Research Article
Fractional Fourier Transform for Ultrasonic Chirplet Signal Decomposition
Table 3
Parameter estimation results of two heavily overlapped ultrasonic echoes.
| | (us) | (MHz) | | (MHz)2 | (MHz)2 | (Rad) |
| | Echo 1 | | | | | | | | Actual parameter |
2.7
|
6
|
1
|
20
|
55
| | | Estimated parameter |
2.70
|
6.11
|
0.97
|
18.87
|
53.79
|
0.72
|
| | Echo 2 | | | | | | | | Actual parameter |
3.0
|
5
|
1
|
25
|
20
|
0
| | Estimated parameter |
3.00
|
5.00
|
1.00
|
25.14
|
20.38
|
0.01
|
|
|
