Fig. 1. The flowchart of signal processing

Fig. 2. Peak graph m-sequence TCF

Fig. 3. Flowchart of SSA optimization of XGBOOST

Fig. 4. The value of fitness versus iteration number

Fig. 5. Comparison graph of predicted values and actual values

Fig. 6. Comparison graph of recognition results of peak detection,decision tree and XGBOOST

Fig. 7. Comparison graph of recognition results under different m-sequence orders