Photonic Synthesis of Spread Spectrum Radio Frequency Waveforms With Arbitrarily Long Time Apertures

被引：34

作者：

Li, Yihan ^{[1
]}

Dezfooliyan, Amir ^{[1
]}

Weiner, Andrew M. ^{[1
]}

机构：

[1] Purdue Univ, Ultrafast Opt & Opt Commun Lab, W Lafayette, IN 47907 USA

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2014年 / 32卷 / 20期

基金：

美国国家科学基金会;

关键词：

Microwave photonics; optical pulse shaping; radio frequency; GENERATION; DISPERSION; RANGE; RADAR; COMPENSATION; MULTIPATH; SIGNALS;

D O I：

10.1109/JLT.2014.2320933

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：

A photonic technique is proposed to generate spread spectrum radio frequency waveforms with both high RF bandwidth and arbitrarily long temporal period. By switching the polarity of full duty cycle chirped waveforms according to a pseudorandom sequence, we can increase the waveform repetition period under electronic control while preserving RF bandwidth and average power. Proof-of-principle ranging experiments are presented to demonstrate the improvement our technique provides with respect to range ambiguity.

引用

页码：3580 / 3587

页数：8

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