该滤波器在基频处的幅值无衰减，相位无延时，能将2次以上的谐波全部滤掉。
The filter has no fundamental frequency decay and phase delay, and all harmonics above2nd order are filtered.
该方法使未知输入在故障发生前衰减到几乎处处为零，系统近似为无未知输入的标准系统。
This method can almost get unknown inputs attenuation to zero everywhere before the fault happening, then the system is approximately standard system without unknown inputs.
在海冰覆盖的条件下，PAR的观测结果与无冰海水的PAR有明显差别。由于海冰选择性的吸收，穿透海冰进入海洋的PAR组分已经不同，海水对PAR的衰减系数也会相应变化。
But under sea ice, the attenuation coefficient of PAR is little bit different, as the spectrum of the light has been changed by selective absorption through the sea ice.
应用推荐