Background
Literature review
Methods
Random Koch curve algorithm
Fractional Brownian Motion algorithm
Weierstrass-Mandelbrot function algorithm
Algorithm improvement
Result and discussion
Simulation outcomes on marine radar simulator
Survey | Simulation method | Evaluation result |
---|---|---|
Part I | Conventional Method v.s. Random Koch Curve | 30 % v.s. 70 % |
Conventional Method v.s. FBM | 30 % v.s. 70 % | |
Conventional Method v.s. WMF | 33 % v.s. 67 % | |
Part II | Conventional Method | [2.00, 3.00, 4.00] |
Random Koch Curve | [3.00, 3.00, 4.00] | |
FBM | [3.00, 4.00, 4.25] | |
WMF | [2.00, 3.50, 4.00] |
Performance analysis of improved fractal algorithms
Algorithm | Iteration | Radar range (in NM) | |||||||
---|---|---|---|---|---|---|---|---|---|
6 | 5 | 4 | 3 | 2 | 1 | 0.5 | 0.25 | ||
Random Koch Curve | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
2 | 12 | 11 | 8 | 6 | 5 | 3 | 3 | 3 | |
3 | − | − | − | − | 8 | 7 | 6 | 5 | |
FBM | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | |
3 | 5 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | |
4 | 12 | 11 | 8 | 6 | 5 | 5 | 5 | 3 | |
WMF | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
2 | 31 | 25 | 11 | 8 | 7 | 5 | 4 | 3 | |
3 | − | − | − | − | 14 | 11 | 8 | 6 | |
Improved | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
Random Koch Curve/ | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
FBM/WMF | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |