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- 接著(zhù)推導出在多用戶(hù)環(huán)境下基于標準高斯近似(Standard Gaussian Approximation，SGA)假設的各種IR-UWB系統的誤碼率和MUI特征。Third, based on the hypothesis of Standard Gaussian Approximation (SGA) in the environment of multi-users, this paper derives the bit error rate (BER) expressions.
- 結合一階平均球近似(First-order mean-spherical approximation,FMSA)與重整化群(Renormalization group,RG)變換計算了流體全局性相行為.The First-order mean-spherical approximation (FMSA) was combined with renormalization group (RG) transformation and applied to global phase behavior calculation.
- DORA(double order approximation)方法是近年提出的求解動(dòng)力學(xué)方程的一種算法,對于圣維南方程采用DORA算法時(shí),方程被分解成兩步來(lái)解,每一步均求解一個(gè)簡(jiǎn)單的微分方程組.The DORA(double order approximation) approach is used for solving dynamic equations in recent years. Under the DORA approach,the Saint-Venant equations are divided into two simple differential equations sequentially;
- 運用廣義梯度密度泛函理論(Generalized Gradient Approximation,GGA)的PBE(Perdew-Burke-Ernzerh)方法結合周期性平板模型,研究了氯氣分子和氯原子在CuCl(111)表面上的吸附。The adsorption of Cl_2 molecule on CuCl(111) surface has been studied with periodic slab model by Perdew-Burke-Ernzerh (PBE) approach of the generalized gradient approximation (GGA) within the framework of density functional theory (DFT).
- 應用二階微擾理論, Duh-Mier-Y-Teran 狀態(tài)方程和在平均球近似(mean spherical approximation, MSA)的基礎上獲得的直接相關(guān)函數, 建立了適用于均勻流體和非均勻流體的狀態(tài)方程.An equation of state (EOS) applicable to both the uniform and non-uniform fluid was established using the second-order perturbation theory, the Duh-Mier-Y-Teran EOS and the direct correlation function obtained by mean spherical approximation (MSA).
