首页> 外文会议>2012 international conference on system simulation >A MODEL SIMULATION AND KEY TECHNIQUE ANALYSIS ABOUT DIGITAL ANTENNA TRACKING BASED ON SPREAD SPECTRUM SYSTEM
【24h】

A MODEL SIMULATION AND KEY TECHNIQUE ANALYSIS ABOUT DIGITAL ANTENNA TRACKING BASED ON SPREAD SPECTRUM SYSTEM

机译:基于扩频系统的数字天线跟踪模型仿真与关键技术分析

获取原文
获取原文并翻译 | 示例

摘要

Compared to traditionally using the "Chirp" signal, a new antenna tracking method based on Direct Sequence Spread Spectrum(DSSS) is proposed. Two PN sequences with good orthogonality are applied for the quadratic modulation of baseband signals (GPS information). The new method brings not only Gain of Spread Spectrum, but also a capability of data transfer for GPS Information. The former ensures antenna fast capturing the target, while the latter can be used in digital tracking. A number of flight tests demonstrate that the new antenna tracking method brings much more reliability.
机译:与传统的“ Chi”信号相比,提出了一种基于直接序列扩频(DSSS)的天线跟踪新方法。将具有良好正交性的两个PN序列应用于基带信号(GPS信息)的二次调制。新方法不仅带来了扩频增益,还带来了GPS信息的数据传输能力。前者可确保天线快速捕获目标,而后者可用于数字跟踪。大量的飞行测试表明,新的天线跟踪方法带来了更高的可靠性。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号