an integrated study by " looked upon sequence stratigraphy as a base, looked upon petroleum system as a integer, combing with each other closely " and tie in qualitative analysis and quantitative analysis and applied synthetically new theory, new technology and new method
以層序地層理論和含油氣系統思想為指導，利用巖心、鉆/測井、古生物以及地震資料，採用井約束下的地震資料反演技術、計算機技術、盆地模擬技術和各種分析實驗手段等綜合分析方法，針對查干凹陷勘探程度低的特點，提出了斷陷盆地「以層序地層分析為基礎、含油氣系統為整體（系統）和二者緊密結合」以及定性與定量相結合，綜合應用新理論、新技術和新方法的研究思路、技術路線和方法體系。Crossover is implemented using arithmetic crossover operator. then unsymmetrical mutation is conducted using the new mutation operator which can expand the scope of chromosome gene value, at the same time, the chromosome with the highest fitness values are retained for each iteration. a lot of experiments are implemented to obtain the optimized initial weighs and bias
生成了三維矩陣表示的染色體，進行了聯賽選擇，利用算術交叉運算元進行了交叉運算，利用構造的新的變異運算元，進行了非均勻變異，同時保留了每次進化運算后最優的適應值，通過大量實驗，實現了遺傳演算法優化bp網路的初始權值和閾值的目的。The results of research reveals the variation disciplinarian and the affected factor, defines the factor limiting the urban regional development. all these offer scientific references for reasonable city planning, municipal building project planning, reasonable arrangement of land use, the confirmation of land use intensity and the improving land use benefit. and a series of methods we have explored can apply the practical manipulation of grading and assessing urban land, which contribute to enhance working efficiency, shorten the time of evaluation, enhance the updating of urban land price, establish a system of dynamic superviso ry control and examination, and enhance accuracy and objectivity of urban land - rated evaluation
再由球形檢驗和主成份分析、信度分析、多元回歸分析的技術路線，逐層遞深地解譯影響城市地價的主要因素及相互數量關系，其研究結果揭示了城市地價的變化規律和影響因素、明確了限制城市區域發展的因素，為合理的城市規劃，市政建設項目規劃，合理安排土地用途，確定土地利用強度，提高土地利用效益等提供了科學依據，同時探索的系列化方法可直接應用於城市定級估價的實際操作中，有利於提高工作效率，縮短估價時間，提高城市地價的現勢性，建立地價動態監控和測算系統，又可提高城市定級估價的準確度和客觀性，在理論上、學術和實踐上均有積極意義。Purpose : to demonstrate the value of multi detector computed tomography ( mdct ) and magnetic resonance imaging ( mri ) in the preoperative work up of temporal bone tumors and to present, especially, ct and mr image fusion for surgical planning and performance in computer assisted navigated neurosurgery of temporal bone tumors
目的論證多探頭計算機斷層掃描（ mdct ）和核磁共振成像（ mri ）在顳骨腫瘤手術前設計的價值，尤其是顳骨腫瘤計算機輔助導航神經外科手術路徑的設計。The research topics about qos range from routing, multicast, implement models to qos signaling, protocol, and so on
方案涉及qos上的業務量分類、調度演算法、鏈路技術、路由協議、信令方法、計費和授權方式等多種機制。In chapter 4 we discuss the design of the high speed and high performance vlsi and its imp1ementation, firstly we ana1yze and compare the features and ru1es of al1 kinds of fft algorithm, adopt complex radix 4 butterfly calcu1ation as basic alu, then discuss all kinds of process architectures, the design thoughts, rule, method, technique way, the characteristics of the design are r4 dit algorithm, pingpong ram design method and pipeline structure between stages. we also analyze the limited word length effect and the method to avoid overflow of the fixed points fft process, bring out the expandable platform mode
第四章主要討論了高速高性能的快速傅立葉變換處理器的設計和實現，首先分析和比較了各種快速傅立葉變換演算法的特性和規律，提出基4蝶算的演算法具有最好的性價比，討論了順序、級聯、并行和陣列的處理結構，闡述了設計高速高性能快速傅立葉變換處理器時的設計原則、設計思路、所採用的技術路線，驗證並測試fft處理器，分析了定點fft處理過程由於有限字長效應所產生的量化誤差的范圍及防溢出控制辦法，提出了可擴展平臺模式。The proposed 64 bits high performance alu is optimized at algorithm level, logic level, circuit level and layout level, and is implemented in 0. 18 m cmos process. furthermore, the testing technique of the alu is discussed. this thesis mainly contributes to the following aspect : 1
文章從部件的演算法、邏輯結構、電路參數、物理版圖等多個層次進行設計優化，在0 . 18 mcmos工藝下實現了一款64位高性能算術邏輯部件，並對該部件的測試方法進行研究。Using “ logical effort ” method to analyze the circuit ’ s critical path, and choose the optimized size of transistors in theory by this method. then, using sta technique simulates and analyzes the circuit to optimize transistors size further, and the circuit optimization arithmetic based on sta is gained. results proved that the optimization strategy of combining theory and practice have better effect
結果證明，這種理論與實際結合的優化策略具有較好的效果;三、典型條件下，所實現版圖關鍵路徑延時1 . 38ns ，平均功耗45 . 3mw ，版圖面積0 . 05112mm2 ，達到了較小的延時、功耗和面積;四、針對所設計的算術邏輯部件，研究了一種獨特的內建自測試方法，只需較少的測試向量就可實現該部件100 %的故障覆蓋率，具有很高的效率和較低的代價。Neural networks are used more frequently in lossy data coding than in general lossless data coding, because standard neural networks must be trained off - line and they are too slow to be practical. in this thesis, statistical language model based on maximum entropy and neural networks are discussed particularly. then, an arithmetic coding algorithm based on maximum entropy and neural networks are proposed in this thesis
傳統的人工神經網路數據編碼演算法需要離線訓練且編碼速度慢，因此通常多用於專用有損編碼領域如聲音、圖像編碼等，在無損數據編碼領域應用較少，針對這種現狀，本文詳細地研究了最大熵統計語言模型和神經網路演算法各自的特點，在此基礎上提出了一種基於神經網路和最大熵原理的算術編碼方法，這是一種自適應的可在線學習的演算法，並具有精簡的網路結構。At the same time, some up - to - date knowledge which get with to the development of society should be increased. thirdly, not only the structure system should be integrated into a unified science, but also the present of the content should focus on guiding students to find and explore problems with the help of computer. the teaching materials will introduce multimedia, three - dimensional and networked form
與此相適應，中學數學教學內容的呈現方式也要發生變化：在內容結構體繫上，要打破傳統的算術、代數、幾何、三角分科的設置體系，進行整體性處理，將其統一綜合為一門科學，並藉助計算機等技術的作用把重點放在指導學生發現問題和探索問題上，而數學教材也要採用多媒體化、立體化、網路化的形式。In the course of design, we fully consider the actual conditions on the railway and take a series of corresponding measures to the concrete problem. such as we select high - accuracy microconvertor and have the converted function in succession data collecting system chip aduc812, design v / f circuit and external a / d circuit. in anti - interference of the hardware, we try to disperse each function module to avoid interfering each other, adopt photoelectric isolated technology to dispel the circuit connection of input and output. in controlling we import arithmetic mean into strain wave algorithm and real computing technology of virtual value for sample treatment of data, that is using the software to smooth away interfere error and to calculate actual value, thus it makes the precision of the data improve greatly
在設計過程中，根據系統要求，充分考慮鐵路上的實際情況，針對具體問題採取了一系列的相應措施，如在器件選擇方面選用高精度microconvertor系列、具有adcdma連續轉換功能的數據採集微控制器晶元aduc812 ，設計了v f變換電路和外部a d轉換電路；在硬體抗干擾方面，將每個功能模塊盡量分散獨立開來以避免相互干擾、採用光電隔離技術消除輸入輸出通道上的電路聯系；在控制方面對于采樣數據的處理引入了算術平均值濾波演算法和真有效值的計算方法，即通過使用軟體來濾除系統中有干擾造成的誤差並計算真值，從而使數據的準確性得到極大地提高。The math model built into the distribution reliability management system of daqing oil field power system is clear, and the relation among each factor is explicit. this dissertation resolves the questions, which the calculation speediness and the node capability, and breaks through the number limitation of load - points and lines, by making use of special model method and new - found calculation thought. so it is an object - oriented computer management system, and is also a signification attempt in research of distribution system reliability assessment
大慶油田電網可靠性管理系統所建立的數學模型清晰，各相關因素關系清楚，獨特的建模方法和全新的計算思路，突破了負荷節點數和線路條數的限制，解決了節點容量和運算速度等技術難題，是一個面向工程應用的計算機管理系統，是配電系統可靠性評估領域一個有意義的嘗試。The technical line of the thesis is as follows : formula of quantity of fuel injection is got by studying relation of quantity of fuel injection and needle valve lift, time of fuel injection, rotation speed and pressure, and quantity of fuel injection is displayed
本課題研究的技術路線為:通過研究噴油量與針閥升程、噴油時間、主軸轉速、噴油壓力等的關系，推導出精確的噴油量計算公式，最終由顯示器顯示噴油量。Thirdly, we discuss the pricing method of asian option in the model, removing the path dependency by a portfolio and using the changes of numeraire techniques
通過構造復制策略將路徑依賴期權轉化為非路徑依賴期權的求解問題，並結合記帳單位的選擇，得到算術亞式期權定價的方法Finally an integral software module for cam mechanism contact pressure analysis is developed in ansys. this work has formed an integrated technical route from geometrical design to tribological design. it may contribute to the theories of wear design and arithmetic, and can be used for reference to the cam - follower tribological design
本文的工作形成了從凸輪幾何設計到摩擦學設計的一條完整的技術路線，已經可以基本作為內燃機凸輪機構摩擦學設計軟體系統的雛形，今後可以在此基礎上開發凸輪機構設計的專家系統軟體；本文還在完善工程磨損設計理論和計算方法方面有所貢獻，可以為凸輪機構的實用摩擦學設計提供參考和借鑒。According to the design theory of the cable - stayed bridge and to the feature of the cantilever construction the authors propose a construction control method called optimum completion state method ( ocsm ) for rc cable - stayed bridges in the proposed method, the optimum completion state is regarded as the final target of the construction control, and the optimum construction state at each construction stage is taken as the technical route the key of the method is to properly choose or adjust the cable forces the objectives function of optimization is to minimize the elevation error of the girder under the constraint condition that the internal forces ( bending moments ) of the girder are bounded the optimization variables are the cable forces on the basis of the above principles, a optimum model for a construction step is established and cable force adjustments can be found for each construction step in this model, the creep and shrinkage effects of concrete have been considered a bridge example is given which shows that the final state of the bridge is very close to the design aim and that this method is much better than the so - called double - control method the example is a good illustration of the soundness and practical value of the proposed method
根據現代斜拉橋結構設計理論和懸臂施工方法的特點，提出了以最佳成橋狀態作為施工控制的最終目標，以實施最佳施工階段為技術路線，以索力調整為核心內容的斜拉橋施工控制理論，簡稱為最佳成橋狀態法；以斜拉橋主梁標高誤差最小為目標函數，以主梁內力（彎矩）為約束條件，以索力為優化變量，建立了最佳施工階段的索力調整計算模型；推導了考慮徐變收縮效應的索力調整計算公式；用最佳成橋狀態法對一實橋工程進行了施工控制全過程計算研究，得到的成橋狀態與設計目標相當接近，優于該橋以「雙控」為控制目標的實測結果，有力地證明了本文方法的正確性及其工程實際價值Floating - point unit is a special microprocessor circuitry unit that deals with floating - point arithmetic operations, which is widely used in scientific arithmetic, cpu, dsp ( digital signal processing ) and image processing, the thesis discusses how to implement high - performance floating - point processing unit based on the research of its implementation algorithm and its implementation structure
浮點運算單元（ fpu ）是處理器中專門進行浮點算術運算的電路單元，廣泛應用在科學計算、 cpu 、 dsp和圖象處理。論文從浮點運算單元的實現演算法和結構的研究出發，討論如何實現高性能浮點運算單元。分享友人