模擬乘法器 的英文怎麼說

中文拼音 [mónǐchéngfǎqì]
模擬乘法器 英文
analog multiplier unit
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 擬 : 動詞1. （設計; 起草） draw up; draft 2. （打算; 想要） intend; plan 3. （模仿） imitate
  • 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
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  • 法器 : [宗教] musical instruments used in a buddhist or taoist mass
  1. In the stage of the sun and the moon in sight, azimuth of the sun, the earth and the moon in the spacecraft body coordinate system is simulated. combining the simulated azimuth with the ephemeris of the sun and the moon, the state equation and observation equation are modeled. the initial orbital parameters calculated by least square method are used in orbit state equation to predict spacecraft state and to realize autonomous navigation

    在日月可見階段，模擬日、地、月敏感器測量信息，即日、地、月在航天器本體坐標系下的方位信息，結合日月星歷，建立狀態方程及觀測方程，通過最小二乘法得到歷元時刻的軌道狀態初始值，將其代入軌道狀態方程進行自主導航。
  2. 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。
  3. 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。
  4. After analyzing the switching characteristic of mosfet, the object function of optimizing curve of the output capacitance coss is confirmed according to the switching loss caused by output capacitance coss, then the optimized curve of the output capacitance coss is ascertained by applying zoutendijk to seek the optimized value with constraint ; the simulation of switching circuitry and dc - dc circuitry is tested at different frequency in pspice, then the least square method is adopted to fit simulation curves to calculate corresponding energy data

    在電子線路模擬軟體pspice中進行了mosfet開關電路以及典型dc dc轉換線路模擬測試，針對不同頻段的測試結果，採用最小二乘擬合法對模擬曲線進行擬合，計算出相應的能量數據，最後綜合模擬結果確定出減小器件開關損耗，提高dc0c轉換線路效率的器件輸出電容cob優化曲線。
  5. 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。
  6. The subject inducts digital time division technology ( pwm ), which is more advantageous at the accuracy and the predigest of hardware than simulant multiplication. what they call measuring power energy reasonably is that measuting except harmonics power energy fed back power. yet it realizes reasonable measurement of power energy which measures by base wave ac parameters method base on digital time division

    本課題引入了數字時分割（ pwm ）脈寬調制技術，在測量的準確性、硬體電路的簡化等方面都比模擬乘法器具有較高的優越性。所謂合理的計量電能，就是不計非線性負載回饋給電網的負的諧波電能，而採用基於數字時分割的基波交流參數測量的方法，真正實現了電能的合理計量。
  7. New developments in decision theory, artificial theory and dynamic analysis method are applied to evaluation the possible projects. the main contents in this paper are included as follows : first, has improved an format reasoning method based on multiple attribute utility model and knowledgebase theory ; second, has proposed complex utility model by improving the theory of multiple attribute utility ; third, has presented a kind of weapon intelligent decision support system, based on the complex utility model and developed with com / dcom criterion ; forth, this paper also has build the dynamic simulation model for long - rang multiple tube rocket launcher system, and the tire dynamic model has applied in the rocket launcher system dynamic simulation model ; fifth, through building the rocket - launcher contact model, this paper has analyzed the dynamic forces between the rocket and launcher ; finally, this paper has build the evaluation model of the project about improving existing rocket launcher to the launcher that using canister, and get the conclusion through using the widss. the studies in this paper not only proposed scientific warrant to the choice of projects in this pre - studied national defense task about improving existing rocket launcher to the launcher that using canister, but also can give other studied tasks with decision supported

    主要內容包括：在總結決策分析與專家系統規則庫技術的基礎上，提出了融決策分析與專家系統規則庫技術於一體的形式化推理機制，該機制能有效的將定量計算和定性知識融為一體，將規范的決策分析解題過程與專家系統特有的演化推理方法有機結合起來；在多屬性效用理論的基礎上，建立了一般形式的復式效用模型，並實用化了全相關乘式效用模型，提供了較完善的通用建模、分析和解釋功能：引入了com dcom組件技術，開發了基於組件的widss系統，該系統基於形式化推理機制，易於擴展，能夠面向多種決策問題，具有較強的通用性；建立了遠程多管火箭炮全炮動力學模擬模型，將充氣輪胎動力學模型、輪胎和路面的相互作用模型運用於多管火箭炮動力學模擬計算中；利用碰撞接觸理論，對火箭彈在定向器管內的運動受力情況進行了模擬計算；建立了遠程多管火箭炮箱式發射改進方案模型，並利用動力學模擬計算結果在widss系統中進行了方案性能評估。
  8. Design and test for integrated simulation multiplier and demodulator circuit of modulated wave signal

    集成模擬乘法器與調幅波信號解調電路設計與測試
  9. Secondly the detection precision is only related to the synchronization phase but not to the amplitude of the mainline voltage because that it uses the optimized pulses synchronous with the mainline voltage as modulation signals. thirdly it decreases the requirement of the input low pass filter and eliminates the error resulting from the direct component and even harmonics of load current. the most significant merit is that it can eliminate the effect of a few low order odd harmonics and the detecting circuit is easy to be implemented

    模擬和實驗結果表明該方法的主要優點有：不需使用乘法器進行信號調制，調制信號採用與電網電壓同步的優化特定脈沖，其檢測精度只與同步相位有關，而與電網電壓幅值無關；降低了對輸入低通濾波器的通頻帶要求，直流和偶次諧波分量對檢測精度沒有影響；突出的優點是可以消除有限個低奇次諧波對檢測結果的影響。
  10. In the first part of this paper we present a laser scanning location algorithm based on least square algorithm using landmarks. then successively, we give the principle of the landmarks option and position recovery algorithm. in the end, the work process of algorithm is given

    給出了結構化環境中移動機器人路標閥值匹配演算法，對定位演算法，本文提出了一種基於最小二乘法的迭代搜索多路標定位演算法，並通過模擬實驗歸納出路標優化選擇的準則，提高了系統的定位精度。
  11. Optical vector - matrix multiplier is a kind of integrated optical device and it is necessary to study the effect of the diffraction. based on the scalar diffraction theory, the transformation of gaussian beam by each component of the vmm is calculated by collins formula, and the distributions on the slm and ccd are investigated

    本文在標量衍射理論體系下，應用柯林斯（ collins ）公式對光學矢量-矩陣乘法器的光場分佈進行模擬計算，得到slm和ccd接收面上的光場分布圖。
  12. Secondly, with combination of a certain type of radar, the application of genetic algorithm to optimum code selection and the iteratively reweighted least - square mismatched filter design for sidelobe reduction are discussed. the favorable experimental results are obtained, especially for 64 phase code

    最後，我們結合某型雷達，以64相碼信號為例，說明了遺傳優化演算法在編碼搜索中的優越性，並採用了迭代加權最小二乘演算法來設計失配濾波器以達到相位編碼信號的優化副瓣抑制目的，且給出了相應的模擬結果。
  13. The whole circuit consists of a multiplier, an error amplifier, a comparator, a rs flip - flop, an and gate, and an inverter, etc. the electronic circuit simulator cadence is utilized to practice the detailed functional simulation of the general circuit and the subsystem circuits

    整個電路由模擬乘法器、誤差放大器、比較器、 rs觸發器、與門和倒相器等基本單元電路組成，採用工作站上的大型ic設計軟體cadence進行模擬。
  14. Chapter 5 gives the design illumination of the rs coder and decoder based on fpga. then it gives the integrated results for realization design of the rs ( 31, 15 ) error - correcting code. after that, it gives the functional and layout simulation results for the limited field multiplier, divider, rs coder and rs de - coder

    第五章給出了基於fpga實現的rs編碼器和譯碼器設計說明， rs （ 31 ， 15 ）糾錯碼設計實現的綜合結果，有限域乘法器、除法器、 rs編碼器、 rs譯碼器的功能模擬和布局布線后模擬結果，最後總結主要的調試經驗。
  15. The circuit models, modulated signal models and error simulation models of the two tdm were established, then by use of computer simulation, the power measurement model errors and instrument errors of the two tdm were fully analyzed by nature and quantification

    建立了該兩種乘法器的物理模型、數學模型和誤差模擬模型，全面地分析了各種參量對其交流功率測量的原理誤差和儀器誤差的影響，並給出了定量的結果。
  16. In addition, the paper presents filter multi - phase structure for the shaping - filter design and its fpga implementation, where multipliers can be omitted by using the look - up table of the filter coefficients rom. test of the prototype circuit board shows the method is perfect

    然後介紹了數字成形濾波器多相結構的fpga實現方法，運用查詢系數rom的方法可以省去實現濾波器的乘法器結構，並對此實現方法進行軟體模擬和硬體電路板測試，測試結果達到了較理想的效果。
  17. 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。
  18. Many international companies have put their pfc chips on the markets, such as mc33262, mc34262, l6561, l6562, ml4812 etc. in this paper, we studied on critical current mode active power factor correction technology, and did a detailed analysis and design on voltage reference circuit and analog multiplier circuit

    國際上已經出現了一些有源功率因數校正晶元，如onsemi公司的mc33262 、 mc34262 ， st公司的l6561 、 l6562 ， microlinear公司的ml4812等產品。本文研究了有源功率因數校正技術中的臨界導通模式的基本原理，並對其中的電壓基準源和模擬乘法器做了詳細的分析和設計。
  19. For analog multiplier, the basic principles were analyzed and input, output circuits were designed

    對于模擬乘法器，分析了其工作原理，並設計其輸入輸出級使其適合設計要求。
  20. Based on the coherent modulation model, doppler information is obtained by using ad633 analog multiplier and active low pass filter ; 3

    以相干檢波一般模型為基礎，採用ad633模擬乘法器和有源低通濾波器實現了對多卜勒信息的提取； 3
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