基本解釋非線性調(diào)頻同根派生 NLFM相關詞英漢例句This paper uses iteratively reweighted least square method to design pulse compression filters,which is applicable to biphase code:polyphase code,LPM and NLFM signals. 本文使用迭代加權最小二乘法設計脈沖壓縮濾波器,適用于二相碼和多相碼,LFM和NLFM等各種信號。At last,an example of IF unit of radar echo generator system based on DDS is presented.This signal unit can generate radar IF echoes including general pulse,LFM,NLFM,PSK. 最后給出了一個基于DDS的雷達多目標模擬系統(tǒng)中頻單元的設計實例,該單元可以靈活生成包括常規(guī)脈沖、線性調(diào)頻、非線性調(diào)頻、相位編碼在內(nèi)的雷達中頻回波信號,為被試雷達提供較為全面的測試環(huán)境。In this paper, a multi-mode signal generation system based on high speed ECL digital circuits is introduced.The method to design LFM and NLFM signal systems is also discussed. 該文給出了一種基于高速ECL數(shù)字電路的寬帶多模信號產(chǎn)生系統(tǒng),并簡要介紹了線性調(diào)頻(LFM),非線性調(diào)頻(NLFM)信號產(chǎn)生系統(tǒng)的設計方法。In order to meet the requirement of various radars,we have designed several groups of signals,which include LFM,NLFM and polyphase codes, and have different compression ratios such as 45,60,75,95. 據(jù)多種雷達工作的實際需要,我們分別設計了壓縮比為45、60、75、95的線性與非線性調(diào)頻信號及幾種多相碼信號。non-linear frequency modulation (NLFM) 非線性調(diào)頻(NLFM)NLFM更多例句