The z-transform reduces to the Fourier transform when the magnitude of the transform variable z is unity .
A: 正确
B: 错误
A: 正确
B: 错误
举一反三
- Fourier transform can be used in image compression.
- Given the z transform [img=189x53]1803a2f394c6141.png[/img],then the inverse transform is___ A: a left-sided sequence B: a right-sided sequence C: a two-sided sequence D: an uncertain sequence
- 元素顺时针旋转45的正确写法是? A: transform:rotate(45deg) B: transform:rotate(-45deg) C: transform:rotate(135deg) D: transform:rotate(-135deg)
- 在Unity中,Transform组件可以随意手动添加、删除。
- 以下哪行代码可以将盒子放大2倍显示( )。 A: transform: scale(2); B: transform: scale(“2”); C: transform: rotate(2); D: transform: rotate(“2”);