准椭圆函数滤波器的传输零点，可以位于阻带内的任意位置处，这能更加灵活地对滤波器的带外抑制度进行调节，其矩形系数可以做得很高。

The transmission zeros(TZ) of Quasi-elliptic function filter could be placed in any position, so the attenuation out of band is controllable, then a high selection performance could get.

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记住这是我们的键轴，你可以看到在这些区域，波函数在这个面内全都是零，这是节点面。

Remember this is our bond axis here, and you can see there is this area where the wave function is equal to zero all along that plane, that's a nodal plane.

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最后讨论了零内尺度模型下归一化强度协方差函数随湍流强度的变化情况。

Finally, the variation of the normalized covariance function of intensity with different strengths of turbulence under zero inner model is discussed in detail.

youdao

Remember this is our bond axis here, and you can see there is this area where the wave function is equal to zero all along that plane, that's a nodal plane.

记住这是我们的键轴，你可以看到在这些区域,波函数在这个面内全都是零，这是节点面。

麻省理工公开课 - 化学原理课程节选