pstd

The Analysis of Two Types of Absorbing Boundary Connection in PSTD Algorithm

用于时域拟谱算法的两种吸收边界分析

Study on the Dispersion Characteristics of PBG Structure Consisting of Anisotropic Medium by Using PSTD Method

各向异性媒质中光子带隙结构色散特性的时域伪谱法分析

Implementation and Analysis of the Perfectly Matched Layer Media with CFS for the PSTD Method

CFS-PML边界条件在PSTD算法中的实现与性能分析

Pseudospectral Time-Domain ( PSTD ) Algorithm and the Analysis of Its Absorbing Boundary

PSTD算法及其吸收边界分析

The application of PML and MUR absorbing boundary connection in PSTD algorithm was investigated .

分析和研究PML和MUR两种吸收边界在时域拟谱算法中的应用。

Standing-traveling Wave Boundary Condition for the PSTD Algorithm

驻波&行波边界条件在PSTD算法中的实现

Image reconstruction method based on time reversal mirror ( TRM ) and pseudospectral time domain method ( PSTD ) .

基于时间反转镜和时域伪谱方法的成像算法。

The PSTD method uses the Fourier transform to approach spatial partial derivative and use stagger grid in time marching .

时域伪谱法利用傅里叶变换逼近空间域偏导数，在时间域使用交错网格进行数值模拟。

Application of Weighted-total-fields technique in the PSTD Algorithm

加权总场法在PSTD算法中的应用

The Pseudospectral time-domain ( PSTD ) algorithm can be used to solve the scattering of the electrically large objects .

伪谱时域（PSTD）方法可以处理电大尺寸目标电磁散射问题。

This algorithm not only maintains accuracy and flexibility of PSTD for an accurate treatment of arbitrarily curved objects , but also improves stability and efficiency .

此算法不仅具有多区域伪谱时域算法分析任意曲边形体问题的精确性和灵活性，而且稳定性和效率也相应地提高。

Considering saving the computer memory and increasing the calculation speed , the Pseudospectral time-domain ( PSTD ) numerical method is more effective than the FDTD method .

从节约计算机内存和提高计算速度方面考虑，电磁场数值计算建议采用时域伪谱算法（PSTD）来代替时域有限差分法（FDTD），并进行了相应的比较和分析。

Compared to FDTD algorithm , pseudospectral time-domain ( PSTD ) algorithm uses the pseudospectral methods for the spatial derivatives of Maxwell 's equations .

与传统时域有限差分算法相比，采用以伪谱方法离散Maxwell微分方程为基础的时域伪谱（PSTD）算法计算大的电尺度电磁场时域问题，将大大提高计算效率，降低内存需求。

Good agreement between the calculated data using PSTD method and those from experiments or calculating by FDTD proves that PSTD is an effective method in the analysis of high power ultra wide-band ( UWB ) electromagnetic problem with electrical-large objects .

PSTD算法的数值模拟结果和实验数据或FDTD计算结果具有很好的一致性，验证了程序的正确，证明了采用PSTD分析高功率超宽带技术问题是一种行之有效的方法。

Hard connecting boundary is absent in the traditional pseudospectral time-domain ( PSTD ) algorithm . In this paper , a connecting region with 8 ~ 10 layers between total filed and scattering field is introduced on basis of Gao 's idea .

传统的伪谱时域差分（PSTD）方法中不存在硬连接边界条件，基于Gao等人的思想，在PSTD计算区域内设置8~10个网格层的连接区。

Because a fast Fourier transform algorithm is used to represent the spatial derivatives in pseudospectral time-domain method ( PSTD ), the spatial sampling rate of PSTD method is independent of the overall electrical size of the structure being modeled , which greatly reduces the spatial sampling rate .

伪谱时域方法（PSTD）因采用快速傅立叶变换算法求解空间微分，其空间网格采样率与总体尺寸无关，极大地减少了空间采样率。