Low computational complexity PTS scheme for PAPR reduction in OFDM system 降低OFDM系统峰均功率比的低计算复杂度PTS方法
The numerical results exhibit a great saving in the computational efforts for the proposed integration scheme as compared with the Gauss-Legendre one. 数值结果显示所提出的积分方案在计算效率上比高斯-勒让德积分有大幅度提高。
A new computational scheme was developed to solve a three-dimensional model of a periodic flow reversal reactor by ADI alternating direction implicit method. 文中针对圆管式径向对称流向变换反应器三维模型,利用交替方向隐式方法(ADI)建立新的求解格式。
Traditional Holland method was applied to MRTD, and a scheme in MRTD was produced to calculate the EMP coupling of thin wire structures. The computational process of the scheme was presented as well as correlative parameters. 将传统Holland细线算法应用到时域多分辨分析当中,推导出了MRTD方法中对细线结构处理的一种算法,并给出了具体的计算步骤和相关参数的选取方法。
The computational results achieved by four-stage Runge-Kutta scheme and dual-time method were compared through numerical simulation unsteady harmonic oscillating flow around sphere-cone. 并针对球锥简谐振动过程,数值比较RungeKutta多步法和双时间法的计算精度。
By the new computational procedure, the optimum scheme of outflow from dam will be determined to decrease the influence of flood. 通过干支流大坝泄洪的演算,可确定大坝泄洪的优化方案,并减小对下游的影响,起到水库最优调蓄洪水的作用。
In cases where the space nodes involved were extremely limited in computational resources, a light-weight authentication scheme that provided integrity and confidentiality based on cryptographic hash functions and symmetric key cryptography was proposed. 当空间节点的计算能力有限时,设计了一个轻型的基于对称密钥算法和单向散列函数的认证协议,在提供保密性和数据完整性的同时大大减小了计算量。
A computational scheme of Runge-Kutta method is presented for Gr ü neisen state equation with adiabatic impact relation. 从Grüneisen状态方程、冲击绝热关系出发,给出求解相关微分方程组的Runge-Kutta法格式。
A computational scheme of different medium interfaces in the numerical simulation of flow interfacial instability 流体界面不稳定性数值模拟中不同介质界面的处理方法
In this paper, What is generalized is the use of reference atmosphere spectral model computational scheme ( or hydrostatic extension scheme) in medium-range numerical weather prediction, post-processing and data-assimilation, and long-range climate simulation in some meteorological organism at home and abroad. 本文概述了根据应用参考大气概念提出的参考大气谱模式计算格式(或称静力扣除法)在国内外一些气象机构的中期天气预报、后处理和四维同化、以及气候模拟中的应用。
To improve computational precision, the high resolution scheme QUICK 、 CUI and MUSCL scheme with TVD characteristic are employed to discretize the convective transport terms. 为了提高计算精度,纳入了高阶精度的QUICK格式,CUI格式,和具有TVD特性的MUSCL格式,均通过在一阶迎风格式的基础上引入附加源项的方法来实现。
The external wavenumber spectrum is defined and the computational scheme is presented. A method to determine the spectral width is also proposed on the use of optimization theory. 本文将外频谱转化为外观波数谱并设计了计算处理格式,提出了一种谱宽度参量的优化方法,为进一步研究海浪特征资料提取谱值和应用奠定基础。
Characteristics Computational Scheme of Numerical Wave Model Under Complex Topography Conditions 复杂地形下海浪数值模式的特征线计算格式
The computations show that numerical results of the full potential equation from a rotational difference scheme agree well with that from a simple difference scheme, but the range of computational Mach numbers for the first scheme is more wide. 完全位势方程旋转差分格式与简易差分格式得到的数值结果是一致的,但前者的计算马赫数范围为宽。提出混合元逼近位势方程,以提高电场强度的计算精度。
Therefore, a new mixed characteristics numerical computational scheme is proposed for the LAGFD-WAM numerical wave model and is applied in simulating the shallow water wave in this paper. 为此LAGFD-WAM海浪数值模式提出了一种新的特征线混合数值计算格式,并应用于浅水海浪数值模拟。
However, the computational workload of the 6th-order compact scheme is far beyond DRP scheme. 不过,数值计算表明紧致格式的计算量远远超过DRP格式,对计算机资源提出了较高的要求。
A computational scheme of horizontal pressure gradient in ocean models with σ coordinate system σ坐标系海洋模式中水平压力梯度的一种算法
Although Scheme B considers the condensation latent heat, the curvature of wet adiabat is not considered in the computational method. Scheme B is superior to Scheme A, but the errors are still large. B方案虽然考虑水汽凝结潜热,但计算方法没有考虑湿绝热线的曲率等问题,计算结果虽优于A方案,但误差仍较大;
A new secret splitting scheme is proposed based on a n dimensional vector space be decomposed into direct sum of A-invariant subspaces under a linear transformation A of V, security and computational complexity of this scheme are also analyzed. 基于n维向量空间V在它的一个线性变换A下分解成A-不变子空间的直和,提出了一种新的秘密分拆方案,并分析了这种方案的安全性及计算复杂度。
A computational scheme is presented to evaluate the dynamic stiffness and damping coefficients of the aerodynamic tilting-pad journal bearings by combining the partial derivative method with the equivalent coefficient method. 提出将偏导数法和折合系数法相结合来计算可倾瓦空气动压轴承的动态刚度和阻尼系数。
Difference method for probability density evolution equation of the stochastic structural response was studied. The computational performances of one-sided difference scheme and Lax-Wendroff scheme were discussed, respectively. 本文研究了求解随机结构静力反应概率密度演化方程的差分方法,分别探讨了单边差分格式和Lax-Wendroff格式的计算性态。
Parallel computational scheme for the manipulator forward dynamics based on the non-recursive formulation 基于非递推公式的机械臂正动力学的并行计算策略
A computational scheme well suited for various types of boundary conditions is derived and can be easily carried out by a computer. 推导出了适用于各种边界条件的统一格式,便于在计算机上实现。
Furthermore, application of batch verification de-creases the computational load. The proposed scheme is applied in e-cash system and e-voting system. 这种方案可以应用于电子现金系统和在线投票系统等。
The computational scheme and the basic idea of the Flux Corrected Transport ( FCT) method are studied in the paper. 阐述了通量修正输运法(FCT方法)的计算格式及其原理。
Using the technologies of DNA synthesis, DNA clone, PCR and DNA chip and the theory of computational complexity, an encryption scheme is formed. 利用DNA合成技术、DNA克隆技术、PCR扩增技术以及DNA芯片技术,结合密码学的计算复杂度理论,提出了一种基于DNA技术的加密方法。
A new computational scheme is proposed to achieve the prediction of the elastic properties of porous material based on mathematical homogenization method. The step of achieving homogenization conveniently is put forward. And the mechanical concept and interpretation of formulas of mathematical homogenization method are revealed. 提出了基于数学均匀化方法实现多孔材料等效性能预测的一种新计算格式,给出了通过商用软件快速实现均匀化的步骤,揭示了数学均匀化方法列式的力学意义和解释。
In the computational process, the semi-mixed Eulerian-Lagrangian scheme is adopted to track the transient free surface. 在时域计算过程中,我们采用半混合欧拉-拉格朗日方法追踪流体的瞬时水面。
For reducing the computational complexity, the distributed selecting scheme is also proposed to minimize the probability of one equivalent relay channel. 为了减少系统负担,又提出了最小化等效中继信道错误概率的分布式中继选择模式。
Furthermore, we use improved evidence theory to combine the selected sensing information, which can effectively reduce the computational complexity. The proposed scheme accomplishes excellent detection performance comparing with traditional evidence theory fusion rule. 而且,我们应用了改进的证据理论来合并所选择的感知信息,从而有效地降低了计算复杂度,相比于传统的证据理论融合准则,所提出的策略完成了更好的探测性能。