Experimental Study on Shortwave Communication and OTHR Integrated System Based on OFDM Waveform

Shao, Qian; Wan, Xianrong; Delei, Zhang; Zhao, Zhixin; Ke, Hua

doi:10.3724/sp.j.1300.2012.20089

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“…The subsequent processings, including frequency-conversion, demodulation, pusle-compression, were all taken in digital devices such as FPGA chip. In addition to the advantage of simplicity and low-cost, the fully-digital structure also performs better compatibility than ordinary analogue structure with other waveforms besides FMICW used in this paper [2,6], such as OFDM [7].…”

Section: Introductionmentioning

confidence: 99%

A new fully-digital HF radar system for oceanographical remote sensing

Tian

Wen

Tan

et al. 2013

IEICE Electron. Express

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This paper presents a new fully-digital high-frequency (HF) backscatter radar system for oceanographical remote sensing. The fully-digital receiver is designed that employs directly radio freqency (RF) sampling, digital down-conversion, and digital pulse compression techniques. The difference between this system and ordinary analogue system is illustrated. Results of closed-loop test and field experiment conducted on the coast of the Eastern China Sea are given to prove good performance of the system.

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Section: Introductionmentioning

confidence: 99%