Photonics-based receiver for decoupled velocity and range measurement

被引：1

作者：

Ding, Jiewen ^{[1
]}

Zhu, Dan ^{[1
]}

Zhang, Bowen ^{[1
]}

Chen, Wenjuan ^{[1
]}

Pan, Shilong ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Minist Educ, Key Lab Radar Imaging & Microwave Photon, Nanjing 210016, Peoples R China

来源：

2019 18TH INTERNATIONAL CONFERENCE ON OPTICAL COMMUNICATIONS AND NETWORKS (ICOCN) | 2019年

关键词：

microwave photonics; LFM signal; dual-chirp; velocity; range; GENERATION;

D O I：

10.1109/icocn.2019.8934276

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

Photonics-based receiver for decoupled velocity and range measurement is proposed and demonstrated. A dual-chirp LFM signal is used. At the receiver, the reference signal and the received echoes are modulated to the optical carrier, respectively. By introducing the microwave photonic image reject mixing, the frequency components corresponding to the target range and velocity can be obtained simultaneously. No complex simulation source in electrical digital domain is needed, and no special requirement with the dual-chirp LFM signals is required. A proof-of-concept experiment is taken. A dual-chirp LFM signal centered at 10 GHz with a 4-GHz bandwidth is used. The target range and the Doppler-frequency shift are successfully obtained.

引用

页数：3

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