HF串行數(shù)字傳輸系統(tǒng)抑制多音干擾的性能分析
ANALYSIS OF MULTI-TONE INTERFERENCE SUPPRESSION IN HF SERIAL DATA TRANSMISSION SYSTEMS
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摘要: 本文從理論上分析了HF串行數(shù)字傳輸系統(tǒng)抑制多音干擾的性能;求出了系統(tǒng)中自適應(yīng)均衡器的最佳系數(shù)和最小均方誤差表達(dá)式;分析了多音干擾對均衡器收斂性的影響;指出HF串行數(shù)字傳輸系統(tǒng)中的自適應(yīng)均衡器既能跟蹤信道快速變化,又具有強(qiáng)的抑制多音干擾的能力。
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關(guān)鍵詞:
- HF串行數(shù)字傳輸系統(tǒng); 多音干擾; 自適應(yīng)均衡器
Abstract: The multi-tone interferences suppression in HF serial data transmission systems is analysed. Analytic expressions for the tap weights and minimum mean square errors of adaptive equalizer in HF serial systems are obtained. The rate of convergence of equalizer in the presence of multi-tone interferences is analysed. The analytic and simulated results indicate that the equalizer in HF serial systems can not only track the rapid variation of HF channel but also suppress the multi-tone interferences perfectly. -
唐軍,HF串行數(shù)字系統(tǒng)中自適應(yīng)均衡算法的研究,西南通信研究所碩士論文,成都,1988年.[2]Loh-ming, Li et al., IEEE Trans. on COM, COM-31(1983)4, 473-483.[3]Loh-ming, Li et al., IEEE Trans. on COM, COM-31(1983)1, 10-20.[4]J. R. Zeidler et al., IEEE Trans. on ASSP, ASSP-26(1978)3, 240-254.[5]M. L. Honig et al., Adaptive Filters: Structures, Algorithms and Applications, Kluwer Academic Publishers Group, USA, Chapter 3, (1984).[6]D. D. Godard, IBM J. Res. Develop., 20(1974)5, 267-273.[7]A. P. Clark et al., IEE Proc,F, 128(1981)1, 33-42. -
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