| Technology | ||
|---|---|---|
| DF based on antenna directivity | - Directional antenna maximum-signal DF | |
| - Monopulse DF | ||
| DF based on array antenna | Single channel | - Pseudo-doppler DF |
| - Beam-switching array | ||
| - Time modulated array (TMA) | ||
| - Phase comparison interferometer | ||
| Multiple channel | - Classical DF | |
| - Subspace DF | ||
| - Neural network, AI based DF | ||