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.
机构:
Department of Electronic Engineering, Tsinghua University, Beijing 100084, China
Department of Electrical Engineering, Hong Kong Polytechnic University, Kowloon, Hong KongDepartment of Electronic Engineering, Tsinghua University, Beijing 100084, China
Yu, H.B.
Jin, W.
论文数: 0引用数: 0
h-index: 0
机构:
Department of Electrical Engineering, Hong Kong Polytechnic University, Kowloon, Hong KongDepartment of Electronic Engineering, Tsinghua University, Beijing 100084, China
Jin, W.
Ho, H.L.
论文数: 0引用数: 0
h-index: 0
机构:
Department of Electrical Engineering, Hong Kong Polytechnic University, Kowloon, Hong KongDepartment of Electronic Engineering, Tsinghua University, Beijing 100084, China
Ho, H.L.
Chan, K.C.
论文数: 0引用数: 0
h-index: 0
机构:
Department of Electrical Engineering, Hong Kong Polytechnic University, Kowloon, Hong KongDepartment of Electronic Engineering, Tsinghua University, Beijing 100084, China
Chan, K.C.
Chan, C.C.
论文数: 0引用数: 0
h-index: 0
机构:
Department of Electrical Engineering, Hong Kong Polytechnic University, Kowloon, Hong KongDepartment of Electronic Engineering, Tsinghua University, Beijing 100084, China
Chan, C.C.
Demokan, M.S.
论文数: 0引用数: 0
h-index: 0
机构:
Department of Electrical Engineering, Hong Kong Polytechnic University, Kowloon, Hong KongDepartment of Electronic Engineering, Tsinghua University, Beijing 100084, China
Demokan, M.S.
Stewart, G.
论文数: 0引用数: 0
h-index: 0
机构:
Department of Electronic Engineering, University of Strathclyde, Glasgow G1 1XW, United KingdomDepartment of Electronic Engineering, Tsinghua University, Beijing 100084, China
Stewart, G.
Culshaw, B.
论文数: 0引用数: 0
h-index: 0
机构:
Department of Electronic Engineering, University of Strathclyde, Glasgow G1 1XW, United KingdomDepartment of Electronic Engineering, Tsinghua University, Beijing 100084, China
Culshaw, B.
Liao, Y.B.
论文数: 0引用数: 0
h-index: 0
机构:
Department of Electronic Engineering, Tsinghua University, Beijing 100084, ChinaDepartment of Electronic Engineering, Tsinghua University, Beijing 100084, China