| 1. | Application of reduced finite difference time domain method to the prediction of electromagnetic interference 减缩时域有限差分法在电磁干扰预测中的应用 |
| 2. | The result is that time domain method is effective . and derive the fast flow to implement the estimation of doppler center on the platform 推导出时域法实现多普勒中心估计的快速算法流程,并且在并行处理平台上实现。 |
| 3. | Such as finite element method ( fem ) and finite differ ence time domain ( fdtd ) . fdtd is direct time domain method for solving maxwell ' s equations 因此,近年来发展了很多算法,如有限元( fem )和时域有限差分方法( fdtd ) 。 |
| 4. | An ultra - wideband ( uwb ) microwave imaging scheme with separated transmitter and receiver was investigated by using finite difference time domain method ( fdtd ) 摘要介绍了一种基于半球模型的早期乳腺癌超宽带微波成像检测方案。 |
| 5. | Two - dimensional photonic crystals with heterostructure is proposed . its band gap was calculated by the finite difference time domain method . the numerical analysis showed that the band gap is enlarged 摘要提出异质结构的二维光子晶体模型,用时域有限差分法计算其带隙,数值计算结果表明,其带隙宽度变大。 |
| 6. | For the long - span structure , artificial excitation has many abuses . so develop the method of time plane parameter identification has a great project meaning . eigensystem realization algorithm ( era ) is a excellent time domain method 特征系统实现算法( era ) ,是一种比较优秀的时域识别算法,已有研究结果表明,该方法在进行结构参数识别时是稳定可靠的。 |
| 7. | On computational methods in photonic crystal finite difference time domain method ( fdtd ) and plane wave expansion method ( pwe ) are widely used in calculation the dispersion relation of the photonic crystals 光子晶体计算方法的研究用于计算光子晶体的计算方法中,有限时域差分方法( fdtd )和平面波展开方法被广泛使用,我对这两种方法都有所研究,也有所突破创新。 |
| 8. | A time domain method of the simulating sar raw target signals is presented firstly , which can simulate accurately raw dates but burdens upper computational complexity . therefore , a frequency domain method with lower computational complexity is also proposed 因此,又给出了一种频域回波信号生成算法,该方法能够在满足一定条件下利用二维fft算法快速产生分布目标的回波信号,具有较高的计算效率。 |
| 9. | The used value of doppler centroid influence the imaging result very much , so it must be estimated precisely . the estimating methods contain time domain method and frequency domain method . time - frequency analysis method can be used to improve estimating precision 多普勒中心频率的取值对成像效果有很大影响,必须精确估计,估计方法有时域方法及频域方法,还可利用时频分析方法提高估计精度是。 |
| 10. | At last , taking advantage of the finite differential time domain method and it ' s perfect match layer absorbcfacient border , we got the energy distribution in a typical micro - disk laser and simulated the radiation between q value and the radius of the micro - disk 最后运用电磁场时域有限差分法( fdtd ) ,采用具有很好吸收效果的完全匹配层吸收边界,研究了典型微盘激光器的能量分布以及微盘的q值随微盘半径尺寸的变化。 |