正交矢量 的英文怎麼說

中文拼音 [zhēngjiāoshǐliáng]
正交矢量 英文
orthogonal vectors
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ動詞1 (把事物轉移給有關方面) hand over; give up; deliver 2 (到某一時辰或季節) reach (a cert...
  • : Ⅰ名詞1. (箭) arrow 2. (尿) excrement; dung; feces 3. (姓氏) a surname Ⅱ動詞(發誓) vow; swear
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  1. Adopting the assummation that the quark interaction is the sum of the usual one - gluon direct exchange and the mixture of linear scalar and vector potentials, we structure the relativistic corrections of order v2 / c2to the cornell potential, including the annihilation potential for the quark and antiquark of the same favors which plays the same role with the one - gluon direct exchange at short distances. the effects of the relativistic corrections on the hyperfine splittings of quarkonium states are discussed, and a good fit to the available experimental data is obtained on heavy quarkonium mass spectra

    采納庫侖勢源於單膠子直接換,而線性禁閉源於標的混合,同時考慮在短程區域與單膠子直接換起同樣作用的同味反夸克的湮滅,構造了靜態夸克-反夸克勢到v ~ 2 c ~ 2級次的完全相對論修,並擬合計算了重介子偶素的能譜,討論了相對論修對重介子偶素能級分裂的作用。
  2. The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial. the relations among the magnetic vector potential, the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one. it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given

    利用坐標旋轉后球坐標變間的關系和連帶勒讓德多項式的性質推導得到了n次1階球諧函數的加法公式;以遞進的方式說明磁位、修位與二階位的關系,寫出了引入二階位的過程;以時諧場邊值問題為例,闡明了不同坐標系下電磁場解的相互轉化原理,給出了一個解析解的轉化例子;在球坐標下,引入了較球波函數更普遍的兩類函數,給出了其在球面上的關系。
  3. The profit signal and noise vectors are orthogonal to each other, so the variation vector is the hypotenuse in a right triangle

    有效信號適和噪聲信號適相互,所以變是直角三角形的斜邊。
  4. Vector differences may also be found by the method of rectangular resolution.

    差也可用分解求得。
  5. The magnitudes of the rectangular components of a vector are easily computed.

    一個的大小是很容易計算的。
  6. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q調制基本原理的基礎上,通過對誤差和鄰近通道功率泄漏的詳細分析,定性、定地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。
  7. Expanding the system ' s hamiltonian to a real symmetric matrix in an appropriate orthogonal basis vector and then diagonalizing it, we get the energy spectrum of the system and calculate the energy level spacing distribution function and the spectral rigidity. then we study the statistical character of the energy spectrum under the changing of magnetic field intension and find that the system ' s motion transfers from regular to chaos gradually

    將系統的哈密頓在一個適當的下展開並對角化,得到系統的能譜,分別計算系統能譜的能級間距分佈函數和譜剛度,研究了該系統子能譜的統計特徵隨磁感應強度大小的改變而表現出的系統運動由規則到混沌的漸進變化。
  8. Coupled - mode theory ( cmt ) has been developed from the orthogonal cmt to the nonorthogonal one as well as from the scalar cmt to the vector one during these scores of years. it was applied extensively in guided - wave optics as an effective mathematical tool for the analysis of the coupling between the modes. however, as far as we know, there has not been any report of the rigorous vectorial cmt in the relative publication at home and abroad

    耦合模理論在這幾十年的發展歷程中,從耦合到非耦合,從標耦合到耦合,作為很有效的數學工具分析電磁場中的模式耦合,但據我們所知,嚴格的具有普遍適用性的非正交矢量耦合模理論還未見報道,因此耦合模理論還有待于進一步完善。
  9. When the isotropic waveguide is under the isotropic disturbances, the coupling term due to polarization, which is presented in the coupled - mode theory of the wei - ping huang, is n ' t included in this rigorous vectorial coupled - mode theory, exactly, the rigorous vectorial cmt does n ' t contain the coupling term due to polarization which is include in the scalar coupled - mode theory because this term is counteracted with the other coupling term neglected under weakly guiding approximation. as for anisotropic disturbances, we get the coupled - mode equations with arbitrary dielectric tensors. from them, we obtain the coupled - mode equations of the slowly varying term c ( z ) which is more simplicity

    當受到各向同性微擾時,我們發現嚴格的理論所得到的耦合系數表達式中並不包括wei - pinghuang的理論中的偏振耦合項,更確切的說,偏振耦合項好與因弱導近似而忽略的項相抵消,這就是標理論所得到結果(有偏振耦合項)與理論在標近似下的結果(不含偏振耦合項)不一致的原因所在;當各向異性微擾時,我們得到了包含微擾介電張各個分的橫電磁場耦合波方程,討論了微擾介電張各個分對耦合的影響,而且從橫電磁場耦合波方程出發得到了形式更加簡單的只含有橫電場系數的緩變分c _ ( z )的耦合波方程和耦合系數表達式,並以弱導近似下的單模光纖兩偏振模耦合為例對耦合系數在不同條件下的取捨做了定性的分析。
  10. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機運行特性及其最佳風能利用原理,通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性,並給出了模擬系統的硬體結構;然後為了實現流勵磁發電機有功、無功功率獨立調節機理,分析了流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向控制策略;針對雙饋發電機轉子能雙向流動的要求,提出並設計了具有能雙向流動能力的雙pwm流勵磁用變頻器;最後為實現從理論到實踐的全面研究,研製出了一套小功率完整的雙pwm變頻器流勵磁的雙饋風力發電機實驗系統,進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗;所完成的模擬和實驗研究均驗證了理論、模型和控制策略的確性、可行性。
  11. 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,此時qr分解的計算并行性不如逆三角分解( 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。
  12. This paper expatiated that the mathematics models of ac motor is higher order, non - linear and closed coupling, multivariable input - output system. and introduces the principle and the algorithm of sine pulse width modulation ( spwm ), opened - loop space voltage pulse width modulation control ( svpwm ) and field oriented control ( foc ). finally, realized the control strategies of variable - frequency speed regulating using assembly and c language

    文中闡述了流異步電機的數學模型是高階、非線性、強耦合的多變輸入輸出系統,介紹了流電機的弦脈寬調制、開環電壓空間的u / f控制和磁場定向控制的原理及控制演算法,並利用dsp構成控制系統,通過匯編語言和16位定點c語言混合編程的方法實現了上述的變頻調速控制策略。
  13. According to the data of the covariance - stationary stochastic time series, we can get the state space modeling algorithm quickly and stably by singular value decompositi on and orthogonal projection. this algorithm will be faster and more stable

    在已知平穩隨機時間序列樣本數據的情況下,論述了如何採用投影演算法和奇異值演算法建立隨機時間序列的狀態空間模型和狀態估計,這種數學建模方法對于船舶機艙中的系統數學建模有很大的幫助
  14. So, it is looked forward to being more perfect. in this thesis, beginning with the maxwell equation, we mainly do the following work based on the rigorous mathematical analysis : firstly, we present the rigorous nonorthogonal vectorial cmt for the isotropic waveguide under isotropic disturbances and anisotropic disturbances respectively. during the derivation, it is fully reflected the property of the vector and the universal fitness without any approximation

    本論文從maxwell方程出發,在嚴格的數學分析基礎上主要做了以下兩方面的工作:第一,分別嚴格地推導出了各向同性光波導在各向同性微擾和各向異性微擾下的非正交矢量耦合模理論,在推導過程中,考慮到電磁場的性和非性且沒有用到任何近似,因此具有普遍適用性。
  15. Adopting rotor field - oriented vector control methods, through which make the stator and the rotor magnetmotive forces can be kept orthogonal all along during operation of the bldcm, combining hysteresis current modulation ' s current control advantage and space voltage vector modulation ' s torque ripple attenuation advantage, then designing a sort of bldcm hysteresis current svpwm control method

    摘要研究採用轉子磁場定向的控制方法使無刷直流電動機定、轉子磁勢始終保持,結合滯環調制電流控制和空間電壓調制,設計了無刷直流電動機滯環電流svpwm控制方案。
  16. The paper gives explanations for such orthogonal relation, in which the vector interior product explanation is very useful

    文中給出了這種關系的幾何解釋,其中的內積解釋是很有用的。
  17. Secondly, the electromagnetic fields between the inner and outer boundaries are expressed in terms of infinite series with spherical vector wave functions using the relations between the spheroidal vector wave functions and spherical ones

    然後根據橢球波函數與球波函數的關系,把兩層橢球之間的電磁場表示為球波函數的級數形式,由球波函數的性,進一步建立各展開系數之間的關系。
  18. On the base of the analysis, we build up the vector fields of neighborhood variation ; put our emphasis on the description of the image edges and the domains of visual similar grey - level with the vector fields. after that, we find out the two methods used to detect the edges, the one with the biggest vector field, and the other with the perpendicular vector - pair of the biggest variation difference. the neighborhood size has got the great influence

    在此基礎上,提出了基於鄰域灰度變化場的圖像分割思想;建立了圖像鄰域灰度變化場,並重點分析了鄰域灰度變化場與圖像視覺邊緣、區域等特徵之間的關系;建立了最大鄰域灰度變化的邊緣檢測運算元模型,基於鄰域灰度變化場最大差異對的邊緣檢測運算元及區域檢測運算元模型;分析了鄰域選擇對邊緣擴展、噪聲抑制的影響。
  19. Meanwhile the coefficients of orthonormal polynomials are vector quantized based on analysis by synthesis

    對rew則採用多項式進行擬合,然後基於合成-分析進行化。
  20. This paper emphatically researches some typical search algorithms based on block matching of motion estimation, such as 155, fss, tdl, cs and ds. aimed at questions existing in these algorithms, under the elicitation of man vision system, the author designs a new integrative pattem ( sdp ) ftom the bionic view, which shows a parallel processing idea of coarse location and accurate orientation, and then presents a new square - diamond search ( sds ) algorithm for block matching motion estimation. the results of experiment prove that not only the new sos is much faster than above traditional algorithms, but also its psnr and visual quality of the retrieval images are better than those of other algorithms, and as nearly good as that of fs

    本文重點研究了三步法( tss ) 、四步法( fss ) 、二維對數法( tdl ) 、叉法( cs )和菱形法( ds )等經典的基於塊匹配的運動估值演算法;針對它們存在的問題,在人眼視覺系統的啟發下,從仿生學的角度設計了一種新的綜合模板( sdp ) ,它體現了粗定位和準確定位并行處理的思想,在此基礎上提出了一種新的用於塊匹配的搜索演算法?方形?菱形搜索( sds )演算法;實驗證明:該演算法的搜索速度比fs 、 tss 、 fss 、 tdl 、 cs和ds都快,而且根據運動恢復出的圖像在psnr和主觀視覺效果方面都和fs相當,比其它演算法要好。
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