一個(gè)通過混沌同步實(shí)現(xiàn)保密通信的新方法
A New Way to Secue Communication via Chaotic Syncronization
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摘要: 提出一個(gè)通過混沌同步實(shí)現(xiàn)保密通信的新方法。用變型蔡氏電路為例,數(shù)值模擬證明了這個(gè)方法是非常成功的。它的優(yōu)點(diǎn)是信息信號(hào)能夠和混沌載波信號(hào)一樣大,因此當(dāng)僅發(fā)射一個(gè)信號(hào)時(shí)也能達(dá)到很高的信噪比,并實(shí)現(xiàn)極好的混沌同步與高保真的信號(hào)恢復(fù)。
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關(guān)鍵詞:
- 混沌同步; 混沌保密通信; 變型蔡式電路
Abstract: This paper puts foward a novel way to achieve chaotic synchronization. Take the modified Chua s circuit as example, the numerical simulation shows this way is very successful. The message signal can be as large as the chaotic carrier signal, so the signal-to-noise ratio can be very high even when only one signal is transmitted. The synchronization is excellent and the retrieved signal is virtually perfect. -
L.J. Kocarev, et al., Experimental demonstration of secure communications via chaotic synchronization, Int. J. Bifurcation and Chaos, 1992, 2(3), 709-713.[2]U. Parlitz, et al., Transmission of digital signals by chaotic synchronization, Int. J. Bifurcation and Chaos, 1992, 2(4), 973-977.[3]Y.Z. Yin, Synchronization of chaos in a modified Chuas circuit using continuous control, Int. J. Bifurcation and Chaos, 1996, 6(11), 2101-2117.[4]Y.Z. Yin, Experimental demonstration of chaotic synchronization in the modified Chuas circuits, Int. J. Birurcation and Chaos, 1997, 7(6), 1401-1410. -
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