Broadband Frequency-Modulated Continuous-Wave Signal Generation by Optical Modulation Technique

被引：75
|
作者：
Kanno, Atsushi [1 ]
Kawanishi, Tetsuya [1 ]
机构：
[1] Natl Inst Informat & Commun Technol, Photon Network Res Inst, Koganei, Tokyo 1848795, Japan
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2014年 / 32卷 / 20期
关键词：
Frequency-modulated continuous-wave; millimeter-wave radar; optical frequency domain reflectometry; optical modulation; radio over fiber; RADAR; PULSE;
D O I：
10.1109/JLT.2014.2318724
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Optical frequency-modulated continuous-wave (FM-CW) signal generation with a bandwidth of 35 GHz and a pulse duration of 1 mu s in the range of 75-110 GHz is demonstrated with an optical frequency multiplier consisting of an optical modulator and optical filters. The FM-CW signal generator is used as a signal source for the surveillance of obstacles and debris in a large area by a distributed radar system connected to the optical fiber network. The system for millimeter-wave FM-CW signal generation is realized using the functions of a multi-frequency band and segmentation of the radar heads with several channels to avoid radio-frequency interference. The wavelength-division multiplexing technology with simple optical heterodyning aids in realizing these functions with high availability.
引用
收藏
页码：3566 / 3572
页数：7
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