Virtual Array-Based Signal Detection and Carrier Frequency Offset Estimation in a Multistatic Collaborative Passive Detection System
Abstract
:1. Introduction
2. Signal Model
3. Derivation of the Proposed Method
3.1. Construction of Virtual Array Signal Model
3.2. Virtual Beamforming
4. Simulation Results
4.1. Performance Analysis of Signal Detection
4.2. Performance Analysis of CFO Estimation
5. Discussion
6. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Parameter | Variable | Value |
---|---|---|
Channel bandwidth | B | 250 kHz |
Symbol period | 6.25 µs | |
Initial magnitude of signal | 1 | |
Initial phase of the first symbol | 0° | |
The number of sampling points within a symbol | 32 | |
Sampling period | ||
The number of in-band interferences | M | 3 |
CFO | 25.5 kHz |
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Cao, X.; Ma, H.; Zhang, H.; Jin, J. Virtual Array-Based Signal Detection and Carrier Frequency Offset Estimation in a Multistatic Collaborative Passive Detection System. Remote Sens. 2024, 16, 3152. https://doi.org/10.3390/rs16173152
Cao X, Ma H, Zhang H, Jin J. Virtual Array-Based Signal Detection and Carrier Frequency Offset Estimation in a Multistatic Collaborative Passive Detection System. Remote Sensing. 2024; 16(17):3152. https://doi.org/10.3390/rs16173152
Chicago/Turabian StyleCao, Xiaomao, Hong Ma, Hua Zhang, and Jiang Jin. 2024. "Virtual Array-Based Signal Detection and Carrier Frequency Offset Estimation in a Multistatic Collaborative Passive Detection System" Remote Sensing 16, no. 17: 3152. https://doi.org/10.3390/rs16173152