An adaptive acquisition strategy for slow frequency hopping spread spectrum system is proposed.
提出了一种应用于跳频扩频系统的自适应捕获策略。
This paper describes a new viewpoint: of evaluating the utilization rate of the spread spectrum system frequency band.
本文提出了评价扩频系统频带利用率的新观点。
It is studied that the code acquisition technology of direct sequence spread spectrum system in LEO satellite communication.
研究了用于低轨卫星通信的直接序列扩频系统的码捕获技术。
The current analysis focuses on the performance of BPSK modulation on 2-dimensional spread spectrum system with single-tone jamming.
针对二进制相移键控调制的二维扩频系统，分析了其抗单音干扰的性能。
In a lot of antijamming techniques for direct spread spectrum system (DSSS), the DSSS signal is approximately considered as a stationary process.
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。
This paper proposes a problem that the error tolerance property of spread spectrum sequence influences the performance of spread spectrum system.
提出了扩频码（序列）容错能力影响扩频系统的性能的问题。
The paper introduces the basic composition of transmitter and receiver in direct-sequence spread spectrum system and gives the detailed design block diagram of the receiver.
针对直接序列扩频信号，介绍了其发射和接收部分基本组成，给出了系统接收部分的具体设计框图。
Chapter 3 reveals the procedure of reference signal generating of adaptive array in spread spectrum system, and presents some improved methods of reference signal generation.
第三章揭示了基于扩频信号的自适应阵的参考信号建立过程，提出了参考信号提取的改进措施。
It mainly contains the digital modulate system, the SS communication theory and the direct sequence spread spectrum (DSSS) system.
主要是数字调制系统、扩展频谱通信原理和直接序列扩频系统等内容。
Spread Spectrum technique is widely used in digital cell-phone mobile communication system, satellite mobile communication, inside wireless communication and future personal communication.
扩频技术在数字蜂窝移动通信系统、卫星移动通信、室内无线通信和未来的个人通信中被广泛采用。
An intelligent lighting system for railway goods yard based on spread spectrum power line carrier communication technique is proposed.
用扩频电力线载波通信技术设计了铁路站场智能化照明系统。
So the implementation of related database is discussed in this paper around the design of SSC (Spread Spectrum Carrier) data collection system.
因此，围绕着扩频载波数据采集系统的设计，本文主要讨论了该系统中关系模型的设计及其实现。
There are several difficult problems in the research of spread spectrum FH/DS system.
在研制扩展频谱FH/DS系统时，会遇到一些很困难的问题。
This paper expounds the advantage of spread spectrum, principle and important parameters of the system, and the international regulation.
本文阐述了扩频技术的优点、各种扩频系统（直接扩频、跳频和混合系统）的原理和主要参数，以及国际上的规定。
Through the analysis of the spread spectrum and power line carrier spectrum, the authors design a set of remote reading system.
通过对扩频通信和电力线载波通信特点的分析，设计实现了一套远程抄表系统。
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。
Finally, the dissertation brings forward the collectivity project of the negative pressure wave leak detecting system based on data transfer of wireless spread, spectrum network.
最后，结合课题提出了基于无线扩频网络数据传输的负压波法泄漏检测系统的总体方案。
Thepurpose of this paper is that taking use of modern digital technical applyat correlative processing in the IF signal of spread-spectrum system.
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。
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。
Based on TMS320VC5410 microprocessor developing platform, the direct spread spectrum (DSS) sequence secrecy com-munication system is studied.
基于TMS320 VC 5410微处理器开发平台，对直扩序列保密通信系统进行了研究。
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。
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。
When designing a special type small satellite (STSS) communication system with spread-spectrum technology, the fading and the interference must be considered carefully.
对于特种小卫星扩频通信系统，衰落及干扰状况是系统设计时必须考虑的重要方面。
Spread Spectrum (SS) communication is a kind of communication system with excellent performance, and has attracted wide attention and interest of researchers since it was born.
扩频通信是一种有着极其优异性能的通信方式，自其诞生之日起就受到了广泛的关注。
We put forward a method which can easily be realized in DSP and direct sequence spread-spectrum system based on QPSK, it achieved a good performance in tests.
提出了易于在DSP以及QPSK的直接序列扩展频谱系统中实现的方法，并在测试中达到了较好的性能。
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。
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.
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。
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。
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。
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