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| Automatic Digital Modulation Recognition Algorithm of Communication Signals |
| Li Yang; Li Guo-tong; Yang Gen-qing |
| R&D Department of Micro-Satellite the Institute of Shanghai Micro-System and Information Technology Shanghai 200050 China |
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Abstract Automatic modulation recognition is an important research area for the receiver design in the non-cooperative communication system. A digital modulation recognition algorithm is proposed in this paper for the engineering application. Contrast to other algorithm, this one is very simple to be calculated on-line and it also has a good recognition rate in the low SNR environment, furthermore the effect of symbol shape to the parameter extraction has been considered, which can satisfy the need of engineering.
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Received: 21 August 2003
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2005, Vol. 27 
