path integral 中文意思是什麼
path integral
解釋
路徑積分-
Through the analytic continuation of first order perturbation function in the - plane, we have that the integral path of dispersion equation should use the landau path
。通過將一級微擾函數在整個復頻率平面上解析延拓，得到色散方程中的積分路徑應採用landau積分路徑。 -
Chiral anomaly in noncommutative field theory renewed the physist ' s interest in the past years. we mainly study the chiral anomaly of two dimensional non - commutative chiral qcd2 model using fujikawa ' s path integral approach
我們以二維非對易空間的手征qcd _ 2模型為例討論了非對易規范理論中的手征反常問題。 -
In order to gain a better understanding of the mechanism of airflow reversal in a non - diagonal airway of a horizontal network, the relationship and difference between the path integral of the convection item contained in the movement equation and the pressure increase induced by cooling of fume were discussed
為加深對水平網路中非角聯旁側支路風流逆轉機理的認識，對運動方程中對流項的沿程積分與冷抽力的聯系與區別進行了討論。 -
The primary task of masonry homogenization is to pose an integrated theory path of equivalent processes that give the integral behaviors of masonry form local behaviors of blocks and mortar, and of characterizing complete structures. with the help of the theory, the masonry experiments can be greatly simplified
砌體均質化理論的主要任務是建立一個從微小單元到整體結構等效過程的理論體系，形成從砌體組成相的性質等效至微小砌體rve ，再反映至整個結構的一條完整理論路徑，從而可以簡化砌體的試驗研究工作。 -
In order to realize the measurement of several parameters and broad - band spectrum ( 250nm ~ 3000nm ) on the same standard equipment, we make use of two main light paths. one is to measure spectral radiance, the other is to measure irradiance through integral sphere, translational stage and mirror changing the light path
本標準裝置涉及參數多，包括光譜輻照度、光譜輻亮度、光源色溫；光譜范圍寬，覆蓋了紫外、可見、紅外；在同一套設備上實現多參數、寬光譜以及能量強度變化為7個數量級的精確測量。 -
A line integral of the second type changes sign when the direction of the integration path is reversed
當積分路徑改變方向時，第二類曲線積分改變符號。 -
Because there exists the different strength of coupling between the electron and phonon, there have some different ways, such as the perturbation theory, variation theory, green function theory and the feynman " s path integral approach. they can be appropriately used in different area
Frohlich極化子哈密頓中電子和光學聲子耦合強弱不同，有著不同的研究方法，諸如微擾論，變分法， green函數方法，以及feynman的路徑積分方法，這些方法處理問題的范圍是不同的。 -
Green " s theorem is employed to find the quantity relationship among the constraints of heating rate, dynamic pressure and lift in reentry flight. the paper deduced the approximate solution of the optimal aeroassisted coplanar trajectories under the three typical constraints. the performance index to be minimized are either heat input, the total dynamic pressure, time during the atmospheric flight, the time integral of the square of the path inclination ; or maximize the time of flight during the atmospheric portion of the trajetory. an important conclusion is firstly obtained : under the three constraints above, the optimal aeroassisted coplanar transfers with the first forth kinds payoffs have the same optimal control laws
採用格林函數法，給出了同一平面氣動力輔助變軌飛行的3種過程約束（氣動加熱率、動壓、升力約束）條件之間關系的近似定量描述形成的飛行包絡線.由此求解了航天器同時受3種約束條件時，各種性能指標下的同一平面氣動力輔助變軌軌跡的近似解及相應的最優控制規律.文中對近似解與控制規律的內部結構作了細致的分析，得到了一些有益的結論 -
The third chapter is the main work. we discuss how to deal with the polaronic effect by the feynman path integral
第三章作為論文的主題，我們詳細論述處理極化子理論的feynman路徑積分方法。 -
The aharonov - casher effect in the noncommutative space is considered. in order to obtain the shift in the interference pattern, we analyzed the path integral formulation
Ahoronov cosher主出， ahoronov cosher相位依賴于被中子圍繞的電荷密度，在這個意義上aharonov cosher效應是幾何的。 -
The line integral does not depend on the shape of the path, or on the position of the wire within it.
此線積分與路徑的形狀無關，也與路徑內導線的位置無關。
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