ID | 原文 | 译文 |
15055 | 并分析了缺陷数据集样本宽高比的差异性,设定锚框生成大小,结合DIoU-NMS建议框筛选机制以提升先验框与目标框的匹配率。 | It also analyzes the difference in the aspect ratio of the defect data set,sets the generation size of the aiming window,and combines the DIoU-NMS suggestion frame screening mechanism to improve the matching rate of the prior frame and the target frame. |
15056 | 实验结果表明,优化后网络模型的精确率与识别率均得到很大提升。 | Experimental results show that the accuracy and recognition rate of the optimized network model have been greatly improved. |
15057 | 针对卫星L波段通信转发系统的要求,设计了一种新型星载L波段宽带高增益圆极化微带天线。 | In response to the requirements of satellite L-band communication and forwarding systems, a novel type of satelliteborne L-band broadband high-gain circularly polarized microstrip antenna is designed. |
15058 | 微带天线整体采用侧馈的馈电方式,采用H型缝隙耦合馈电方式以实现宽频带,采用威尔金森移相功分器实现两信号间相位差来满足圆极化,增加天线背部反射板和板间泡沫层以提高增益并稳固结构。 | The microstrip antenna adopts a side-fed feeding method as a whole,adopts an H-shaped slot coupling feeding method to achieve a wide frequency band,and uses a Wilkinson phase shift power splitter to achieve the phase difference between the two signals to meet the circular polarization,and add the antenna back reflector and foam layer between the boards to increase gain and stabilize the structure. |
15059 | 通过电磁仿真软件分析可得:在中心频点1.45 GHz处增益为8.3 dBi,轴比为0.7 dB,增益大于7.5 dBi且回波损耗小于-10 dB时相对带宽为23.5%。 | Through the analysis of electromagnetic simulation software,it can be obtained that the gain is 8.3 dBi at the center frequency point of 1.45 GHz,the axial ratio is 0.7 dB,the relative bandwidth is 23.5% when the gain is greater than 7.5 dBi and the return loss is less than-10 dB. |
15060 | 天线加工实测结果与仿真结果基本一致,对L波段无线通信系统设计有一定指导意义。 | The actual measurement results of the antenna processing are basically consistent with the simulation results, which have certain guiding significance for the design of the L-band wireless communication system. |
15061 | 设计了一种基于多层硅转接板堆叠的垂直互联结构,对DC-60 GHz频段内不考虑和考虑硅表面SiO2层的两种层间结构的垂直互联仿真结果进行对比,证明了硅表面SiO2层存在会对谐振频率及阻抗等射频性能产生影响。 | A vertical interconnection structure based on a stack of multi-layer silicon interposer boards is designed.The simulation results of the vertical interconnection structure of the two interlayer structure not considering and considering the SiO2 layer on the silicon surface were compared in the DC-60 GHz frequency band. The existence of the SiO2 layer has an impact on the radio frequency performance such as resonant frequency and impedance. |
15062 | 对后者垂直互联结构进行参数优化,射频传输性能较好,频率40 GHz以下时回波损耗S11小于-30 dB,60 GHz以下整体S11小于-15 dB,插入损耗S12在50 GHz以下大于-0.32 dB。 | The parameters of the latter vertical interconnection structure are optimized,its RF transmission performance is good,and the return loss S11 is less than-30 dB when the frequency is below 40 GHz,the overall S11 is less than-15 dB below 60 GHz,and the insertion loss S12 is greater than-0.32 dB below 50 GHz. |
15063 | 研究了硅表面SiO2绝缘层厚度变化对射频信号传输性能的影响,结果表明适当增加其厚度有助于垂直互联结构性能优化。 | This paper simulates and analyzes the influence of the thickness of SiO2 insulation layer on the silicon surface on the transmission performance of the radio frequency signal.The results show that appropriately increasing thickness of SiO2 insulation layer can help optimize the performance of the vertical interconnection structure. |
15064 | 设计了一种应用于无线侦收系统的小型化超宽带接收组件,在有限的体积内集成了两路变频接收通道、两个本振源及一个校准源。 | A miniaturized ultra-wideband receiver module is designed for electronic reconnaissance system in this paper. The receiver module contains two down-converter receiving channels, two LO synthesizers and a self-checking circuit in limited area. |