Analysis of the simulation of direct sequence spread spectrum communication system;
直接序列扩频通信系统误码率的仿真分析
The difference between UWB and the traditional direct sequence spread spectrum technology was analyzed,and the simulation models of TH-IR and DS-IR systems were installed.
首先分析了超宽带技术与传统的直接序列扩频技术的区别,然后建立了TH-IR和DS-IR超宽带系统的仿真模型,得到两种IR系统在多种干扰条件下的误码率性能。
This paper demonstrates major performances and direction for use of all digital direct sequence spread spectrum STEL-2000A chip.
介绍了全数字式直接序列扩频芯片STEL2000A的主要性能和用法,并以STEL2000A芯片为核心,辅以A/D、D/A、智能控制器等若干外围器件,构成了一个适合野战环境的扩频收发系统实例,包括系统参数选择、硬件设计和软件设计3部分,硬件部分着重STEL2000A的接口设计,软件部分着重STEL2000A内部编程,最后给出了系统调试结果。
To discuss properties of the direct-sequence spread-spectrum communication system resisting interference from other spread-spectrum signals.
取消待接收的直接序列扩频信号与其他直接序列扩频干扰信号码元宽度相等的限制来讨论直接序列扩频通信系统抗其他扩频信号干扰的性能。
In this paper,we analyse influence of various interferences on a system-model of direct-sequence spread-spectrum receiver, calculate processing gain of the system and correct theoretical mistake in some books.
分析了各种型式的干扰对于直接序列扩频接收机模型这一系统的影响。
The technique first splits conventional DSSS (Direct Sequence Spread Spectrum) signal into two lowerrate, narrowerbandwidth components, then these are transmitted by modulating orthogonal carriers, signals are recombined at receiver.
文中研究了一种无线电定位的新方法,该方法首先将直接序列的扩频信号分成两路低速的窄带信号,然后每路窄带信号再调制互相正交的载波发射,在接收端恢复出原来的高速直扩信号,再使用常规方法得到传输时延,测量出目标的距离。
In this paper, First of all, The basic principle of Simulation Software of System View was given, then we made a point on the application of System View to teaching in the course of Spreading band communication, And one DS Spreading band system as an example was given, So we can actualize System View is very important for Spreading band communication Courses .
对System View仿真软件作了简要介绍,详细论述了其在扩频通信课程中的应用,并以直接序列扩频原理为例说明了该仿真软件的应用。
FFT-based computation of periodic correlation functions of direct sequences;
基于FFT的直扩序列周期相关函数的计算
Sequence Design for Direct Sequence Spread Spectrum Communication System;
直接序列扩频通信系统中的序列设计
Implementation of Direct Sequence Spread Spectrum Based Train Positioning Receiver
基于直接序列扩频技术列车定位接收机的实现
Research on Synchronization in UWB System Based on Direct Sequence Spread Spectrum;
基于直接序列扩频的UWB系统同步研究
Research on Parameter Estimation Methods for Direct Sequence Spread Spectrum Signals;
直接序列扩频信号参数估计方法研究
Detection and Parameters Estimation of Direct Sequence Spread Spectrum Signal;
直接序列扩频信号的检测和参数估计
Research on Synchronization Technology of Direct Sequence Spread Spectrum Communication;
直接序列扩频通信中的同步技术研究
Research on Interference Mitigation of DS-UWB
直接序列扩频超宽带抗干扰技术研究
Blindly Detection and Parameters Estimation of Direct Sequence Spread Spectrum Signal
直接序列扩频信号盲检测与参数估计
Design of Direct Sequence Spread Spectrum HF Modem Based on Z87200
基于Z87200的直接序列扩频短波Modem的设计
Analysis of Direct Sequence Spread Spectrum Communication System Based on MATLAB Simulation
基于MATLAB的直接序列扩频通信系统仿真
Direct sequence spread spectrum system simulation based on SystemView
直接序列扩频系统的SystemView仿真
Narrowband Interference Suppression in Direct Sequence Spread Spectrum Systems
直接序列扩谱通信中的窄带干扰抑制
FPGA implementation of the despreading module in direct-sequence spread-spectrum system
直接序列扩频系统解扩模块FPGA实现
Study of Direct Sequence Spread Spectrum Receiver Base on Software Radio;
基于软件无线电的直接序列扩频接收机的研究
The Digital Receiving Technology for Direct Sequence Spread Spectrum System;
直接序列扩频通信系统的数字化接收技术研究
Acquisition of Pseudo-Noise Sequence in Direct-Sequence Spread Spectrum Systems;
直接序列扩谱通信系统中伪随机序列捕获技术研究
ACQUISITION AND CODE TRACING FORTHE DS SPREAD SPECTRUM COMMUNICATION SYSTEMS
直接序列扩展频谱通信系统的同步捕获与跟踪
A method of detection cyclic spectral density for DS/SS signal
直接序列扩频信号的周期谱密度检测法
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