So one can study the signal in some much lower-dimensional subspaces, specifically, some planes.

事实上，经过坐标变换，我们可以在维数更低的子空间（甚至是在平面上）来研究信号。

youdao

So one can study the signal in some much lower-dimensional subspaces, specifically, some planes.

事实上，经过坐标变换，我们可以在维数更低的子空间（甚至是在平面上）来研究信号。

youdao