Long microwave delay fiber-optic link for radar testing

A long fiberoptic delay line is used as a radar repeater to improve radar testing capabilities. The first known generation of 152 mu s delayed ideal target at X-band (10 GHz) frequencies having the phase stability and signal-to-noise ratio (SNR) needed for testing modern high-resolution Doppler rada...

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Veröffentlicht in:	IEEE transactions on microwave theory and techniques 1990-05, Vol.38 (5), p.664-666
Hauptverfasser:	Newberg, I.L., Gee, C.M., Thurmond, G.D., Yen, H.W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Delay lines Doppler radar Exact sciences and technology Fiber lasers Frequency Laser stability Optical fiber testing Phase modulation Radiolocalization and radionavigation Repeaters Signal generators Signal to noise ratio Telecommunications Telecommunications and information theory
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Beschreibung
Zusammenfassung:	A long fiberoptic delay line is used as a radar repeater to improve radar testing capabilities. The first known generation of 152 mu s delayed ideal target at X-band (10 GHz) frequencies having the phase stability and signal-to-noise ratio (SNR) needed for testing modern high-resolution Doppler radars is demonstrated with a 31.6-km experimental externally modulated fiberoptic link with a distributed-feedback (DFB) laser. The test application, link configuration, and link testing are discussed.< >
ISSN:	0018-9480 1557-9670
DOI:	10.1109/22.54937