| 1. | Fxs terminal device based on ptd 终端的研究 |
| 2. | Ptd pan turnout piece delay 声像分支延时 |
| 3. | Interview with siemens ptd china general manager andreas matth 访西门子中国有限公司副总裁兼西门子输配电集团中国总经理马德先生 |
| 4. | The transmembrane activity of the ptd of tat protein fused at the carboxyl - terminus of gfp in vivo 端融合在活体体内的跨膜递送作用 |
| 5. | And then a hybrid technique combining ddm with eb - fem , po , and ptd is given for the analysis of electromagnetic scattering by electrically large bodies with deep cavities 在此基础上,将ddm与eb一fem 、物理光学法、物理绕射理论相结合,分析了带有深腔的电大尺寸三维导体目标的电磁散射特性。 |
| 6. | As one of the fastest growing business units among siemens ptd ' s operations in china , smvs is playing an active role in facilitating the sustainable development of china ' s electric power industry 作为西门子输配电在中国发展最快的业务部门之一,西门子中压开关技术(无锡)有限公司为推动中国电力行业的可持续发展扮演了重要的角色。 |
| 7. | Based on domain decomposition method ( ddm ) , a hybrid technique is presented for the analyses of electromagnetic scattering by electrically large bodies with deep cavities . it can alleviate the problem of memory units when applying fem alone to such objects 采用基于区域分解技术的fem用o一ptd方法,分析了带有深腔的三维电大尺寸导体目标的电磁散射特性,克服了单纯的fem / po一ptd方法分析带有电尺寸较大的深腔目标时,计算机内存无法满足要求的缺点。 |
| 8. | This paper mainly discusses the realization of the large complex targets electromagnetic scattering computation . high frequency scattering predication can accelerate electromagnetic simulation computation . this paper discusses electromagnetic scattering predication using physical optical ( po ) , geometrical optical ( go ) and physical theory of diffraction ( ptd ) 大电尺寸复杂目标的电磁计算存在数据存储量及计算量巨大的情况,使用高频估算方法可以明显提高电磁散射的仿真计算速度,本文主要研究物理光学高频电磁散射估算方法的实现。 |
| 9. | Depending on modern logistics concept with novel connotation , modern logistics professional software with perfect function , and modern logistics experts with high quality , shenzhen changyi logistics stock limited aims to offer top - notch modern logistics planning and integrated service for customers , which has being cooperated closely with singapore omnibz ptd ltd , many domestic logistics technology companies as well as the logistics academy of many key colleges and universities 深圳市长宜物流股份有限公司与新加坡安利科技有限公司omnibz pte ltd以及国内若干物流技术公司和重点高等院校物流研究所建立了紧密合作,以内涵新颖的现代物流系统专业理念功能强大的现代物流系统专业软件素养优良的现代物流专业人才,为客户提供一流的现代物汉系统规划与集成服务: |
| 10. | This technique combines the edge - based finite - element method with physical optics ( po ) and physical theory of diffraction ( ptd ) . the hybrid technique is applied to compute the scattering fields from the electrically large bodies with cracks and cavities on their surfaces . it is also used to analyze the scattering characteristics of microstrip antennas residing in a cavity mounted on metal objects with finite sizes 本文采用edge - basedfem为基本方法,结合物理光学法( po ) 、物理绕射理论( ptd ) 、边界积分方程( bi ) 、区域分解技术( ddm )和完全匹配层( pml )吸收边界条件等求解方法构成的混合方法,对电磁散射和辐射问题进行了研究,主要包括以下内容:提出了一种edge - basedfem与物理光学方法和物理绕射理论相结合的混合方法? fem po - ptd方法,并将该混合方法应用于带有腔体或槽缝的电大尺寸导体目标的电磁散射特性分析和位于有限导体目标上的背腔式微带贴片天线的电磁散射特性分析。 |