| ID | 原文 | 译文 |
| 12704 | 最后，从理论上证明了本文提出的GL-SVD 方法求解的模型是凸的，能够实现宽带信号DOA的精确重构。 | Finally, it is proved theoretcally that the model solved by the GL-SVD method preposed Jn this paper is convex and can acheve the precse reconstructon of wideband signal DOA. |
| 12705 | 为了准确地测量电磁脉冲(electromagnetic pulse, EMP)的波形,开展低频/甚低频(low- frequency/very lowHrequency, LF/VLF)EMP的形成和传播机理研究,识别不同EMP的特征,并以此为依 据来识别、确认雷电及核爆炸等现象,提出了一种高分辨率的EMP原始波形测量系统方案。 | In order to measure the waveform of electromagnetic pulse accurately, we studied the formation and propagation mechanism of low-frequency /very low frequency(LF/VLF) electromagnetic pulse, and Jdentfy the characterstcs of dfferent electromagnetc pulses, then use ths as a bass to Jdentfy and confirm lightning, nuclear explosion and other phenomena. A high-resolution original waveform measurement system of electromagnetic pulse is proposed in this paper, and an effective system calibration method for the lower frequency band of LF/VLF s proposed. |
| 12706 | 同时针对LF/ VLF这ー较低的频段提出了一套有效的系统标校方法,实现了对EMP的连续、准确测量和快速有效判别， 并能通过网络实时上传数据。 | The contnuous and accurate measurement, fast and effective discrimination and real-time data uploading can be realVed through the network. |
| 12707 | 系统采用正交环磁场天线和平板电容电场天线实现信号的接收，设计了低噪声高保真的信道调理电路和高速数据采集电路来实现信号的采集，利用高精度的授时模块为EMP信号标记时间戳，最后结合多点监测波形实现EMP定位估计。 | In this system, an orthogonal magnetic feld measurement antenna and a capacty plate antenna are used to recieve signals, a low noise and high fidelity channel conditioning circuit combined with high speed data acquisition circuit is used to collect signals, a high precision timing module is used to mark time stamp for electromagnetc pulse signal, and finally the electromagnetic pulse location estimation is realVed by combining the multipoint monitoring waveform. |
| 12708 | 实测结果表明：该系统能够给出高分辨率、高精度的 LF/VLF EMP波形，利用该系统组网可以实现远距离EMP源的定位，定位精度与目前近距离的定位手段相当。 | The field measurement resuts indi cate that the system can provide high resolution and high precision for LF and VLF electromagnetic pulse waveforms. The system can also be used to locate long-dstance electromagnetic pulse sources by networking, and the positioning accuracy is compar-able to the current short—range positioning methods. |
| 12709 | 通过长期的运行，验证了该系统具有高可靠、低失真、判别准确、实时性强等特点。 | Through long-term operation, it is also proved that the system has the characteristics of high reliability, low distortion, accurate discrimination, strong real-time and so on. |
| 12710 | 随着高速铁路近几年的迅猛发展，下一代交通技术也正渐渐突破桎梏。 | With the rapid development of the high-speed railway in recent years, the transformation of transportation technology is gradually breaking through the shackles. |
| 12711 | 当前制约轮轨高铁发展的关键因素是稠密大气，真空管道高速飞行列车是一种新型轨道交通技术，它突破了介质限制，利用磁浮技术可实现列车在接近真空的密闭管道中超高速（大于1 000 km/h）行驶。 | The dense atmosphere is the key factor restrcting the development of the wheel-rall high—speed railway. The high—speed vacuum tube flying train is a novel rall technology, which breaks through the restriction of the medium. The maglev train can run at ultra-high-speed (over 1 000 km/h) in the low-pressure metal tube close to the vacuum. |
| 12712 | 为解决列车运行在全封闭金属管道中，路边基站信号无法穿透管道壁与列车建立无线链路的问题，文中采用漏泄波导方式来实现管道内无线覆盖。 | As for the vehicle-ground communication, the base stations deployed along the tube can not establish the wireless link with the train side the tube due to the enclosed tube wall !thus the leaky waveguide is adopted to achieve wreless coverage inside the tube. |
| 12713 | 通过特殊的漏泄波导缝隙设计，使得漏泄电磁波在管道腔体内以柱面波形式向列车辐射，从而有效抑制超高速带来的极高Doppler频移。 | Through the special slots design of leaky waveguide, the electromagnetic wave radiates in cylindrcal waveform form, thus it can effectively restrain the extremely high Doppler frequency shift caused by ultra-high speed. |