ID 原文 译文
743 然后利用最大池化(Maxpooling)网络压缩 CSI， and then uses the maximum pooling (Maxpooling)network to compress the CSI.
744 最后考虑到大规模 MIMO 信道存在空间相关性的特点，分别对单用户和多用户场景使用双向长短期记忆(Bidirectional Long Short-Term Memory，Bi-LSTM)网络和双向卷积长短期记忆(Bidirectional Convolutional Long Short-Term Memory，Bi-ConvLSTM)网络对 CSI 进行重构。 Finally, considering the spatial correlation of the massive MIMO channel, bidirectional long short-term memory (Bi-LSTM)networkand bidirectional convolution long-term memory (Bi-ConvLSTM)network are used for single-user and multi-user scenariosrespectively to recover the CSI.
745 本文利用大规模 MIMO 信道数据对所提的深度学习网络进行离线训练，该网络学习到的信道信息能充分表征信道的状态。 In this paper, the deep learning network is trained offline using massive MIMO channel data, the channel information learned by the network can fully characterize the states of the channel.
746 仿真结果表明，与已有的典型 CSI 反馈方法相比，本文所提方法反馈精度更高，运行时间更短，系统性能提升明显。 The simulation results show that compared with the existing typical CSI feedback methods, the proposed method has higher feedback accuracy, shorter running time and better system performance.
747 基于频差法原理实现顺序等效采样方法，将时域问题转化到频域进行处理， A new sequential equivalent sampling method is proposed based on the principle of frequency differencemethod, which transforms the sampling problem from time domain to frequency domain.
748 理论上分析其可行性，给出频率差值的计算方法，可以通过频差设计任意等效采样频率。 The feasibility of the proposedmethod is theoretically analyzed and also verified by an experimental circuit board, where the equivalent sampling frequecycan be set arbitrarily by changing the frequency difference.
749 经过电路板实验验证，该方法简化了步进延时系统的复杂度，降低延时路径上的引入的干扰，目前实现的最小步进延时为 1.71ps，最高顺序等效采样率约为 585GS/s。 This method simplifies the design of step delay system and re-duces the interference introduced in time delay path, making out the minimum step delay is 1. 71ps and the maximum se-quential equivalent sampling rate is about 585GS /s.
750 为了缩短基于频差法的顺序等效采样所需的总时间，提出了倍频采样时钟的技术。 In order to shorten the total time required for sequential equivalent sam-pling, a technique of frequency doubling sampling clock is proposed.
751 该方法可以扩展应用到许多等效采样的领域中。 The proposed sampling method can be widely used inother equivalent sampling systems.
752 分布式驱动电动汽车(Distributed Drive Electric Vehicles，DDEV)采用内嵌式轮毂电机，使各车轮独立可控，具有调节形式多样化等突出优点。 Distributed drive electric vehicles (DDEV)adopts in-wheel motor, which makes each wheel independently con-trollable. DDEV has advantages such as the diversified adjustment modes.