矢輔 的英文怎麼說
中文拼音 [shǐfǔ]
矢輔
英文
yashiki-
Abstract : it presents the law of “ the reverse is positive ” on how to evaluate the unknown force of statically determinate structure, the movement law of force vector for drawing the axial force diagram and shear diagram. and expounds the simple and convenient method of drawing the moment diagram according to the rubber band deformation, and the auxiliary teaching software corresponding to the above - mentioned methods. the methods are believed to save class hour and gain a better effect on teaching
文摘:闡述了求靜定結構未知力的反為正規律；繪制軸力圖、剪力圖的力矢移動法則；按照橡皮筋變形繪彎矩圖的簡便作法以及與上述方法對應的計算機輔助教學軟體.相信這樣作，對教學可起到省課時、效果好的作用Then this paper makes some overview and simulation on the application of three precoding algorithms under the flat fading channel, which are linear preequalization, tomlinson - harashima precoding ( thp ) and lattice reduction - aided ( lll ) vector precoding
本文對三種常見的預編碼演算法在平坦衰落通道下的應用進行了綜述和模擬研究，包括迫零線性預均衡、 thp預編碼和格約簡輔助矢量預編碼等演算法。Apu system, ac induction motors driving system, multi - torque output system, regenerative braking system and battery management system make of the hybrid system. all the subsystems are integrated systematically by the multi - energy resource management system
輔助動力單元（ apu ）控制系統、矢量控制交流調速驅動電動機的制動能量回收系統以及多級動力輸出管理系統和電池管理系統組成了整個混合動力系統。We start with the theory of vector quantization, and come on with the application of of v. q. technics on image processing. fist we developed a codebook creation algorithm based on the partial distortion theorem, which has greatly improved the quality of the initial codebook
我們採用理論與應用相結合的辦法，從矢量量化的一些基本問題入手，克服其明顯的缺點，輔助以其它高效的手段來使矢量量化技術從純理論的研究走向實際的應用。Since the filtering vector is needed in qrd - rls and qrd - brls, the parallelism of qr decomposing will be impeded slightly. the inverse qr decomposion ( iqrd ) scheme for brls algorithm is proposed in this dissertation to enhance the parallelism, the systolic array structure for iqrd is proposed to calculate the algorithm in parallel
鑒于碼輔助最優濾波需要求解濾波權值矢量，此時qr分解的計算并行性不如逆正交三角分解（ iqrd ） ，本文提出了基於iqr分解的brls演算法，給出了iqrd - rls / brls的脈動陣列并行計算結構。Secondly, the main stuctures of the software and hardware parts of the control system are introduced. principles and realization of the main functional blocks of these two parts are illuminated. on the hardware of the system, parts of control circuit and the design and debugging of peripheral circuits are discussed thoroughly. based on the hardware circuit, the software is programmed with assembly language. dual close loop vector control weth feedback of speed and current are realized. the flow charts of main programme and pwm interrupt service routines are given. the important control strategies of vector control pmsm such as current sensint and scaling, speed sensing and scaling, bector co - ordinate transformation, generation of sine and cosine, pi regulators, svpwm vector modulation and so on are all accomplished in the pwm interrupt sevice routines. in order to unite all the variables in the programme, scaling is used
硬體方面主要論述了控制電路各部分及外圍輔助電路的設計和調試。在硬體的基礎上，軟體採用匯編語言編程，實現了轉速和電流雙閉環矢量控制。給出了系統主程序和pwm下溢中斷處理程序流程圖， pmsm矢量控制的主要控制策略如電流采樣與定標、速度采樣與定標、矢量坐標變換、 sin和cos值生成、 pi調節、 svpwm波形生成等都是在pwm下溢中斷服務子程序中完成的。Abstract : a general bpm simulator for optical waveguides is presented in this paper. this system includes three tools : the effective refractive index calculation tool, the waveguide mode solution tool, and the beam propagation method simulation tool. this system is very useful for the optimal design of the linear optical waveguide devices
文摘:介紹了一個光波導器件計算機輔助分析系統，該系統集成了3個實用工具：光波導有效折射率計算工具，光波導模式求解工具和三維復折射率全矢量有限差分束傳播法模擬工具.本系統用於線性波導器件，模擬光在波導中的傳播過程，從而可以優化設計波導器件，探索新結構器件Abstract : some main problems of the superhigh speed nc machine tools, such as superhigh speed spindle vector controller, servo system of quick - response, reduced instruction set and other auxiliary functions in superhigh speed cutting are introduced in the paper
文摘:介紹了超高速數控機床控制系統的幾個主要方面：超高速主軸矢量控制器、快速響應的伺服系統、精簡指令集計算機系統及超高速切削中的其他輔助功能。T1 ： in the main display area mainly display intelligence, vector map, scale line etc. while in the auxiliary display area are displayed the system status information, man - machine communication information etc
主顯示區域主要顯示情報、矢量地圖、刻度線等。輔助顯示區域則用於顯示系統狀態信息、人機交互信息等。In addition, the research further explores that only when teachers perceivably understand " problem structure " of physics competition, can they be in a better position to give guidance to students
另外，從研究中也發現：教師只有很好的掌握物理競賽的「問題結構」 ，才能夠有的放矢的進行輔導。The simulation results prove that among the three precoding algorithms, lll precoding strategy demonstrates the best ber performance. and the simulation results also tell us if lll precoding algorithm is combined with the v - blast detection, the performance of the precoding system will be improved by the v - blast lll precoding strategy
與v - blast演算法相結合的格約簡輔助矢量預編碼演算法由於在v - blast中根據當前通道狀態特徵，在預編碼時對信號進行重新排序，因此提高了預編碼性能。The description of fixed - point rotation needs two three - dimensional coordinates, three independent variables. the relations of this coordinates and variables are so complexity that it ' s difficult to show the movement of fixed - point rotation. instructing the fixed - point rotation becomes a problem. using 3d animated graphics assist teaching ; we have solved this problem well
定點轉動需要兩個三維坐標系、三個獨立變量來描述其運動.由於它空間性強、矢量關系復雜，運動圖像不易展示，成為教學中的難點.我們利用三維動畫輔助講解，較好地解決了這一問題Secondly, the adaptive integral method is studied in detail. the two key techniques used in aim are introduced in roundly. they are : fast and efficient solutions of auxiliary basis function, and fft used to accelerate the computation of toeplitz matrix and vector multiplication
接著，詳細研究了自適應積分方法的基本原理和數值實現方法，並深入研究了數值實現中的兩個關鍵問題:輔助基函數的快速精確求解和fft加速多層拓撲利茲矩陣與矢量相乘的計算。Then, by studying fuyu county as a case, using 1 : 50000 relief map as assistant data, building up classification system of residential points, and using etm images to distill information of residential area, the inversion model of population distribution was set up, and the vector data of population distribution were obtained on the basis of residential points
進而以扶余縣為例，以1 : 5萬地形圖為輔助數據，建立居民點分類體系，利用etm影像提取居民點信息，在以上模型的基礎上建立人口分布的反演模型，得到基於居民點的人口分布矢量數據。In this paper, using arcview, in the process of land cover classification of kaifeng city, the geographical data such as the land use map are made into vector maps, then the assistant data, containing attribute of each land cover sort, are gained
本文以開封市土地覆蓋分類為例，利用arcview軟體對開封市土地利用圖等地理數據進行矢量化處理，得到包含各類地物屬性的輔助數據。分享友人