Fourier transformation in time domain and frequency domain is one of the main methods for modern railway signal detection.
时域分析和傅氏变换的频域分析方法是现代铁路信号检测的主要方法之一。
The modern radar jamming and antijamming technology from airspace frequency domain and time domain, are introduced, and the methods despoiling information authority in modern war are analyzed.
分别从空域、频域、时域介绍了现代雷达干扰和抗干扰技术，分析了现代战争中夺取信息权的一些手段和方法。
The modern radar jamming and antijamming technology from airspace frequency domain and time domain, are introduced, and the methods despoiling information authority in modern war are analyzed.
分别从空域、频域、时域介绍了现代雷达干扰和抗干扰技术，分析了现代战争中夺取信息权的一些手段和方法。
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