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Summary of Short Wave Differential Frequency Hopping Technology

Qiang Ge

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Abstract

Differential frequency hopping(DFH) is a new spread spectrum communication technology whose functions combine FH pattern,information modulation and demodulation,forms different technology structure from traditional frequency hopping(FH) technology.This paper introduces thoroughly fundamental and key techniques,analyzes the similarities and differences of anti-jamming ability between the DFH system and the traditional HF system.At last the advantages and the existing questions of the technology are presented.

About this research paper

What this paper is about

Differential frequency hopping(DFH) is a new spread spectrum communication technology whose functions combine FH pattern,information modulation and demodulation,forms different technology structure from traditional frequency hopping(FH) technology.This paper introduces thoroughly fundamental and key techniques,analyzes the similarities and differences of anti-jamming ability between the DFH system and the traditional HF system.At last the advantages and the existing questions of the technology are presented.

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Available abstract

Differential frequency hopping(DFH) is a new spread spectrum communication technology whose functions combine FH pattern,information modulation and demodulation,forms different technology structure from traditional frequency hopping(FH) technology.This paper introduces thoroughly fundamental and key techniques,analyzes the similarities and differences of anti-jamming ability between the DFH system and the traditional HF system.At last the advantages and the existing questions of the technology are presented.

Key concepts: Frequency-hopping spread spectrum, Demodulation, Differential (mechanical device), Key (lock), Jamming, Frequency modulation, Modulation (music), Telecommunications

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