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多普勒信号调理机的设计

Design of Doppler signal conditioner
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摘要 在外场内弹道的试验中,火炮内弹丸运动参数测量的项目研究过程中发现,通过A/D采集卡采集到的多普勒微波雷达信号有时达不到软件处理信号的要求,针对这一问题的出现,设计了一个信号调理电路将接收到的差分信号转化为单端信号,并且带有增益可控的功能,对信号的幅度进行手动控制,达到提高信号的质量,便于对接收到的信号进行观测和分析。通过项目的具体试验把信号调理机用于实际的项目当中,通过分析信号的波形发现信号的质量在一定程度上有所改善,达到了预期的效果。 In the field of ballistic test,the artillery within the projectile motion parameters of the project research process found that through the A/D acquisition card to collect the Doppler microwave radar signal sometimes can not meet the requirements of software processing signals,the emergence of this problem.The design of a signal conditioning circuit will receive the differential signal into a single-ended signal,and with a gain control function,the signal amplitude of the manual control,to improve the quality of the signal to facilitate the observation of the received signal And analysis.Through the specific test of the project,the signal conditioner is used in the actual project,and the quality of the signal is improved to some extent by analyzing the waveform of the signal,and the expected effect is achieved.
作者 淮骞 苏新彦 Huai Qian,Su Xinyan(The North University of Laboratory, Key China of instrumentation Science & Dynamic testing of the Ministry of Education, Taiyuan 030051, China)
出处 《国外电子测量技术》 2018年第3期87-91,共5页 Foreign Electronic Measurement Technology
关键词 信号优化 多普勒信号 采集卡 A/D采集 signal optimization Doppler signal acquisition card A/D acquisition
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