commutation condition 中文意思是什麼

commutation condition 解釋
換向狀況
  • commutation : n. 1. 換算，交換，變換。2. 減刑；抵償；抵償金；劃撥。3. 【電學】整流，換向。4. 〈美國〉使用長期票（在兩地間）經常來往。
  • condition : n 1 狀態，狀況，情形；品質。2 〈pl 〉外界狀況，周圍情形。3 地位，身分。4 條件；【語法】條件子句。...
  1. The preface briefly introduces the present condition of the research on commutation system, and the meaning and researching approaches of the selected topic, thus the readers can get a clue to the content of the paper

    引言部分對選題的意義、學界關于減刑制度研究的現狀、論文的基本內容和本選題的研究方法作了簡要說明。
  2. According to the dirac constrain theory and the extended condition, we deduce the gauge generators, show the brst transformation of ( 1 + 1 ) dimension o ( 3 ) non - linear model under the new general condition. we first gain the new general commutation relations of ghost field, deduce the brst charge from gauge generator, complete the general brst quantization of the model, get green function, connecting green function and generating functional, gain three kinds of ward identities. at last, we complete the brst quantization of o ( 3 ) non - linear model with topological term in ( 1 + 1 ) dimensions space - time

    最後依據dirac約束規范理論和推廣的條件，導出了規范生成元，推導出了1 + 1維o （ 3 ）非線性模型的新的一般條件下的brst變換，給出了其brst變換與dirac規范變換的等價性，首次得到了鬼場的一般對易關系，且其一般參數為零時就回到通常的鬼場的對易關系，第一次由規范生成元導出了brst荷，進而完成了此模型的一般的brst量子化，並在此基礎上進一步導出了此系統的green函數、連通green函數生成泛函和正規頂角生成泛函，獲得了三種不同的ward恆等式。
  3. In order to minimize the commutation torque ripple of traditional trapezoidal bldcm using 120 cconduction mode, firstly, analytical formulae of commutation torque in the condition of perfect back - emf waveforms are developed in this thesis, based on which the effects to the torque ripple by the pwm modes, overlapping commutation techniques and so on are analyzed, and the applicable speed ranges of the motors using the overlapping commutation techniques are derived

    為了抑制傳統的三相六狀態120導通方式控制下方波型無刷直流電動機的換相轉矩脈動，本文首先在理想反電動勢的條件下推導了換相轉矩脈動的解析公式，並由此分析了調制方式、重疊換相技術等對換相轉矩脈動的影響，得出了採用重疊換相技術抑制換相轉矩脈動適用的電機轉速范圍。
  4. First, we find one kind of realization of yangian and under this condition we investigate commutation relations between the generators of yangian and the hamiltonian

    首先通過一種yangian的實現形式，研究在這種實現下， yangian的生成元（ ? ）和（
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