This is equivalent to an angular distribution of constituent plane waves.

这等价于各种成分的平面波的角分布。

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For a receiver antenna, the real target signal is basically of plane waves.

对接收天线而言，实际目标基本上是平面波。

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Under the approximation of second degree the solutions contain linear plane waves.

在二阶近似下，有线性平面波解。

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Early ideas suggested blunting the nose of the plane to prevent the pressure waves joining up to form one intense shock wave, or lengthening the plane without increasing its weight to dampen the noise.

CNN: Bang goes the sonic boom