摘要
扩展的二元相移键控调制(EBPSK)是一种高效的超窄带调制技术。为进一步研究其调制机理,掌握其功率谱有关构成非常必要。通过对周期信号谱分析、EBPSK基本调制波公共成分的Fourier展开及相关分析,获得了构成该功率谱各线谱的时域成分及其时频域可加性结论,并实现仿真。该工作将为EBPSK及其他超窄带调制技术的深入研究奠定理论基础。
Extended binary phase shift keying(EBPSK) modulation is a high efficiency ultra narrow band(UNB) technology. To discuss further modulating mechanism, study of EBPSK power spectrum structure is necessary. In this paper, by means of spectral analysis on periodic signals, Fourier expansion on EBPSK average basic modulating waveform and relevant discussion, the time-domain component of linear power spectrum is obtained. Furthermore, the conclusion that both time-domain and frequency-domain component can be added is inferred. The modulating simulations testify these results. The work is conducive to the further EBPSK and other UNB modulation research.
出处
《电波科学学报》
EI
CSCD
北大核心
2011年第4期807-813,共7页
Chinese Journal of Radio Science
基金
江苏省高校自然科学研究计划项目(No.08KJD510013)
江苏省政府留学基金
江苏省高校"青蓝工程"项目
南京工程学院科研基金(No.KXJ07005)