ID 原文 译文
14675 仿真结果表明,与传统PI算法相比,改进算法在期望方向形成自适应波束,获得的信干噪比增益和信噪比增益高出约9.6 dB,较好地改善了信噪比恶化问题。 Simulation results show that，compared with the traditional PIalgorithm，the improved algorithm forms an adaptive beam in desired direction，and both the SNR gain andsignal－to－interference plus noise ratio( SINR) gain obtained are about 9．6 dB higher．The improved algorithm has a better performance in solving the problem of SNR deterioration
14676 针对复杂环境下的室内高精度定位需求,提出了一种超宽带和惯导融合定位方案。 In order to improve the indoor positioning technology in complex environments，the position estimation process combining ultra－wideband( UWB) and inertial navigation positioning can be divided intothe characteristics of time series prediction．
14677 结合位置估计过程可被划分为时间序列预测问题的特点,提出了一种基于长短时记忆(Long Short Term Memory,LSTM)网络的联合定位算法,并对其总体架构设计、数据预处理方法、网络结构设计、模型训练方法进行了研究。 The joint positioning algorithm of the network based on longshort term memory( LSTM) is proposed，and its overall architecture design，data preprocessing method，network structure design and model training method are studied．
14678 在此基础上,通过仿真和实测实验对联合定位算法进行验证,实验结果表明,该LSTM神经网络联合定位算法的定位精度优于传统TOA(Time of Arrival)、UKF(Unscented Kalman Filter)联合定位算法,适用复杂室内定位。 On this basis，the joint localization algorithmsare validated by simulation and actual experiments．Experimental results show that the positioning accuracyof the LSTM neural network joint positioning algorithm is superior to that of the traditional time of arrival( TOA) and unscented Kalman filter( UKF) ，and is suitable for complex indoor positioning．
14679 现代卫星通信系统为满足传输速率和加密等要求,采用了多种复杂或高阶复合调制信号。 For meeting the requirements of transmission rate and encryption，modern satellite communication system adopts a variety of complex or high－order composite modulation signals．
14680 为实现各类调制信号的检测与识别,信号之间不同类型谱的谱线分布是重要特征之一。 In order to detect and recognize all kinds of modulation signals，the spectral line of signal is one of the important characteristics．
14681 在介绍常见通信卫星调制信号在不同类型谱下的冲激谱线特征基础上,提出了一种基于线性调频Z变换的冲激谱线检测方法,消除了离散频谱"栅栏效应"对检测值的影响。 According to introduction to the characteristics of impulse spectral lines of common satellite signals in differenttypes of spectrum，an impulse spectral line detection method based on Chirp － Z transform is proposed，which eliminates the influence of discrete spectrum“fence effect”on the detection．
14682 通过高次方谱和分数低阶循环自相关谱的区域谱线检测方法,构建特征向量进行分类设计,实现对常见通信卫星调制信号的分类识别。 Then，the feature vectorfor classification is constructed through the method of regional spectral line detection in high order spectrumand fractional low－order cyclic autocorrelation function．
14683 该算法在低信噪比、未知码元速率等先验信息的情况下具有较好的识别效果。 This algorithm has high recognition performance inthe condition that the signal － to － noise ratio is low and the symbol rate and other prior information isunknown．
14684 在Link16信号侦察中,Link16信号的检测识别是实现信号分选的基础和关键。 In reconnaissance of Link 16 signal，detection and recognition of Link16 signal is the basis andkey to achieve signal sorting．