例句與造句

1. Each orthonormal basis is a Parseval frame, but the converse is not always true.
2. It can be shown that the corresponding discrete shearlet system \ operatorname { SH } ( \ psi ) constitutes a Parseval frame for L ^ 2 ( \ R ^ 2 ) consisting of bandlimited functions.
3. Although a compactly supported shearlet system does not generally form a Parseval frame, any function f \ in L ^ 2 ( \ R ^ 2 ) can be represented by the shearlet expansion due to its frame property.
4. It's difficult to find parseval frame in a sentence. 用parseval frame造句挺難的