已知N*N的图像f(x,y)的傅立叶变换为F(u,v),则的傅立叶变换是:data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAALQAAAAgCAYAAAC7OlJnAAAJPElEQVR4Xu2bB6w9RRXGfyiIIkoHRZEA0gkqKGADqRFCExBQmgmiIBaK2AAFFCyggEqRGkCqVDVKCRBFE5RgBEORYlcsqNiVEsnPnIHNZsvs3b3vXl/uJP/k/97bnTlz5ptzvvPN7ALM2swD88gD
举一反三
- 已知N*N的图像f(x,y)的傅立叶变换为F(u,v),则傅立叶变换是: A: F(u-N,v-N) B: F(-u,-v) C: -F(u,v) D: F(u-N/2,v-N/2)
- 已知N*N的图像f(x,y)的傅立叶变换为F(u,v),则傅立叶变换是:
- 已知N*N的图像f(x,y)的傅立叶变换为F(u,v),则[img=155x28]17de91564112706.png[/img]的傅立叶变换是 A: F(u-N/2,v-N/2) B: F(u-N,v-N) C: F(-u,-v) D: -F(u,v)
- 已知N*N的图像f(x,y)的傅立叶变换为F(u,v),则[img=155x28]1803ac0ab8347a8.png[/img]的傅立叶变换是 A: F(u-N/2,v-N/2) B: F(u-N,v-N) C: F(-u,-v) D: -F(u,v)
- 【单选题】Which of the following matrices does not have the same determinant of matrix B: [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -1, 0, -9,-5] A. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 0; -1, 0, -9, -5] B. [1, 3, 0, 2; -2, -5, 7, 4; 1, 0, 9, 5; -1, 0, -9, -5] C. [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -3, -5, -2, -1] D. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 1; -1, 0, -9, -5]