Abstract
In order to solve the problem of fast acquisition of anti-jamming measurement and control signal in deep spread spectrum system combined with coherent fast frequency hopping, a frequency sweep and gliding correlation acquisition structure of coherent DS/FFH system is proposed. Meanwhile, the gliding correlation structure is improved by proposing a Partial Matched Filtering and Fast Fourier Transform (PMF-FFT) spread spectrum PN code gliding correlation algorithm. The PMF-FFT algorithm can reduce acquisition time and FFT point to meet the real-time processing requirements and a reasonable FFT point can be selected according to Doppler frequency offset to achieve the best acquisition effect. The acquisition structure has excellent acquisition performance under strong wideband jamming and the implementation complexity is very low.
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Acknowledgments
The work described in this paper was supported by the National Natural Science Foundation of China under Grant 61601027.
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Zhang, J., Liu, J., Liu, C., Xue, Y. (2019). A Novel Acquisition Structure for Deep Spread Spectrum System Combined with Coherent Fast Frequency Hopping. In: Liang, Q., Liu, X., Na, Z., Wang, W., Mu, J., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2018. Lecture Notes in Electrical Engineering, vol 515. Springer, Singapore. https://doi.org/10.1007/978-981-13-6264-4_10
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DOI: https://doi.org/10.1007/978-981-13-6264-4_10
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