A novel scheme for enhancing antijamming capabilities of spread spectrum communication systems is proposed in the paper.
本文提出了一种用于提高扩谱通讯系统抗干扰能力的新方案。
Contributed to the acquisition and Code tracing for the DS spread spectrum com munication systems, this paper presents the scheme of sliding search self-synchronization for a DS system.
本文讨论直接序列扩展频谱通信系统中有关同步捕获和跟踪的问题。给出了直接扩频系统的滑动搜索自同步方案。
The design scheme of spread-spectrum system based on sequence pairs is discussed.
并对基于序列偶的扩频通信系统设计方案进行了讨论。
This paper presents a new radio station data communication scheme, a DS-GMSK system based on in-band spread- spectrum technology.
提出了一种采用DS-GMSK体制、基于带内扩频技术的无线电台数字通信方案。
The relation between the digital watermarking and spread-spectrum was analyzed at first, A spread-spectrum adaptive digital watermarking scheme based on the wavelet transform was proposed.
在分析了自适应小波变换和扩频特性关系的基础上,提出一种基于小波变换的扩频数字水印算法。
In consideration of the synchronization of PN code in spread spectrum communication system, a acquisition and track scheme of PN code based on the theory of match filter is analyzed.
针对扩频通信系统中的伪码同步问题,分析了基于匹配滤波捕获跟踪算法的伪码数字化同步方案。
Experimental results show that this scheme can generate much more spread-spectrum sequences than single chaotic map to satisfy the demand of spread-spectrum communication.
计算机仿真结果表明,该模型产生的混沌扩频序列调整更容易,比基于单一混沌映射能产生更多符合扩频通信要求的扩频序列。
The author proposed a scheme that applying the spread spectrum (SS) communication to the strong noise environment to solve this problem.
本文作者在分析了矿井通信技术难题的基础上,提出了将扩频通信应用到强噪声环境中的方案。
Most spread-spectrum signals use a digital scheme called frequency hopping.
大多数扩展频谱信号用数字计划称为跳频。
Based on traditional spread-spectrum watermarking, we discuss an asymmetric watermarking scheme using random-phase-shift.
在传统扩频水印技术的基础上,我们讨论了一种基于相位偏移的非对称数字水印方案。
This new scheme has the advantages of high spectrum efficiency and suppression of multipath spread, frequency selective fading, jamming and noise.
该体制具有较高的频率利用率,可有效地抑制短波信道中多径时延、频率选择性衰落、人为干扰与噪声带来的不利影响。
Synchronization is one of the key techniques in spread spectrum communication systems. The paper proposes a synchronization scheme suited for common simulation software.
同步是扩频通信的关键技术之一,本文针对直扩系统,给出了一个利用通用仿真软件包对其进行仿真的方案。
This paper proposes a novel robust spread-spectrum (ss) audio watermarking scheme based on DWT, in which a watermark is embedded into wavelet domain which original audio signal is transformed to.
文章提出一种基于小波变换的新颖的鲁棒语音扩谱水印算法。算法对原始语音进行离散小波变换,利用扩谱水印技术将水印隐藏到小波域。
This paper proposes a novel robust spread-spectrum (ss) audio watermarking scheme based on DWT, in which a watermark is embedded into wavelet domain which original audio signal is transformed to.
文章提出一种基于小波变换的新颖的鲁棒语音扩谱水印算法。算法对原始语音进行离散小波变换,利用扩谱水印技术将水印隐藏到小波域。
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