6 papers
Broadband microwave time-frequency analysis via stabilized period-one oscillation and recirculating frequency shifting with shared fiber loop
Xianxin Zhang, Chi Jiang, Taixia Shi +1
To address the need for time-frequency analysis (TFA) of broadband microwave signals and to overcome the reliance of existing schemes on large-bandwidth swept microwave sources, we…
Microwave photonic radar jamming and target detection integration based on advanced waveform editing, forwarding, and self-squaring reception
Fangyi Yang, Hang Yang, Xin Zhong +2
The integrated radar and jamming (IRAJ) system provides a promising solution that meets the demands for miniaturization, integration, and multifunctionality in complex warfare envi…
Dynamic Dispersion Accumulation in Fiber Loops for Realizing Record-High Frequency Resolution or Ultra-Low Signal Sampling Rate in Dispersion-Based Photonics-Assisted Wideband Microwave Measurement Systems
Chi Jiang, Taixia Shi, Hang Yang +4
Dispersion-based photonics-assisted microwave measurement systems provide immense potential for real-time analysis of wideband and dynamic signals. However, they face two critical…
Broadband tunable microwave photonic radar for simultaneous detection of human respiration, heartbeat, and speech with deep learning-based speech recognition
Lei Gao, Dingding Liang, Jiawei Gao +4
Multimodal vital sign monitoring and speech detection hold significant importance in medical health, public safety, and other fields. This study proposes a broadband tunable microw…
Advanced microwave photonic waveform editing: enabling the evolution of radar systems into joint radar and spectrum sensing systems
Chi Jiang, Taixia Shi, Dingding Liang +3
In response to the urgent demand for the development of future radar application platforms from single radar functionality towards integrated multi-functional systems, we show an a…
Dual-functional microwave photonic system for concurrent radar and secure communication via radar signal masking
Taixia Shi, Fangzheng Zhang, Yang Chen
Integrating functions such as radar and communication into a single system is of great significance for the miniaturization and functional integration of future electronic warfare…