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基因选择模型的全局吸引性   总被引:3,自引:0,他引:3  
研究一类基因选择模型yn+ 1=yneβn( 1-ayn)1-yn+yneβn( 1-ayn) , n=0 ,1,2…y0 ∈ (0 ,1) ,获得了关于正平衡解M =1/α的全局吸引性的充分条件  相似文献
2.
An algorithm for direction angle of arrival(DOA) estimation and array calibration of signals from multiple mobile users in the CDMA systems and multi-path environment was presented . The main idea is that the algorithm employs code-matched filter and model of the inter-symbol interference and multiple-access interference exactly. The correlation matrices of the received signals before and after code-matched filtering were employed to eliminate the effect of the additive white Gaussian noise, and a new mathematical problem was created, a new maximum likelihood method based on the strong law of large number was derived for DOA estimation and array calibration. Computer simulation results prove that the algorithm is effective.  相似文献
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对大型变电站接地网工频接地电阻测试方法提出一点改进措施,通过改进,提高测试精度,并达到准确、可靠和可对比的目的.  相似文献
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