本文選題：噪聲調(diào)相干擾 + 寄生擴(kuò)頻　； 參考：《火力與指揮控制》2017年11期

【摘要】：在常見的各種信息隱蔽傳輸方法中,宿主載體大多集中于圖像、音頻、視頻等各類多媒體信源,而通過射頻信號作為載體來實(shí)施隱蔽信息傳輸?shù)募夹g(shù)手段十分缺乏。針對這一情況,提出了一種基于噪聲調(diào)相干擾寄生擴(kuò)頻的隱蔽信息傳輸方法。在干擾機(jī)對雷達(dá)、通信等目標(biāo)對象發(fā)射噪聲壓制干擾信號的同時,將需要傳輸?shù)男畔⒓纳{(diào)制于噪聲干擾的相位分量,形成一種類擴(kuò)頻傳輸信號,并有效隱藏于大功率干擾信號之中實(shí)現(xiàn)傳輸。在接收端通過解擴(kuò)處理而恢復(fù)出隱藏的調(diào)制分量,最后解調(diào)出其中所隱蔽承載的數(shù)字比特流。仿真試驗(yàn)結(jié)果顯示了該方法的可行性與有效性,這對于電子對抗設(shè)備的綜合一體化應(yīng)用和隱蔽通信的實(shí)施提供了新的技術(shù)途徑。
[Abstract]:Among the common information covert transmission methods, the host carrier is mostly concentrated in the image, audio, video and other multimedia sources, but the technical means of carrying out the covert information transmission through the radio frequency signal as the carrier is very lacking. In order to solve this problem, a method of covert information transmission based on noise-modulated interference parasitic spread spectrum is proposed. While the jammer transmits the noise suppression jamming signal to the target object such as radar and communication, the information to be transmitted is parasitized and modulated on the phase component of the noise interference to form a kind of spread spectrum transmission signal. And effectively hidden in the high-power interference signal to achieve transmission. The hidden modulation component is recovered by despreading at the receiving end and the hidden digital bit stream is demodulated. The simulation results show that the method is feasible and effective, which provides a new technical approach for the integrated application of ECM and the implementation of covert communication.
【作者單位】： 電子信息控制重點(diǎn)實(shí)驗(yàn)室;電子科技大學(xué)通信抗干擾國家重點(diǎn)實(shí)驗(yàn)室;
【基金】：重點(diǎn)實(shí)驗(yàn)室基金資助項(xiàng)目(6142105040116210XXXX)
【分類號】：TN914.42;TN97
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本文編號：1969273