宽带通信及其扩频通信技术等的运用。
扩频通信技术作为一种先进的调制技术，日益受到世人关注。
The spread spectrum communication technology regarded as an advanced modulation technology has been drawing more and more attention.
算法将原始水印利用扩频通信技术生成能够直接嵌入的水印信息；
Original watermark is mapped to watermark information, which can be directly embedded to the host, with spread-spectrum communication technique.
在扩频通信技术中，直接序列扩频和跳频是应用最广的两种扩频技术。
In the spread spectrum communication, direct sequence spread spectrum (DSSS) and frequency hopping (FH) are the two kinds of most widely used spread spectrum technologies.
目前，扩频通信技术的主要应用之一就是流行的CD MA移动通信系统。
Now one of the mostly applications of spread spectrum technology is the popular CDMA mobile communication system.
在未来无线通信系统中，扩频通信技术也将充分发挥它的优越性，必将得到人们越来越多的关注。
In future wireless communications, the spread-spectrum communication technology will play its advantages fully and it will be attracting more attention.
扩频通信技术由于其本身具备消息隐藏性、低截获概率和抗干扰性能强的优良性能而得到广泛应用。
The spread spectrum communication technology is used far and wide because of the inherent fine performance such as information hiding, low probability of intercept and anti-jamming.
本文基于三维离散余弦变换（3D-DCT）技术和扩频通信技术提出三维体数据鲁棒水印嵌入算法。
This paper proposes a robust watermarking algorithm for volume data based on three-dimension discrete cosine transform(3D-DCT) and spread-spectrum communication technique.
以无线扩频通信技术为基础的CDma技术，是进入90年代以来无线通信领域十分引入注目的多址通信技术。
The CDMA based on the radio frequency spread technique has been a very attractive multiple access technique in the radio communication field since 1990.
扩频通信技术中，最常见的是直接序列扩频通信(DS - SS)系统，本论文所研究的就是这一类通信系统。
In this dissertation, the author mostly research on Direct Sequence Spread Spectrum (DS-SS), the most ordinary one within Spread Spectrum technologies.
本文介绍了扩频通信的基本原理，重点论述扩频通信技术在家庭测控网络中的应用，同时介绍了电力线宽带接入技术。
This paper introduces the principle of spread spectrum communication, stresses the application of spread spectrum technique, and summarily introduces the broadband access technology of power line .
基于MATLAB，对扩频通信技术有关概念进行了仿真分析，并简要讨论了点对点扩频电台的系统设计和接口技术。
Based on MATLAB, the primary concepts of the spread spectrum are simulated. The system design and interface technology of a spread spectrum radio device is simply discussed.
扩频通信系统中宽带干扰的抑制技术越来越引起人们的重视。
The rejection techniques of broadband interference have caused more and more attention in Spread Spectrum(SS) communication systems.
在其最基本的形式，CR是混合动力技术涉及软件定义无线电(SDR)应用于扩频通信。
In its most basic form, CR is a hybrid technology involving software defined radio (SDR) as applied to spread spectrum communication.
信道编码是扩频通信的关键技术之一，是解决信号在信道中无差错传输的技术。
Channel Encoding technology is one of the key technology in SSC. It aims to realize the non-error transmission of the signal.
本课题研究的主要目的就是利用现代数字技术对扩频通信系统中的中频接收信号进行相关处理。
Thepurpose of this paper is that taking use of modern digital technical applyat correlative processing in the IF signal of spread-spectrum system.
众多的扩频通信抗干扰技术往往把有用扩频信号近似看作平稳随机过程。
In a lot of antijamming techniques for direct spread spectrum system (DSSS), the DSSS signal is approximately considered as a stationary process.
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。
Synchronization is one of the key techniques in spread spectrum communication systems. The paper proposes a synchronization scheme suited for common simulation software.
扩频通信因其自身的复杂性，利用仿真技术来进行辅助设计和分析已变得越来越重要。
It has become more and more important that simulation technology be used to aid the design and analysis of the spread spectrum communication system because of its complexity.
扩频通信是当前信息领域迅猛发展起来的一门前沿技术。
Spread spectrum communication is a foreword technique developing rapidly in current information domain.
文中提出的虚拟式直接序列扩频通信电台将直接序列扩频通信、软件无线电和虚拟技术相结合。
Presented in this paper is a direct sequence spread spectrum radio based on virtual technique in which direct sequence spread spectrum, software radio and virtual technique are combined.
跳频技术是扩频通信中的一种抗干扰的实用技术。
Hopping frequency (FH) communication technology is the important part of spread spectrum communication, which is widely applied in anti-jamming communication.
本文对并行组合扩频通信系统的关键技术做了一些有意和必要的探讨。
This is an instructive discuss for the key technique of PC/SS system.
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。
The author proposed a scheme that applying the spread spectrum (SS) communication to the strong noise environment to solve this problem.
捕获技术是跳码扩频通信系统的关键技术之一，所以我们有必要研究跳码扩频通信系统合理、可行的捕获方法。
Acquisition technology is one of the key technologies of CH-DSSS system, so we need to study reasonable and feasible acquisition methods of CH-DSSS communication system.
SC1128 扩频通信芯片和AT89C51单片机为核心，结合网络通讯和电力载波技术的远程控制技术的应用。
The system works with SC1128 signal rush and AT89C51 single chip to kernel. With net communication and electric carrier technology to complete control long-distance machine.
在详细说明了扩频通信的理论基础之后，对直接序列扩频技术及系统作了介绍。
Secondly, the system physical layer's key technology—Direct Sequence Spread Spectrum (DSSS) is described.
目前，扩频通信窄带干扰的抑制技术主要有时域抑制和变换域抑制。
At present, narrowband interference suppression technologies in time domain and transform-domain are widely studied.
本文的目标就是在前人研究的基础上，针对目前扩频通信窄带干扰抑制技术存在的具体问题，对其方法做进一步的改进，使其抑制性能得到提高。
Based on the previous studies, further improvements are made in this master dissertation and the presented methods have better performance in view of the current existing problems.
本文的目标就是在前人研究的基础上，针对目前扩频通信窄带干扰抑制技术存在的具体问题，对其方法做进一步的改进，使其抑制性能得到提高。
Based on the previous studies, further improvements are made in this master dissertation and the presented methods have better performance in view of the current existing problems.
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