宇航计测技术

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DRFM在高度信号模拟中的应用及关键技术研究

李尚生1；张军1；陈佳林1   

  1. 1、海军航空工程学院电子信息工程系，山东烟台 264001
  • 出版日期:2013-10-15 发布日期:2013-10-15

Research on the Key Technologies for Applications of DRFM in Simulating Altitude Signal

LI Shang-sheng1；ZHANG Jun1；CHEN Jia-lin1   

  1. 1、Department of Electronics and Information Engineering, Naval Aeronautical and Astronautical University, Yantai, Shandong 264001
  • Online:2013-10-15 Published:2013-10-15

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摘要： 介绍了一种无线电高度表高度信号模拟方法，该方法利用DRFM能复制射频信号细微特征的技术特点，实现了模拟高度的连续可调和在高度信号上叠加干扰信息，重点介绍了采用的采样数据循环存储技术、数字噪声调制技术和多目标产生技术等关键技术。

关键词: 数字射频存储, +无线电高度表, +循环存储, +假目标干扰信号

Abstract: The way to simulate the altitude signal for radio altimeter is discussed in the paper. Because the DRFM can copy the fine characteristic of signal, it can be used to simulate the altitude signal which the altitude volume can be adjusted continuously and the jamming signal can be added to it. As important, many key technologies are discussed in the paper, such as dater cyclic storage technologies, digital noise modulation technologies and false target interference signal technologies etc.

Key words: DRFM, +Radio altimeter, +Cyclic storage, +False target interference signal

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