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The Realization of Random Frequency Modulation Pulse Compression Signal Based on AD9858

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Abstract:

A scheme producing non-linearity frequency-modulated signal which can be updated on-line based on AD9858 is mentioned. A method to design NLFM signal using immediate data update is introduced. Circuit structure is designed. Major factor that impacting data is analyzed and its solution is presented. Experiments certify that this method can generate broadband and narrow pulse width non-linearity frequency-modulated signal, whose frequency spectrum can be updated on-line in real time.

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Info:

Periodical:

Applied Mechanics and Materials (Volumes 427-429)

Pages:

2022-2024

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.427-429.2022

Citation:

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Online since:

September 2013

Authors:

Shi Zhao Huang*, Yong Feng Liu, Zhe Wei

Keywords:

AD9858, Frequency-Modulation, Non-Linearity

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Сopyright:

© 2013 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

References

[1] Jianhui Wu, Bin Yang, Jingcheng Xiang. Performance Analysis and Nonlinear Frequency Modulation Pulse Pressure Signal of High Time Bandwidth Product. Signal Processing, Vol. 17, No. 2.

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[2] Xiaoming Wang, Zhehua Wang. Implementation of NLFM Based on AD 9954 Chip. Aerospace Shanghai, No. 3. (2007).

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[3] Wang Gao, Longhai Yao. Simulator design of Complex radar signal Based on AD9858 DDS Chip. Shipboard Electronic Countermeasure, Vol. 32, No. 4.

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[4] AD9858 Data sheet. Analog Devices. (2003).

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