計數型加法器 的英文怎麼說
中文拼音 [jìshǔxíngjiāfǎqì]
計數型加法器
英文
counter type adder- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 數 : 數副詞(屢次) frequently; repeatedly
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 計數 : count; tally; counting計數卡 numbered card
- 法器 : [宗教] musical instruments used in a buddhist or taoist mass
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Firstly, second harmonic component ratio and dead angles of two phase inrush ' s dispersion in three - phase transformes are acted as input variable. secondly, the method applies improved algorithm based on the original algorithm of multi - layer forward back propagation network, that is to say, adding last variational effect of weight value and bias value to this time and making use of variable learning rate. at the same time, this method also adopts dynamic form in the number of hidden floor node
首先,文中將三相變壓器兩相涌流差流的二次諧波含量比和間斷角作為網路的輸入變量;其次,利用對原有bp網路訓練演算法基礎上的改進型演算法(即在計算本次權值和閾值的變化時增加上一次權值和閾值變化的影響以及採用變學習率,與此同時隱含層神經元個數採用動態形式) ,通過樣本訓練使網路結構模型達到最優。On the other side, we use the method of optical formation process to introduce two fundamental filtering function in frequency domain of coherence system of awg two optical processors are designed, that is optical signal add / minus and phase filter
另一方面,運用光學信息處理方法,我們探討了awg型相干系統頻譜區兩類基本的濾波函數的引入,設計了兩種光信號處理器:光信號加減器以及位相,濾波器。We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions
通過理論和試驗探討,選用鎳鉻合金電阻絲作為加熱元件,配以陶瓷質埋入式爐膛;選用陶瓷質小尺寸扁平?圓盤均熱塊體型樣品支持器;選用0 . 5mm絲徑鎳鉻?鎳硅熱電偶( k )作為測溫元件;熱電偶對稱安置在樣品支持器容器的中部;選用硅酸鋁耐火纖維作保溫材料;合理選用和設計了溫度控制器、溫度變送器、信號放大電路等硬體;採用升溫曲線來控制爐膛供熱過程;採用最小二乘法非線性回歸與分段函數相結合的曲線模擬方法,進行圖形處理。The numerical and experimental results of this y - branch structure indicate that the proposed y - branch structure, without extra fabrication technologies, has a lower excess loss as compared with the conventional ones. optimal designs of the structural parameters for the multimode interference coupler are carried out. low loss and high uniformity of the multimode interference couplers are achieved when the waveguide is weakly guiding
研究了y分支耦合器中分支頂端間距(為工藝製作方便)帶來的附加損耗,提出了低損耗新型y分支耦合器結構,並給出了相關結構參數的優化設計方法,我們的理論計算和實驗測試結果均表明,該新型結構可以在常規光波導製作工藝下提高器件的指標。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。This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and
本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是:根據光學玻璃的物理與化學性能,選擇輕型鏡坯材料;用有限元法對鏡子的變形進行分析、計算,找出變形規律,優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構;分析玻璃切削原理,設計專用磨輪結構,選擇合理工藝技術參數,完成400mm平面鏡輕量化減重孔的加工;分析氫氟酸腐蝕光學玻璃機理,尋找最佳酸濃度、腐蝕作用時間等工藝參數,實現400mm平面鏡減重孔應力與微裂紋的消除;討論分離器加工原理和工藝技術特點,完成400mm平面輕型鏡面形加工。According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d
本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。After designing oil ditches on the surface of its arc - block, increase friction factor and make sure self - lock which solves above problem. do qualitative analysis to lower pair and one - way overrunning clutch and inner star - wheel - roller overrunning clutch by using self - made lever loader. the experiment shows : on the same condition, the deformation of new overrunning clutch ’ s surface contact with lower pair is smaller than the deformation of roller overrunning clutch ’ s line contact with higher pair and new overrunning clutch ’ s skid angle is smaller
對低副單向超越離合器的部件進行了加工製造,在超越離合器弧塊表面創新設計加工排油溝,增大摩擦系數,保證實現自鎖,解決了很多離合器工作過程中容易出現無法自鎖的問題;對低副單向超越離合器和內星輪滾柱超越離合器用自製杠桿加載器做了定性分析,實驗表明:相同條件下,新型離合器低副面接觸比滾柱離合器高副線接觸變形小、溜滑角小。Through theoretic reckoning and simulating analyzing, several control strategies for shunt apf were compared and chose ip - iq arithmetic of the instantaneous reactive power theory control strategy as the right scheme to produce the instructing current. based on it, some new control arithmetic was subjoined to suppress the resonance in system and balance the dc side capacitor voltage. two topologies of main circuit were compared and chose the three - phase voltage - source converter with a split - capacitor as its main circuit structure
通過理論計算和模擬分析,比較了並聯型apf的幾種控制策略的優點和缺點,從中選擇瞬時無功理論控制策略i _ p - i _ q計算方式為指令電流產生的演算法,並在此基礎上增加了抑制系統諧振和平衡直流側電容電壓的控制;比較了並聯型apf主電路的兩種常見形式,從中選擇了三相電壓型變流器的主電路形式;算出適合該apf的直流側電容和出線電感的參數;設計出能有效消除apf產生的高次諧波的高通濾波器。The special database management system prototype for accelerator rf cavity design, i. e. fishbase, has its own characteristics. especially, its query is different from that in traditional databases, and their operations are totally unlike. the adaptive genetic algorithm for design of accelerator rf cavity, i. e. sag, is also not the same as the classical genetic algorithm on both data structure and algorithm design
並在理論上深入研究了基於ter模型的時態關系代數及類sql語言,為我們的加速器高頻腔設計系統打下了一個良好的理論基礎c論文建立的加速器高頻腔設計專用bms原型base具有自己的特色,特別是其查詢與傳統數據庫中的查詢意義不一樣,操作完全小同c論文給出的用於加速器高頻腔設計的自適應遺傳算潔g在數據結構和演算法設計上也與經典遺傳演算法不同,具有自動調整基因以保證不產生異類的功能。Our results show that the rate of correlation among the random variables of those output sequences are low although they are not independent ; in addition, the output sequences of those combined generators are homogeneous markov chains which are strictly stationary processes with ergodicity ; the output sequences of those combined generators are also proved to summit to the strong law of large numbers and the central limit theorem ; finally the computation formula of the rate of the accordance between the output sequences and input sequences of those combined generators is given
我們的研究結論表明:雖然這些序列中隨機變量之間不具有相互獨立性,但它們的相關程度卻比較低;證明了「停走」生成器, km _ 1m _ 2型組合生成器和加法型組合生成器的概率模型輸出序列都是強平穩的和遍歷的齊次馬氏鏈;討論了這些序列的概率極限性質,證明了它們均服從強大數定律和中心極限定理;還分別給出了各類生成器的輸出序列與輸入序列之間的符合率的計算公式。The authors first apply basic theory of equivalent heat drop on the common circulation heat calculating model for thermal system in supercritical pressure power unit with second reheat cycles and other kind of condensing steam turbine by mathematical derivation strictly, based on the normal energy balance and theory of equivalent heat drop, aiming at characteristics of thermal system in which there are outer steam coolers that high pressure heater and low pressure heater carry
摘要以常規熱平衡方法和等效熱降理論為基礎,針對二次再熱超臨界機組熱力系統高低壓加熱器均設置外置式蒸汽冷卻器的特點,經過嚴格的數學推導,將等效熱降理論應用於二次再熱超臨界機組熱力系統循環吸熱量計算的研究,並提出了適用於不同類型凝汽式機組的通用數學計算模型。Applying the key technique of concurrent engineering - design for function ( dff ), design for assembly ( dfa ) and design for manufacture ( dfm ) of the method of design for " x ", the virtual design of the torque converter is accomplished in catia v5. then the model constitution and the simulation of virtual process of the torque converter is done in catia v5, including the model constitution and the simulation of 5 - aixe nc virtual process of the vane, the model constitution ( material : pvc ) of the idler pulley rapid prototyping ( rp ) and the virtual assembly and the motion simulation of the torque converter, etc. 3 - d data exchange between various cad systems is realized by using step standard. the lever of classing the character model of the torque converter is given
應用并行工程的關鍵技術之一? ?面向產品全生命周期的設計dfx中面向功能的設計dff 、面向裝配的設計dfa和面向製造的設計dfm的方法,在catiav5中完成液力變矩器虛擬設計;在catiav5中對液力變矩器進行虛擬加工建模和模擬,包括液力變矩器導輪葉片五軸數控加工刀軌建模與模擬、導輪快速成型rp建模( pvc材料) 、液力變矩器虛擬裝配和運動模擬等;採用step標準實現多cad系統之間三維數據交換,提出液力變矩器特徵模型的分級標準並對三維模型數據進行分級管理,制定相應的權限等級以規范合作廠家的產品數據管理層次。Fifth, through statistical analysis of electrical connector accelerated life test data, verified that the reliability statistical model of electrical connector and the reliability statistical method under doof data are both correct. applied the maximum likelihood estimate method with the least squares estimator of test data as preliminary estimate and weighted least square estimate method separate to treat the different kind test data, obtained the estimator of electrical connector reliability characteristic values
第五,採用極大似然估計法和加權最小二乘法對電連接器加速壽命試驗數據進行了統計分析,得到了電連接器可靠性特徵量的估計值,驗證了電連接器可靠性統計模型和doof數據下可靠性分析方法的正確性。The influence on the parameters of the measurement range and stability and its mutual relations are analyzed. it is pointed out that the key parameters are the weight of seismic mass and the critical voltage. dynamic response of closed - loop servo - system of the accelerometer and the method to adjust dynamic parameters are studied by the second - order method
本文根據已有的加速度計模型,導出了慣性傳感器中敏感質量塊的各個運動方程,通過數學解析的方法,分析了各參數對量程和穩定性的影響以及它們內在的關系,指出關鍵參數是敏感質量和臨界偏壓;根據二階系統分析方法研究加速度計閉環伺服系統的動態響應和調整動態參數的手段,最後利用系統模擬工具matlab給出形象圖解和驗證。Finally, the effect of the diffraction aperture is studied during the course of reducing the scale of the diffraction aperture to the limit of the scalar diffraction theory
基於仙農( shanon )的組合邏輯設計理論,用光學矢量-矩陣乘法器對超前進位加法器模型的光學實現進行了數值模擬。In large rotating machinery using filmatic bearing ( turbogenerator, air compressor, etc. ) there is a potential trouble from impefect installation or running conditions, a metals " contact between rotors and shells. the trouble is usully called rubbing. the advantage of ae technologe in the rubbing diagnosis and early detection is showed. instead of classical ae characteristic parameters ( counts, amplitude, energy, duration and the other ones ) a new feature extraction by frequency analysis of ae envelop signals is discussed. both research of ae process and field experements indicate that periodic components in the envelop spectrum related to rotational speed increase evidently at the beginning of rubbing production, hence are highly sensitive to the rubbing fault diagnosis. according to the new design an acoustic emission equipment for the rubbing diagnosis named buaa ae testing system is developed and described
汽輪發電機、空氣壓縮機等採用油膜支撐的大型轉動機械,由於安裝或運行中的原因,在轉子旋轉過程中,可能和器壁發生輕微的摩擦和碰擊,簡稱碰摩.聲發射技術在碰摩發生特別是故障早期診斷上有優越性.本系統的特點是沒有沿用傳統的計數、幅度、能量和持續時間等聲發射特性參數,而是在聲發射包絡信號的頻率分析中進行特徵提取.聲發射發生的過程分析和現場試驗都表明這種方法對碰摩檢測很敏感,在碰摩發生的起始階段,包絡譜中與轉速同步的周期性分量顯著增加.根據這種新的設計思想自行研製了buaa碰摩聲發射檢測儀並對此作了介紹2. the general calculation method of the thermal system is extracted, a general mat - rix model is obtained after reserching, which based on the traditional calculation method, this model also ban be used for the most type of the heater, assistent equipment, the dir - ection of the water flow, auxiliary steam - water, external heat and so on, those above fac - tors can be done easily with computer
在這些計算方法基礎上,研究出一種通用矩陣模型,該模型考慮到了加熱器的各種類型、輔助設備、疏水走向以及輔助汽水和外熱量等各種因素,易於計算機實現。 3 、本軟體是sis系統的一個子模塊,所以對sis系統和實時數據庫進行了總結探討。Based on above performances the applications of multi - sensor data fusion in state estimation for maneuvering target is studied systemically. the main work includes : based on the analysis that the extreme value of acceleration presupposed causes influence in the “ current ” statistical model, a modified model is given, which utilizes the functional relationship between maneuvering status and estimation of the neighboring intersample position vector to carry out the self - adaptive of the process noise variance. then combining with the recursive characteristic of kalman filter, an improved self - adaptive filtering algorithm is presented
基於此,本文針對多傳感器數據融合技術在機動目標狀態估計中的應用進行了系統的研究,其主要工作如下: 1 、基於「當前」統計模型中加速度極限值的預先設定對于濾波效果影響的分析,利用目標機動狀況與相鄰采樣時刻間位置估計量變化之間的函數關系實現噪聲方差自適應,進而提出了一種修正的模型,並結合卡爾曼濾波遞推演算法,提出了一種改進的自適應濾波演算法。The author bring forward the devise scheme to design the new type reader based on the ti s6700 reader ic while getting full understanding of the relevant theories and fundamentals about the rfid system, thus to realize the data collection, storage, display and transmission across a long way and enhance the reading distance through adding power amplifier and improving the antenna design
本文作者在對rfid系統的相關理論和技術深入研究的基礎上,提出採用tis6700閱讀器晶元集成化設計新型閱讀器的方案,實現數據採集、存儲、顯示和有效遠距離傳輸,並通過在信號發射埠增加功率放大模塊的方法提高閱讀器的有效閱讀距離。分享友人