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基于峭度的盲源分离方法研究 被引量:2
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作者 王雪 张兴周 田金超 《应用科技》 CAS 2006年第6期31-33,共3页
针对双梯度的盲源分离算法进行了研究,以信号的峭度为代价函数对其进行了改进.仿真试验分别对通信信号和雷达信号实现了分离,改进算法在收敛速度和稳态误差方面具有显著的优势.同时指出将盲分离方法用于雷达信号的分离,具有广阔的应用前景.
关键词 盲源分离 通信信号 雷达信号 双梯度 峭度
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Biquaternionic Form of Laws of Electro-Gravimagnetic Charges and Currents Interactions
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作者 L. A. Alexeyeva 《Journal of Modern Physics》 2016年第11期1351-1358,共9页
One the base of differential algebra of biquaternions, the one model of electro-gravimagnetic interactions of electric and gravimagnetic charges and currents has been constructed. For this, three Newton laws analogues... One the base of differential algebra of biquaternions, the one model of electro-gravimagnetic interactions of electric and gravimagnetic charges and currents has been constructed. For this, three Newton laws analogues are used. The closed system of biquaternionic wave equations is constructed for determination of the charges-currents and electro-gravimagnetic fields and united field of interactions. The equation of charge-current transformation is like the generalization of biquaternionic presentation of Dirac equation. The properties of its solutions are described, depending on properties of external EGM field. The biquaternions of energy-pulse of EGM-field and charges-currents are considered. The energy-pulse of EGM-interactions is calculated. 展开更多
关键词 Electro-Gravimagnetic Field Electric Charge Gravimagnetic Charge Current Energy Biquaternion bigradient Dirac Equation Newton Laws
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Biquaternionic Model of Electro-Gravimagnetic Field, Charges and Currents. Law of Inertia
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作者 L. A. Alexeyeva 《Journal of Modern Physics》 2016年第5期435-444,共10页
One the base of Maxwell and Dirac equations the one biquaternionic model of electro-gravimagnetic (EGM) fields is considered. The closed system of biquaternionic wave equations is constructed for determination of free... One the base of Maxwell and Dirac equations the one biquaternionic model of electro-gravimagnetic (EGM) fields is considered. The closed system of biquaternionic wave equations is constructed for determination of free system of electric and gravimagnetic charges and currents and generated by them EGM-field. By using generalized functions theory the fundamental and regular solutions of this system are determined and some of them are considered (spinors, plane waves, shock EGM-waves and others). The properties of these solutions are investigated. 展开更多
关键词 Biquaternion bigradient Biwave Equation Electro-Gravimagnetic Field Electric Charge Gravimagnetic Charge Current Maxwell Equations First Newton Law
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