Abstract
Radar reconnaissance system requires the transmitter can simultaneously transmit many signals whose bandwidth, center frequency and other parameters can be configured in real time. The system requires the transmitter has the ability to transmit wide-band signals. Aiming at the actual demand, this paper proposes a reconfigurable nonuniform channelized radar transmitter system based on software radio technology. The system uses DDS as the signal generation source and achieve the simultaneous transmission of Multiple signals through the digital channelization technology, we deduce the poly-phase filtering channelized radar transmitter model. To deal with the cross-channel problem when generating wide-band signals, the paper proposes a nonuniform channelized technique to achieve the reconstruction of the signals to be transmitted. Finally, the corresponding MATLAB simulations are carried out to verify the correctness and feasibility of the transmitter system.
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Acknowledgement
This work is supported partly by National Natural Science Foundation of China under Grant No. 61301205 and No. 61571146, National Defense Based Science Research Program under Grant No. JCKY2013604B001. This paper is funded by the International Exchange Program of Harbin Engineering University for Innovation-oriented Talents Cultivation.
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Zhang, Wx., Yuan, Bh., Dou, Z. (2019). Reconfigurable Radar Transmitter Based on Nonuniform Channelization. In: Liang, Q., Mu, J., Jia, M., Wang, W., Feng, X., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2017. Lecture Notes in Electrical Engineering, vol 463. Springer, Singapore. https://doi.org/10.1007/978-981-10-6571-2_149
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DOI: https://doi.org/10.1007/978-981-10-6571-2_149
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