ID 原文 译文
52247 文章提出了一种面向5G前传承载技术要求的阵列波导光栅 (AWG) 双线性温度补偿装置。 This paper presents a bilinear temperature compensator structure which based on the Arrayed Waveguide Grating (AWG) chips for the forward load-carrying technology of 5 G.
52248 补偿装置由多根驱动装置组成，使得AWG芯片在不同的温度范围内出现不同的相对位移及有效补偿量。 The device composed of multiple drivers, which makes chips have different relative displacement and effective compensation in different temperature range.
52249 采用温度特性实验对全温度范围内中心波长变化量进行了分析， Temperature characteristic experiment is conducted to analyze the variation of central wavelength.
52250 结果表明，采用该装置可实现-40～85℃全温度范围内波长偏移量<40 pm。 The result shows that the wavelength offset during-40～ 85 ℃ can be achieved in 40 pm by using compensation device.
52251 另在测量高温高湿可靠性实验前后，器件各通道插入损耗、偏振相关波长及带宽指标可满足工业级环境要求，并取得了产业化成果转换。 In addition, the existing commercial devices are suitable for industrial environment and have achieved industrialization by measuring the insertion damage, offset and bandwidth of each channel before and after high temperature and high humidity reliability experiments.
52252 针对稀疏重构波达方向 (DoA) 估计方法的角度搜索范围较大导致算法复杂度较高的问题，文章提出一种基于快速傅里叶变换与稀疏重构相结合的DoA估计方法。 The computational complexity of the sparse reconstruction based on Direction of Arrival (DoA) increases with the search range of angle dramatically. To address this issue, this paper proposes a joint DoA estimation method based on Fast Fourier Transform (FFT) and sparse reconstruction.
52253 该方法首先解决了基于经典傅里叶变换的DoA估计方法只能估计出一半角度范围内来波方向的问题，改进后的方法能够估计出整个角度范围内来波方向粗略范围; Firstly, the method solves the problem that the DoA estimation method based on the classical Fourier transform that can only estimate the direction of the incoming wave within half of the angular range.
52254 然后在粗略估计角度的范围内利用稀疏重构的方法进行超分辨力角度估计，极大减少了角度搜索的范围、降低了计算复杂度。 Then, the improved method can estimate the rough range of the incoming wave direction over the entire range of angles which can be used to roughly estimate the angle.
52255 仿真结果表明，所提方法不仅能降低计算复杂度，而且在低信噪比和低快拍时角度误差较小。 Simulation results show that the proposed method can not only reduce the computational complexity, but also has less angular error at low signal-to-noise ratio and few snapshot.
52256 设计无人机自组网 (UANET) 媒体接入控制 (MAC) 协议时，需要考虑其控制开销和数据传输时延， In designing MAC protocols of Unmanned Aerial Vehicle Ad Hoc Networks (UANET) , control overheads and delay of data transmission have to be considered.