電磁計算程序 的英文怎麼說
中文拼音 [diàncíjìsuànchéngxù]
電磁計算程序
英文
program of electro-magnetism- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 磁 : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
- 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...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
- 電磁 : [電學] [物理學] electromagnetism電磁安(培) abampere (電磁系電流單位); 電磁泵 electromagnetic ...
- 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
- 程序 : 1 (進行次序) order; procedure; course; sequence; schedule; ground rule; routing process 2 [自動...
-
This paper demonstrates the fundamental principle systematically, including the design process of a halbach motor. in order to make the design more easier and reduce the designing period, cad is applied to the motor design : the concise matlab language, to some extend, reduces the workload in electromagnetism design ; the mathematic modeling and collating programs compiled by apdl language in ansys substantiate the precision of the electromagnetism design
為了減少電機設計的工作量和縮短電機開發的周期,本課題對halbach電機採用計算機輔助設計:簡潔的matlab語言在一定程度上減少了halbach電機電磁設計的工作量,縮短了電機開發的周期;利用ansys自帶的apdl語言編寫的halbach電機建模與校核程序保證了電磁設計的準確性。In addition to pic method, the numerical computation method is used as a compensation for the study of the characteristics of electron beam. the two methods are used separately to attain the trajectory of axially - emitted electron beam in diode region and drift region, and the trajectory of radially - emitted electron beam with axial, azimuthal, as well as compounded axial and azimuthal magnetic field. three two - dimensional codes and two three - dimensional codes have been made out to compute the trajectories
本文特點之一就是採用粒子模擬和數值計算相結合的方法進行模擬計算,分別得到了軸向發射條件下電子在二極體區域和漂移區的軌跡,徑向發射條件下電子在角向磁場、軸向磁場、角向和軸向復合磁場中電子的運動軌跡,分別編制了三個二維電子軌跡計算程序和兩個三維電子軌跡計算程序,最後將粒子模擬和數值計算得到的結果進行了對比,得到了較為滿意的結果。We present a calculation program in this paper, based on the physical optical theory ( po ) theary to predict bse and bses for a conical type of radome. the po theory is used to determine the ficticius currents electrical and magnetic on the inner face of the radome, which is illuminated directly by the radar antenna, and then use the transmission matrix mothod to determine the outer surface ficticion currents, the radiated from the antenna through radome is considered as the radiation field of these ficticion current
本文提出了一種基於物理光學理論預測正圓錐天線罩瞄準誤差及瞄準誤差斜率的計算程序。首先,雷達天線照射到天線罩內壁,應用物理光學法求出內壁等效的電流和磁流,其次,根據傳輸矩陣理論求出外壁等效電流和磁流,天線通過天線罩的遠區場即可認為是外壁等效電、磁流產生的場。As the 3d electromagnetic field calculation region of the tfpm is not suitable for the periodic condition, the calculation must be done for the whole region. it takes too much time. firstly, a method is adopted to simplify the 3d model with periodic condition
本文的工作主要包括以下幾部分內容:首先對本文研究的橫向磁通電機的三維電磁場分析模型進行了簡化,提出了對不符合周期條件的求解區域在工程設計允許的范圍內進行簡化處理的方法,同時對商業軟體進行了二次開發,編制了周期條件處理程序,減少了三維電磁場計算時間。This thesis chooses b spline wavelet that adapts to the analysis of power system signal, and uses the wavelet transformer to analyze the magnetizing inrush current and inner fault current. a transformer microcomputer protection was designed in this thesis, and in the base of intermission angle principle, a new criterion was established, which pierces through the traditional method with accurate measurement of intermission angle, but analyses the wave by wavelet transform. this criterion is lower in hardware, so it will be realized in the existing hardware
本文選擇適合電力系統信號分析的b樣條函數作為母小波,對勵磁涌流和內部故障電流進行小波分析,並設計微機型變壓器保護基本配置,在以往間斷角原理鑒別勵磁涌流的基礎上,突破傳統精確測量勵磁涌流間斷角的方法,直接對信號小波變換后的波形進行分析,建立一個新的鑒別勵磁涌流判據,該判據對硬體要求不高,可以在現有一般硬體平臺上實現;並編寫以b樣條函數為母小波的小波變換判據演算法程序。The results of iem and fem show the effectiveness and advantages of iem for pmss. on the basis of field analysis of pmss, the paper describes the calculation of torque of pmss using maxwell stress method ( msm ). the torque - angle characteristic of pmss is also analyzed by msm
在對永磁步進球形電動機磁場分析的基礎上,本文採用麥克斯韋張量法,建立了永磁步進球形電動機轉矩的計算方法,在matlab環境下編寫程序對電機實例的矩角特性進行了分析。Based on the viewpoint of interaction between waves in plasmas, the partial differential equation that causes the spectral lines broadening has been deduced from radiation transfer equation of high - frequency electromagnetic waves in plasmas. the numerical solution has been obtained by using the fortran program we compiled. we concretely calculated the spectral lines widths of and fraunhoferx 3704 in corona, fj / a4923. 9 in dwarf nova oy car and f. / a4934 in the variable star rr lyrae
本文從等離子體波與波相互作用觀點出發,由高頻電磁波輻射轉移方程導出了引起譜線寬度變化的偏微分方程,編寫fortran程序求解偏微分方程的數值解,具體計算了日冕綠線f _ exiv 5303和夫朗禾費線3704 、矮新星oycarf _ eii 4923 . 9 、天琴rr型變星f _ ei 4934的譜線加寬值,對以上各譜線加寬中的等離子體致寬效應作了初步計算。This control system adopts creditable plc for real control ; it sends many simulating signals collected by old sand temperature of inlet, suction opening temperature of double disk, inner sand temperature of double disk, current of mainframe and current of fan ; meanwhile, the operation signal and switching value signal outputted by material movement transducer is inputted to switching value module of plc ; it gets evidence of water feeding after cpu account ; the operation result of cpu is outputted by switching value of plc to control unlock combination of coarse, middle and thin water feeding electromagnetically operated valve and then gets different water feeding quantity
該控制系統採用高可靠性的plc可編程序控制器進行實時控制,傳感器所採集的入口舊砂溫度雙盤抽風口溫度雙盤內砂溫主電機電流及鼓風機電流等模擬量信號直接輸入plc的模擬量採集模塊,同時加砂設備運轉信號及加砂設備物料移動檢測傳感器發出的開關量信號輸入plc的開關量模塊,由cpu獲取經運算而得到加水計算依據, cpu運算結果直接由plc的開關量輸出控制粗中細加水電磁閥的開啟組合,而得到不同的加水量。Chapter four : firstly, creatively puts forward the double circulation message drive programming idea, and detailedly expounds the basic theory of the double circulation message drive ; afterwards, works out the software of the electromagnetic flowmeter system according to it ; finally, works out the multi - byte decimal fixed point numbers multiplication & division subprogram, through studying the current arithmetic
第四章首先創造性地提出了雙循環消息驅動程序設計思想,並詳細闡述了雙循環消息驅動的基本原理;然後根據該思想設計出電磁流量計系統軟體;最後通過研究原有演算法設計出演算法改進后的多位元組十進制定點數乘除法程序模塊。The effect of the primary and secondary winding widths on the power loss and energy storage are analyzed for the pcb winding pattern by using 2d - fem, it is demonstrated that when the primary and secondary have the same winding width, the transformer has the lowest ac - resistance and leakage, this suggests ways the designer can modify the winding arrangement to minimize the loss of transformer
利用ansoft電磁場模擬軟體和本人開發的一維平面變壓器的繞組損耗計算程序對pcb繞組的並聯繞組的設計問題和pcb板繞組原副邊寬度相等問題進行了研究,提出了減少pcb板繞組的高頻損耗的設計方法。Meanwhile the method of calculating the maximum and minimum inductance is programmed in visual c + + 6. 0 language. and an software which can check the characteristics of model srm only by the structure and magnetic field results is provided. the software has an interactive face that make the calculation direct
採用visualc + + 6 . 0語言編制了計算最大和最小電感的磁化曲線的計算程序,並開發了一個利用srm幾何尺寸和磁場計算結果核算電機性能參數的軟體,軟體採用互動式用戶界面,使計算直觀化。Abstract : the mathematical model for the magnetic field numerical calculation is presented with the theory and the method of magnetic field numerical calculation, which combines with the structure characteristics of the 5 - limb core. the program is compiled by fortran language, and an example for the 5 - limb with flat yoke is given. the results prove the correctness of the method and the practical value
文摘:應用電磁場數值計算的理論與方法,結合五柱鐵心的結構特點,推導出磁場數值計算模型,用fortran語言編制出計算程序,並對五柱平軛式鐵心結構進行實例計算,計算結果驗證了分析方法的正確性和實用價值The main module of sensorless pmsm vector control such as voltage sensing, current sensing, smo rotor position estimation, speed calculation, generation of sine and cosine, vector coordinate transformation, pi regulators, svpwm vector modulation are all accomplished in the pwm interrupt service routines
永磁同步電機無位置傳感器矢量控制的主要模塊如電壓采樣、電流采樣、滑模轉子位置估算、速度計算、正餘弦值生成、矢量坐標變換、比例積分調節器、空間電壓矢量脈寬調制等都是在pwm中斷服務子程序中完成。In this paper, first, the study of the distribution of electromagnetic field, energy, power, reflection coefficient and transmission coefficient in waveguide with piecewise different dielectric constants are studied. then, the behavior of propagation of am signal and gauss pulse signal through the waveguide are simulated by magic code , and the plots of electromagnetic field, energy, ponyting vector and their spectrums at different time and different position are obtained. and, the group velocity and energy velocity of wave packet through barrier are calculated
從90年代開始, emig和martin 、 landauer等人研究了分段填充不同介質的波導中的電磁脈沖的傳播。在本論文中,作者首先推導出分段填充不同介質的波導中的電磁場分佈、能量、傳輸功率以及反射系數和傳輸系數的表達式,然後,採用magic程序模擬了這種波導結構中電磁波的傳播情況,得到了在不同時刻和不同位置處的電磁場分布圖、能量圖、坡印廷矢量圖以及它們的頻譜圖,並由模擬結果計算了波包穿越勢壘的群速和能量速度。In this thesis we use electromagnetic transient program ( emtp ) to simulate and study those two kinds of overvoltage ; and research how to use moa and rc devices to reduce them basing on multi - exponential moa model and principle of rc device. at the same time, based on l - r damping principle, researches are made on the feasibility of restricting overvoltage by l - r device. thus methods of ensuring the parameters of these devices are concluded
本文利用電磁暫態計算程序( emtp )對上述兩種過電壓進行了模擬計算研究;同時,基於moa多指數模型和rc裝置原理研究了如何使用moa和rc裝置來對過電壓進行限制;基於l - r阻尼原理探討了使用l - r裝置限制過電壓的可行性;並得出了以上保護裝置的參數確定方法。My paper presents us the theory of polarization duplexing grid with the high power microwave input. first, the new field of hpm has been introduced. then comes the principle of polarization duplexing grid
本論文就極化雙工柵在理論上做了一個研究? ?對極化雙工柵電磁場特性的數值分析方法進行了理論推導,並編制了計算程序,為高功率微波下的極化雙工柵的設計提供了理論依據和計算程序。The paper proves that in the 2d non - linear case, the coulomb gauge is been meet naturally. in the paper, the second - order isoparametric fem is adopted in the non - linear transient magnetic field simulating excited by current source and the results of transient field and static field solved by the second - order isoparametric and linear fem are compared and analyzed, besides, the effect of the eddy currents in the magnetic materials of the different conductivity is analyzed, it is obtained that the magnetic material of high magnetic conductivity and low loss should be chosen in designing of pma
文中採用二次等參元有限元法推導出在電流源激磁下的非線性瞬態磁場的計算方法和編制了相應的計算程序,並採用二次等參元有限元法和雙線性有限元法分別對瞬態場和靜態場進行了計算,並對計算結果進行了誤差分析,此外,還對不同電導率的導磁材料中渦流產生的影響進行了分析,得到結論設計永磁操動機構時,應選擇導磁性能好,損耗低的導磁材料。But how to predict its reflected characteristics and equivalent electric and magnetic ( em ) parameters from components of the mixed material containing iron fibers, and how to make sure absorbing material ' s components from the required reflected characteristics, still has n ' t a viable method and calculating program. the purpose of this paper includes three contents. one is to research a method that we can calculate the oriented iron fiber mixture ' s em parameters from it ' s components
但是對于如何從塗料的配方預測其反射特性和等效電磁參數、並根據對反射特性的要求制定鐵纖維吸波塗料配方還沒有一套可行的方法和計算程序,本論文的目的是研究出一套根據塗料的配方求解定向鐵纖維混合物的等效電磁參數的方法,提供實用的計算機程序,並對混合物的等效電磁參數與鐵纖維的形貌、含量的關系進行分析,得出一些規律性的結論。Then, the method is determined and the program is compiled for electromagnetic computing according to experiment result
然後,確定電磁計算方法,並編制出與實驗結果相符合的電磁計算程序。With these backgrounds, the object being investigated in this article is composite metallic and dielectric structure which is composed by piecewise homogeneous, linear and isotropic medium, the problem being investigated is the complex scattering and radiation problem, the intention being investigated is modeling and fast computing the electromagnetic characteristic of electric large complex structures with uniform method, the final objective is developing general fast electromagnetic computing software to solve the realize electromagnetic computing problems in engineering
本文就是圍繞這一背景展開的,研究對象是由分塊連續、線性、各向同性媒質組成的「金屬與介質混合結構」 ,研究問題是復雜的散射和輻射問題,研究目標是以統一的方法對電大尺寸復雜結構作電磁建模與快速計算,最終目的是開發通用的電磁計算程序,來解決一些工程中的復雜電磁計算問題。分享友人