5 papers · 1 filter
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…
Microwave photonic frequency measurement and time-frequency analysis: Unlocking bandwidths over hundreds of GHz with a 10-nanosecond temporal resolution
Taixia Shi, Chi Jiang, Chulun Lin +4
Fast and broadband spectrum sensing is an essential component in cognitive radio systems, intelligent transportation systems, electronic warfare systems, etc. However, traditional…
Physical encryption and decryption for secure data transmission in optical networks leveraging the temporal Talbot effect and microwave photonics
Chulun Lin, Taixia Shi, Yiqing Liu +1
A novel microwave photonic scheme for secure data transmission in optical networks is proposed. The security of the scheme is guaranteed by physical encryption and decryption via t…
A microwave photonic prototype for concurrent radar detection and spectrum sensing over an 8 to 40 GHz bandwidth
Taixia Shi, Dingding Liang, Lu Wang +11
In this work, a microwave photonic prototype for concurrent radar detection and spectrum sensing is proposed, designed, built, and investigated. A direct digital synthesizer and an…