Aiming at the characteristic of LFM radar signal,this paper analyzes the thoery of distilling instant frequency of LFM signal based on the means of instant phase firstly.
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- 文中針對線(xiàn)性調頻雷達信號的特點(diǎn),首先分析了基于瞬時(shí)相位法的線(xiàn)性調頻信號瞬時(shí)頻率提取原理,其次通過(guò)確定模糊值恢復了相位序列,實(shí)現提取線(xiàn)性調頻信號的瞬時(shí)頻率。