仪表着陆系统航向信标调制度差的仿真分析  

Simulation and Analysis on Difference in Depth of Modulation of Course Beacon in ILS

作　　者：武云云[1] 朱爱雅 米正衡[1] 

机构地区：[1]中国电子科技集团公司第二十研究所,西安710068 [2]解放军驻七八六厂军代室,西安710043

出　　处：《现代导航》2013年第6期420-424,共5页Modern Navigation

摘　　要：根据仪表着陆系统航向信标工作原理,建立了相应的数学模型,利用MATLAB工具实现了理想信道时仪表着陆系统航向信标的仿真。仿真结果给出了航向道偏差时接收到的信号波形以及调制度差,分析了标准航向道时干扰信号给调制度差带来的影响。According to the working principle of the course beacon in instrument landing system, relevant mathematic model was built up and simulation of the course beacon in instrument landing system under the ideal channel condition was realized by MATLAB tool. The receiving signal wave and difference in depth of modulation（DDM） when the course deviation occurs are gained by the simulation results, and the effect on DDM brought by the disturb signal under the condition of standard course is analyzed.

关 键 词：仪表着陆系统 调制度差 航向信标 MATLAB仿真 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]