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Due to the rapidly changing topology of vehicular ad hoc network (VANET), it requires the routing protocol can be able to find out comparatively more stable routes. But the routing protocols in existence are not taking the distinguishing features of vehicles and roadway into consideration, and this brought about challenges to these routing protocols' applicability in VANET. In this paper, we take...
Aiming at the properties of radar and infrared target, a new algorithm of radar and IR data fusion is proposed based on the angle of information through analyzing the application of ambiguity function in the multi-sensor data fusion algorithm. This algorithm can effectively strengthen the system robustness and improve the tracking precision. Simulation results show that the ambiguity function is superior...
Infrared images are widely used for many purposes. A recognition system of IR targets is essential for equipments that have to work in dark. In this paper, we proposed an IR image weak target recognition algorithm by discrete-time cellular neural network (DTCNN). We constituted an IR image weak target recognition system with DTCNN. The proposed method only requires a 3×3 neighborhood. We used a variable...
The present paper aims to provide an efficient Doppler estimation algorithm for the underwater acoustic communication. A maximum likelihood estimation (MLE) algorithm was derived from frequency offset. The MLE algorithm proposed in this paper estimated Doppler shifts by DFT or FFT, where a well-designed training symbol was used. Several pilot tones constituted the training symbol. The simulation results...
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