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Abstract
With the application of compressed sensing theory, Nyquist folding receiver achieves a full-band reconnaissance with a low sampling rate. Based on this structure, we introduce the synchronization mechanism and take the form of binary phase shift keying signals as the digital local oscillator. The synchronization information is used to estimate the parameter of frequency agile signals through zoned conjugate matching. Simulations show that the probability of correct estimation of Nyquist zone is higher than 90% when signal to noise ratio is equal to or greater than −9 dB.
Additional information
Notes on contributors
Xiaodong Zeng
Xiaodong Zeng received BS from Chongqing University in 2009. Now, he is MS candidate in School of Electronic Engineering, University of Electronic Science and Technology of China. His research interests include signal detection, parameter estimation and recognition.
E-mail: [email protected]
Deguo Zeng
Deguo Zeng received BS from UESTC in 2007. He is currently pursuing for PhD in School of Electronic Engineering, UESTC. His research interests include automated modulation recognition of radar signals, parameter estimation of the hybrid modulation radar signals and new technology for signal acquisition.
E-mail: [email protected]
Hao Cheng
Hao Cheng received MS from UESTC in 2005. He is currently pursuing for PhD in School of Electronic Engineering, UESTC. His research interests include blind signal separation.
E-mail: [email protected]
Bin Tang
Bin Tang born in Sichuan Province, China, 1964. He received the Ph.D. degree from UESTC. He is currently a professor with School of Electronic Engineering, UESTC. His research interests include electronic scout and countermeasure, digital signal processing, and wireless communications.
E-mail: [email protected]