User`s guide

FFT
5-175
Click here in the MATLAB Help Browser to open a Simulink model based on
the following diagram.
12 3
24 6
36 9
4812
10 20 30
22i+– 44i+– 66i+–
2– 4– 6–
2– 2i– 4– 4i– 6– 6i–
1234
10 2– 2i+2– 2– 2i–
1234,,,()
12 3
24 6
36 9
4812
10 20 30
22i+– 44i+– 66i+–
2– 4– 6–
2– 2i– 4– 4i– 6– 6i–
1234
Unoriented length-4 1-D vector input
Sample-based 4-by-3 output
Sample-based 4-by-3 output
Sample-based 1-by-4 output
Frame-based 4-by-3 input
Sample-based 4-by-3 nonrow input
Sample-based 1-by-4 row vector input
Compute FFT of the row
Compute FFT of the vector
Compute FFT of each column
Compute FFT of each column
Effects of Block Input’s Size, Dimension, and Frame Status on Block Output
10 2– 2i+2– 2– 2i–,,,()
Unoriented length-4 1-D vector output