雷达通信一体化、线性调频、时频联合同步、Costas环相比于传统的单一的雷达或通信设备,雷达通信一体化系统具有易集成,小型化,高谱效等优势,其中基于线性调频的一体化信号的系统方案应用广泛.在一体化系统通信功能实现方案中,传统的同步技术会降低通信速率.针对这一问题,设计了一种包含两类线性调频载波的一体化信号,并利...
Compared with traditional radar or communication devices, the integrated radar and communication system is easy to be integrated and smaller with higher spectrum efficiency, in which the linear frequency modulation ( LFM) based integrated system is widely used. In term o...
本发明公开了一种LFMMPSK雷达通信一体化系统的时频联合同步方法和装置,属于雷达通信领域,所述方法包括:S1:发射携带调频斜率相反的同步载波和信息载波的一体化波形;S2:利用获取的接收信号估计正,负调频斜率同步载波各自的起止位置;S3:基于起始位置设置若干不同时间起点的正,负调频参考信号;S4:将正,负调频参考信号与...
信道盲估计盲Turbo均衡为提高水声多进制相移键控(Multiple Phase Shift Keying,MPSK)信号盲解调过程中的信道失真补偿能力,提出一种利用水声线性调频(Linear Frequency Modulation,LFM)信号进行信道盲估计的水声MPSK信号的盲Turbo均衡方法.该方法利用水声通信的前导LFM信号进行信道参数盲估计,估计结果作为软干扰抵消的最小...
信道盲估计盲Turbo均衡为提高水声多进制相移键控(Multiple Phase Shift Keying,MPSK)信号盲解调过程中的信道失真补偿能力,提出一种利用水声线性调频(Linear Frequency Modulation,LFM)信号进行信道盲估计的水声MPSK信号的盲Turbo均衡方法.该方法利用水声通信的前导LFM信号进行信道参数盲估计,估计结果作为软干扰抵消的最小...
Single-Channel Blind Separation of MPSK and LFM Interference Using Genetic Particle Filtering. LUWei,ZHANG Bang-ning,LU Xi-ping. Proceedings of the Third International Conference on Information Science and Technology . 2013摇LUWei,ZHANG Bang-ning,LU Xi-ping. Single-Channel Blind Separation of MPSK...
非合作水声信号线性调频信号盲解调在浅海条件下,复杂多变的信道导致非合作水声信号在解调时遇到很多困难.线性调频信号常作为水声通信的导频信号,通过对导频信号进行参数估计和数据处理,可提取信道参数信息并用于信号解调.浅海中接收的非合作水声信号受到多径效应,脉冲噪声的严重影响,论文给出了一种基于线性调频信号分析与...
Single-Channel Blind Separation of MPSK and LFM Interference Using Genetic Particle Filtering. LUWei,ZHANG Bang-ning,LU Xi-ping. Proceedings of the Third International Conference on Information Science and Technology . 2013摇LUWei,ZHANG Bang-ning,LU Xi-ping. Single-Channel Blind Separation of MPSK...
Xiao-Jun Chen, Yang Zhang, Bin Tang, and Jing-Jing Du, "Single Channel MPSK Signal And LFM Signal Separation Using Particle Filtering", In Proceeding(s) of the ICCS 2008 on Communication Systems, pp. 870-874, 2008.CHEN X J,ZHANG Y,TANG B,et al.Single channelMPSK signal and LFM ...