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飞行器采集系统路际串扰分析和研究

更新时间:2020-08-26 05:41:36 大小:1M 上传用户:守着阳光1985查看TA发布的资源 标签:飞行器采集系统 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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数据采集系统是飞行器遥测系统的关键组成部分,在高码率传输情况下路际串扰是十分重要的研究课题。针对采集系统的多参数快速切换,建立了动态等效电路模型,对出现路际串扰的机理进行理论研究和定量分析,提出了消除路际串扰的工程实现方法,搭建了硬件平台进行测试和验证。测试结果验证了路际串扰机理分析的正确性和工程实现方法的有效性,该方法可消除不同通道之间的路际串扰,提高遥测参数的采集精度。

The data acquisition system is the key subject for the aerocraft telemetry system. Multi-channel crosstalk is the significant subject under high bit-rate transmission. Aiming at the multi- parameter rapid switch of acquisition system, equivalent circuit prototype was introduced. The mechanism of multi-channel crosstalk is theoretically investigated and analyzed. The methods to avoid multi-channel crosstalk were proposed. The hardware platform were established to test and verify performance. Test results show that the mechanism of multi-channel crosstalk is correct and the engineering application methods are effective. The methods can decrease crosstalk from different channels, and improve acquisition precision of telemetry parameters.

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飞行器采集系统路际串扰分析和研究.pdf 1M

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