Fig. 1. Basic calculation process of the dual-view collaborative clustering and ranking methods

Fig. 2. Relationship between the RF and the pulse TOA of the received data

Fig. 3. Relationship between the pulse AOA and TOA of the received data

Fig. 4. Relationship between the PW and TOA of the received data

Fig. 5. Schematic diagram of the instantaneous characteristics of the intra-pulse signal

Fig. 6. Schematic diagram of the dual-spectral characteristics of the intra-pulse signa

Fig. 7. Reduced dimensional distribution of the pulse characteristics for different radiation sources （reduced dimension=50）

Fig. 8. Distribution of the original basic signal feature data

Fig. 9. Clustering and sorting results for the data field grids

Fig. 10. Sorting results of the DBSCAN

Fig. 11. Results of the dual-view collaborative clustering and sorting methods

Fig. 12. Application of the evaluation metrics system to the clustering and ranking algorithms

Fig. 13. True distribution of segment 6 data based on view 1

Fig. 14. Initial clustering distribution of segment 6 data based on view 1

Fig. 15. First collaborative clustering results for segment 6 data based on view 1

Fig. 16. Second collaborative clustering results for seg-ment 6 data based on view 1

Fig. 17. Third collaborative clustering results based on segment 6 data from view 1