1/n expansion

By utilizing the 1/N expansion technique(ONET), the analytical expressions of energy spectrum, deformation parameter and reduced matrix elements of E2 transition given from a consistent Q framwork in the sd interacting boson model are compared with the results of early theory of intrinsic state.

本文用1/N展開技術,對sdIBM中的自洽Q框架所給出的能量、形變參數、E2躍遷幾率等的解析式,和早期的內稟態理論的工作比較,給出了新的修正項。

The vibrator-rotor phase transition of ~(148-158)Sm has been studied by using the Approximate Analytic expression of the intrinsic States derived by the 1/N expansion technique.

用1/N展開技術給出的內稟態的近似解析表達式,研究~(148-158)SM的振動——轉動相

This paper applied the Boson 1/N expansion technique to study the energy spectra of the 6 tungsten isotopes and their reduced electromagnetic transition probability B(E_2).

用玻色子1/N展開技術研究了6個鎢同位素的能譜和約化電磁躍遷概率B(E2)。

Rapid development and forming simulation for deep drawing parts of orthotropic sheet metal;

正交異性板料拉深件快速展開與成形模擬

Mixed Mesh of Triangle and Quadrangle for Irregular Boundary Surface Development;

不規則邊界曲面的四邊形-三角形混合網格展開法

The development of a circular cone helicoids with the axis of cone surface and drawing in cad;

心軸為圓錐的錐形螺旋面的展開及CAD制圖

Research on development methods and application of CAD system of prac tical sheet metal expansion;

實用鈑金展開CAD系統的開發技術與應用研究

A frame expansion method of operator is used to the phase shift operator of split-step Fourier propagator.

針對裂步Fourier傳播算子在速度強橫向變化介質中的不足,將算子的框架展開方法應用于Fourier傳播算子中的相移算子,提出了一種波場傳播的局部裂步Fourier傳播算子,并把它應用于波動方程疊前深度偏移成像。

The channel model suitable for TDOA techniques is discussed, and the typical location TDOA algorithm, Taylor series expansion method, is analyzed.

討論適合于TDOA定位的信道模型,分析1種典型TDOA定位算法———Taylor級數展開法,并針對其收斂問題提出改進方法。

Deployment Testing of Inflatable Membrane Tube;

薄膜充氣管充氣展開特性試驗

Simulation analysis of deployment process of inflatable planar antenna structure;

充氣平面天線結構展開過程仿真分析

Simulation Prediction of Deployment Dynamics of Inflatable Solar Array;

充氣太陽能帆板展開動力學數值模擬預報