The effect, called a light echo, has been unveiling never-before-seen dust patterns ever since the star suddenly brightened for several weeks in early 2002.
这种效应被称之为“回光”，揭示了自2002年初V838 Mon亮度在几周内突然增大后从未被观测到的尘云图案。
The inverse synthetic aperture radar (ISAR) echo signal model of fast-moving target and the effect of target fast-moving on ISAR signal processing were analyzed.
分析了高速运动目标的逆合成孔径雷达（ISAR）回波信号模型和目标高速运动对ISAR信号处理的影响。
The performance of the adaptive algorithm can directly affect the effect of the echo canceller.
自适应算法的性能直接影响着回波消除器的效果。
The results show that: (1) In order to improve the effect of adaptive filtering in acoustic echo canceling, the important path is to adopt new hardware and new algorithm.
回波消除中的自适应滤波研究结果表明：（1）由于受到硬件和自适应算法本身的制约，要从根本上提高回波消除中自适应滤波效果，选用新的硬件和新的算法是重要途径。
The influence of different incident Angle, different fractal dimension and shadowing effect on the Doppler spectra of the echo from the fractal sea surface is discussed in detail.
详细讨论了不同入射角和不同分维及遮蔽效应对分形海面散射回波多普勒谱的影响。
The inverse synthetic aperture radar (ISAR) echo signal model of fast-moving target and the effect of fast-moving character on ISAR signal processing are analyzed.
分析了高速运动目标的逆合成孔径雷达（ISAR）回波信号模型和高速运动对ISAR信号处理的影响。
Echo band consisting of convective clouds has different echo structure in different evolution stages. Water surface and mountains have an effect on it's evolution.
对流云回波带在初生、成熟和消散三个不同的演变阶段结构特征不同，下垫面对回波带的演变有一定的影响。
Based on the paired-echo theory, the effect of waveguide dispersion on performance of the wideband signal pulse compression was analyzed and the corresponding expression derived.
基于成对回波理论，针对波导色散对宽带信号脉压的影响进行了理论分析，推导出了具体的数学表达式。
But sometimes when a flimsy report, or even a rumor gets on tele-vision, there's going to be terrible "echo chamber" effect.
不过，有时候，不可信的传闻甚至谣言一旦上了电视，就会越传越讹了。
But sometimes when a flimsy report, or even a rumor gets on tele-vision, there's going to be terrible "echo chamber" effect.
不过，有时候，不可信的传闻甚至谣言一旦上了电视，就会越传越讹了。
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