回波

• Receive to transmit echo loss
  接收至发射的回波耗损
• 3 . the algorithms for generating spaceborne sar raw signals are explored
  3 .讨论了星载sar回波信号生成算法。
• And you ' re headed back to boston
  你就回波士顿去
• And you ' re headed back to boston
  你就回波士顿去
• Research on methods of real - time simulation for rf echo signal of 3d targets
  体目标射频回波信号实时仿真方法研究
• Feature extraction and classification of ground penetrating radar echo signals
  探地雷达回波信号的特征提取和分类
• The calculation of ultrasonic echo parameter by gauss - newton iterative method
  超声回波参数的高斯与牛顿迭代法计算
• General rule of ultrasonic testing of metals by pulse echo technique
  用脉冲回波技术对金属材料进行超音波测检的通则
• D gradient echo imaging
  三维梯度回波成像技术