wdf的音标

The expressions and tensor form coordinate transform matrix of the WDF ( WCTM) is given and expressed in terms of the ABCD ray transform matrix elements of the system.

给出了用系统的ABCD矩阵元表示的用于进行此坐标变换的表达式和等价的张量形式的WDF的坐标变换矩阵（WCTM）。

By using the Wigner distribution function ( WDF) method, the transformation properties of a Cosine-Gaussian beam in the fractional Fourier transform plane are studied.

利用Wigner分布函数的方法，研究了余弦-高斯光束的分数傅里叶变换特性。

Is based on the WDF to write a virtual disk drive, some memory with a virtual hard disk ( the actual silver does not exist).

是基于WDF写的一个实现虚拟磁盘驱动，用部分内存虚拟出一个硬盘（实际不存在的银盘）。