【作者】 周洋； 宋茂忠；

【Author】 ZHOU yang,SONG Mao-zhong Nanjing University of Aeronautics and Astronautics,Nanjing,210016

【机构】 南京航空航天大学信息科学与技术学院；

【摘要】 为了设计通信与跟踪综合发射源,本文提出了一种基于面天线的多波束调制方案。其思想是在发射端直接把经过抛物面锐化的多波束天线方向图函数调制到信号空间中去,调制信号同时包含通信信息和方向信息,接收端只需通过单天线接收机就可以解调信号,实现数字通信和方向估计。本文给出了多波束天线的结构、信号的编码调制方法及解调算法,并仿真了通信误码率和测向性能。更多还原

【Abstract】 In order to design transmit sources for integrated systems of communication and tracking,we propose a multi-beam modulation scheme based on reflector antenna.The main idea is to modulatethe multi-beam patterns which is sharpen byreflector antenna to the signal space at the transmitting terminal,then the transmitting signal contains digital communication and tracking information simultaneous.The single-antenna receiver could accomplish communication and tracking by demodulating signals in the beam-space.This paper presents the design of multi-beam antenna,the way of signal coding and modulation,and the algorithm of demodulation.The performances of bit error rate and tracking in Gaussian channel are investigated at the end of the paper.更多还原