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The results indicated that potential scan rate and step frequency played an essential role in the initiation and propagation of crack.
结果表明，电位扫描速度和电位阶跃频率对裂纹萌生与扩展有显著影响。
To improve the range resolution of Mono-Pulse Train (MPT), the linear step frequency signal is introduced and used widely in modern radars.
为了提高脉冲串信号的距离分辨力，曾有文献提出了对子脉冲的载频进行线性递增的方法。
This paper studies how to detect the moving targets on the land and sea surface in the background of clutters by using pulse-pulse step frequency radar.
研究了用脉间步进频率雷达对杂波背景噪声下地面或海面动目标的探测。
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