• 1. ground echo: 地面回波 | 地物回波
• 2. ground-echo pattern: 地球反射波图样
• 3. heavy ground echo: 强烈的地面回波

更多释义

• 1.In this paper, a method of the active deception jamming to SAR is proposed depending on the principle of SAR and the model of ground echo.
  本文根据SAR成像原理和地面回波信号模型，提出了对SAR进行有源欺骗干扰的方法。
  dict.yoduao.com
• 2.FDTD(Finite Difference of Time Domain) algorithms applied in ground echo calculation at present have the disadvantages of slow speed or large errors.
  目前在超宽带地面回波计算中所使用的FDTD（时域有限差分）算法计算量较大或者存在较大误差。
  dict.yoduao.com
• 3.A detection method will let phased coded radar to detect such wideband doppler signal, whose result not only gives speed information, but also filters ground echo by speed as a anti-jamming measure.
  相位编码雷达可以采用一种检测方法实现对该宽带多普勒信号的检测，其结果不但可以指示速度，而且还可以作为速度选通的抗干扰措施。
  dict.yoduao.com

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