双回波的质子密度加权 proton density-weighted ; PDW
回波的文章 article by echo
固定目标的回波 fixedecho ; permanent echo
缺陷的回波信号 flaw echo
多次反射的回波 multiple reflection echo
一致的回波 consistent echoes
后波瓣接收的回波信号 back echo
的双回波 duel-echo ; DE
的回波时间 time echo
上面的表是一个回波的铜管，投光和转移的声音。
Above the table is an echo of brass pipes that cast light and deflect sound.
研究了一种基于非相参雷达目标回波的特征提取算法。
The method of radar target waveform feature extraction is studied based on non coherent radar target echo.
脉冲展宽特性是激光回波的重要特性，其影响到回波接收信噪比和测距精度。
As an important feature, the characteristics of echo stretching affects SNR of received laser echo signal and ranging accuracy.
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