1. 总参第63研究所,江苏,南京,210007
2. 解放军理工大学通信工程学院,江苏,南京,210007
3. 总参第63研究所江苏南京,210007
4. 解放军理工大学通信工程学院江苏南京,210007
纸质出版:2007
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蒋慧娟, 谭 笑, 沈越泓. 空时/时频调制(ST-TFSK)系统的性能研究[J]. 电子学报, 2007,35(3):488-491.
JIANG Hui-juan, TAN Xiao, SHEN Yue-hong. Performance of Space-Time Time-Frequency-Shift Keying (ST-TFSK) Modulation Systems[J]. Acta Electronica Sinica, 2007, 35(3): 488-491.
为了进一步提高短波通信系统的性能
本文提出了一种空时/时频调制方式
并对其系统进行了性能分析和仿真验证.Matlab仿真结果表明其具有优于时频调制良好的抗平坦衰落的能力
同时还具有优于空时/频移键控良好的抗多径、抗单音干扰的实用价值
所得结论与理论分析完全一致.当然
这些优势的取得是以牺牲部分频带利用率为前提的.
In order to further improve the performance of shortwave communication systems
this paper introduced space-time time-frequency-shift keying (ST-TFSK)
and analyzed its performance.MATLAB simulation results show that ST-TFSK has advantage of anti-flat-fading over TFSK
and that it enjoys greater practicality of antimultipath and anti-single-tone-jamming than ST-FSK
which approves the theoretical analysis.As expected
all these advantages come at the cost of a decrease in spectral efficiency.
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