The performance of chaotic spread-spectrum communication systems can be improved by employing these formulas.
利用这些结果可有效提高混沌扩频通信系统的性能。
There is no any application or research in power line spread-spectrum communication on the complex power line environment in mine.
目前电力线扩频载波通信在井下复杂电网环境中的应用研究还是一个空白。
We hope that this article will be helpful for giving impulse to the research of spread-spectrum communication used in coal mine system.
我们希望本文的证明有助于推动扩频通信在煤矿系统中的应用研究。
Original watermark is mapped to watermark information, which can be directly embedded to the host, with spread-spectrum communication technique.
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；
In future wireless communications, the spread-spectrum communication technology will play its advantages fully and it will be attracting more attention.
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。
Pseudorandom sequences with ideal two-level autocorrelation functions have important application in spread-spectrum communication, stream cryptography, radar and sonar.
具有二值自相关特性的伪随机序列在扩频通信、流密码、雷达和声纳等领域中具有重要的应用。
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。
This paper proposes a robust watermarking algorithm for volume data based on three-dimension discrete cosine transform(3D-DCT) and spread-spectrum communication technique.
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。
In the system of spread-spectrum communication, the essential point of demodulating information is to ensure the synchronism of local PN sequence and PN sequence of received signals.
扩频通信系统中，保证本地产生的PN序列与接收信号中的PN序列完全同步，是正确解调信息的关键点。
In spread-spectrum communication systems, the essential task which has to be performed is the synchronization of receiver pseudonoise (PN) signal with the pseudonoise signal contained in the input.
扩谱通信中一个最基本的任务就是实现本机的伪随机信号与接收的伪随机信号的同步。
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 .
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。
Spread Spectrum communication became one of the communication ways with wide developing prospect, and has being applied to military communication and civil communication extensively.
扩展频谱通信是具有广阔发展前景的通信方式之一，并广泛应用于军事通信和民用通信中。
The spread spectrum communication with an aperiodic PN code and under strong man-made jammers has an important significance in military communications.
强人为干扰环境下的非周期扩频码的扩频通信在军事上具有重要的意义。
Spread spectrum communication is the most efficient mode in the strong noise environment such as the coal mine.
扩频通信是矿井等强噪声环境中最有效的通信方式。
Spread spectrum communication is an accepted technique and has many special advantages. The chaos theory has been the focus of scientific research.
扩展频谱通信到目前为止已经成为比较成熟的一门技术，在个人通信方面，它具有独特的优点。
Spreading sequences design is one of the key task in the direct-sequence spread spectrum communication systems.
扩频序列设计是直接序列扩频通信系统的关键课题之一。
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。
In recently years, people have paid much attention to the research of self-encoded in the spread spectrum communication system and gotten certain achievements.
近年来，人们对于自编码在扩频通信系统中应用进行了大量研究并取得丰富成果。
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。
Spectra expanding of Spread spectrum communication system makes use of the spread spectrum function to realize, the typical spread spectrum function is pseudo random sequence code.
直接系列扩频通信系统的频谱扩展是借助于扩频函数而实现的，典型的扩频函数就是伪随机序列码。
Spread spectrum communication is implemented by a spread spectrum chipset, which is composed of two parts:baseband and RF.
扩频通讯由扩频芯片组来实现，该芯片组由基带和射频两部分组成。
This paper reports a 31 bit low frequency SAW programmable tapped delay line. It is a key device in signal processing of interference free spread spectrum communication system.
文章报道的31位声表面波低频可程序抽头延迟线是一种用于扩频抗干扰通信系统所用的关键信号处理器件。
In direct sequence spread spectrum communication system, enemy is assumed to detect whole PN sequence chip by chip and a modulated retransmitted interference is created.
在直接序列扩频通信系统中，假设敌方能够逐个比特地检测到整个PN序列，并产生一个调制的转发干扰。
This article has described one method of transmitting physiological data through wireless spread spectrum communication.
本文描述了一种通过扩频通讯的方式实现生理数据无线传输的方法。
In this paper, the theory of spread spectrum communication technology is presented, the structure and the operating principle of spread spectrum communication system are discussed.
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。
In this dissertation, some methods for narrowband interference suppression and impulse interference rejection in the low orbit satellite spread spectrum communication are studied.
本文针对低轨卫星扩频通信的窄带干扰和脉冲干扰抑制方法进行了研究和仿真。
First of all, the thesis introduces the principles of spread spectrum communication, especially investigates the system structure and features of hybrid spread spectrum communication.
本文首先介绍了扩频通信的基本原理，重点研究了混合扩频的系统结构和特点。
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。
The spread spectrum communication technology regarded as an advanced modulation technology has been drawing more and more attention.
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.
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。
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