ID |
原文 |
译文 |
13344 |
应用该系统测试HEMP模拟器的电磁脉冲环境,并与电场测量结果进行了比对和验证,结果与理论相符,该系统具备HEMP模拟器产生的快前沿脉冲磁场的测量能力,同时可推广应用于其他强脉冲磁场测量。 |
The measuring system is used to measure the magnetic field generated by a HEMP simulator. It shows that the system can measure pulsed magnetic field with fast risetime, and it can also be applied to measure other pulsed magnetic field with high magnitude. |
13345 |
低频脉冲磁场是一种常见电磁干扰源,可以在雷电放电、地面核爆炸及生产生活等多种活动中产生,具有低频、低阻和时变等多重特性,可通过直接穿透和磁电感应作用于计算机系统上,对其产生干扰或毁伤。 |
The low-frequency pulsed magnetic field is a common source of electromagnetic interference, which can be generated in various activities, such as lightning discharge, ground nuclear explosion and production and life. It has multiple characteristics, such as low frequency, low resistance and time variation, so it can be applied to computer systems through direct penetration and magnetoelectric induction, and creates interference or damage. |
13346 |
为确定低频脉冲磁场对计算机系统的效应规律,文章利用螺线管脉冲磁场模拟装置,开展了低频脉冲磁场作用下联想品牌计算机(包括2款台式机和一款笔记本)效应的试验研究,得到了扰乱阈值和效应规律,分析了磁场特征参数与效应现象的关系,并与相关研究成果进行了对比。 |
In order to determine the effect law of low-frequency pulsed magnetic field on computer system, the effect experiment of low-frequency pulsed magnetic field on the Lenovo brand computers(2 desktop models and 1 notebook model) were carried with solenoid pulsed magnetic field simulation device. |
13347 |
其中脉冲磁场上升时间在数μs至数百μs之间,磁感应强度最大约70 mT。 |
The pulsed magnetic field rise time is between several and hundreds of microseconds, and the maximum magnetic induction intensity is about 70 mT. |
13348 |
研究结果符合理论预期,并与现有成果逻辑关系一致,可为计算机系统及相近设备的低频脉冲磁场防护提供参考和依据。 |
The results are in accordance with the theoretical expectation and the logical relationship of the existing results. It can provide reference and basis for the protection of low-frequency pulsed magnetic field in computer systems and similar equipments. |
13349 |
设计了一种应用于平方公里中频孔径阵列的双极化超宽带锥削槽天线。 |
A dual-polarized ultra-wideband tapered slot antenna for a square kilometer Intermediate frequency aperture array is designed. |
13350 |
该天线采用五边形谐振腔代替传统锥削槽天线的正方形谐振腔,在不占用有源电路面积的情况下,拓展了低频工作带宽。 |
The antenna adopts a pentagon resonator instead of the square cavity of the conventional tapered slot antenna, and expands the low-frequency working bandwidth without occupying the active circuit area. |
13351 |
采用辐射板与馈电巴伦分离设计,在不影响天线电性能的前提下,极大地缩小了介质板尺寸以节约加工成本。 |
The radiant panel and the feed balun are separated designed, thus, the size of the dielectric plate can be greatly reduced to save processing cost, and the electrical performance of the antenna can be maintained. |
13352 |
天线加工成十字形结构以实现阵元间良好的电流连续性和不恶化天线的极化性能。 |
The antenna is processed into a cross-shaped structure to achieve good current continuity in the array elements and not deteriorate the polarization performance of the antenna. |
13353 |
仿真结果显示,该天线能够在0.25~1.57 GHz带宽内进行±45°扫描,且在整个工作频带内具备较好的极化特性。 |
The simulation results show that the antenna can scan in the bandwidth of 0.25-1.57 GHz and has better polarization characteristics in the whole working frequency band. |