Title :
A photonic-assisted transceiver with wavelength reuse for distributed UWB radar
Author :
Jianbin Fu ; Fangzheng Zhang ; Dan Zhu ; Jianjiang Zhou ; Shilong Pan
Author_Institution :
Key Lab. of Radar Imaging & Microwave Photonics, Nanjing Univ. of Aeronaut. & Astronaut., Nanjing, China
Abstract :
A photonic-assisted transceiver with wavelength reuse for distributed ultra-wideband (UWB) radar is proposed and demonstrated. The transceiver converts an input optical phase modulated signal into an optical UWB pulse train based on phase modulation to intensity modulation conversion using a fiber Bragg grating, and performs wavelength reuse by re-modulating the phase modulated optical signal via an intensity modulator. The transceiver is applied in a UWB ranging radar. A centimeter level accuracy is achieved.
Keywords :
transceivers; ultra wideband radar; UWB ranging radar; distributed UWB radar; fiber Bragg grating; input optical phase modulated signal; intensity modulation; intensity modulator; optical UWB pulse train; optical signal; phase modulation; photonic assisted transceiver; transceiver; wavelength reuse; Optical fibers; Optical modulation; Optical pulses; Photonics; Transceivers; Ultra wideband radar; Ultra-wideband radar; microwave photonics; wavelength reuse;
Conference_Titel :
Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP), 2014 International Topical Meeting on
Conference_Location :
Sapporo
DOI :
10.1109/MWP.2014.6994539
