| 1. | Study on the superposing methods of multi harmonic wave source based on the matlaib power supply system
的供电系统多谐波源叠加方法的研究 |
| 2. | Based on the backward propagation concept , we evaluated the feasibility of reconstructing the image of elastic wave sources and scatterers
依据逆时传播的观念以评估重建弹性波源及散射体影像的可行性。 |
| 3. | At the end of this chapter , a new inciding wave source using in simulation regular waveguides by fdtd method is given ,
最后本文还用离散傅立叶变换方法给出了用于fdtd方法研究规则波导问题中的入射波源。 |
| 4. | Chapter 5 describes the principles and the calculating methods of the incident plane - wave source and the radar cross section ( rcs )
第五章说明的是平面波源的加入和雷达散射截面的计算，包括工作原理和实现方法。 |
| 5. | Avalanche diode is the traditional solid device to obtain millimeter wave source . the high order frequency multiply technology of avalanche diode is reported very scarcely
雪崩二极管是传统的毫米波固态功率源器件,但利用雪崩二极管实现高次倍频的研究却报道甚少。 |
| 6. | Three - component ( 3c ) seismic survey with p - wave source and 3c geophones has drawn much attention for its great success in identification of lithologies , fractures , and fluids
摘要纵波震源激发、三分量检波器接收的三分量地震勘探，因在岩性、裂隙和流体识别等方面获得成功，而备受关注。 |
| 7. | As for mm - wave radars , they generally require frequency sources of full - coherence 、 high spectrum pureness and frequency - agile ability 。 this task was carried out just aiming at high ? performance mm - wave sources
本课题即是为研制低相噪、低杂散、窄步进、捷变频的全相参毫米波频率源而开展的。 |
| 8. | By using the method of wave source distribution , sources were distributed along the boundary of the harbour , then by using the matching conditions of the inner and outer fields on the entrances of the harbour , the strength of the sources was calculated
利用源汇分布法，在港湾边界上布置源汇，并在入口处利用内外场的匹配条件，来求解置于港湾边界上的源强，进而求得港湾内的整个流场。 |
| 9. | First , we reviewed the finite - difference time - domain yee ' s method . the difference equations , the stability condition , numerical dispersion characteristics , absorbing boundary conditions , incident wave source conditions and the calculation of the frequency - dependent scattering parameters are discussed
首先本文回顾了时域有限差分yee算法，包括时域有限差分的差分方程、稳定性条件、数值色散特性、吸收边界条件，激励源的设置以及散射参数的计算等。 |
| 10. | Finite difference method can deal with regular boundary conditions . in this paper , we discrete the water domain into rectangular meshes , and simulate the propagation , reflection and diffraction of water waves . we just specify waves source , the movement of water waves can be simulated automatically
有限差分方法能够处理具有规则边界水域的水流现象，在本文中，我们把求解的水域离散成结构矩形网格，对水流的折射、反射、绕射等水流现象进行了动画模拟，我们仅仅指定产生水流动画的波源，水流动画的细节均由数值方法产生，不需要人工的干预。 |
