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costas--m
- 本程序是用matlab程序语言编写的costas环仿真程序,并对于模拟的costas环的性能进行了分析,costas环主要用于载波同步,本设计实现了对于载波频率跟踪的实现,并且给出图形对比-The program is written in matlab program costas loop simulation program, and the simulated performance of costas loop analysis, costas loop is mainly used
tracking
- This is GPS tracking matlab code. Performs code and carrier tracking for all channels.
Tracking
- 实现gps卫星的跟踪功能。载波跟踪环采用锁频环辅助下的锁相环,码跟踪环采用延迟锁相环。-Gps satellite tracking to achieve. Carrier tracking loop using the aid of frequency-locked loop PLL, code tracking loop using delay locked loop.
gprs
- 基于滑动DFT和插值DFT算法的GPS信号载波跟踪方法,很好很强大-DFT and interpolation based on the sliding DFT algorithm for tracking the GPS signal carrier method, a good strong
tracking
- gps单频软件接收机跟踪程序,用c语言在vc++6.0开发环境下写成,并且对载波产生和码产生使用x87的浮点汇编指令集提高速度。-single-frequency software receiver gps tracking program, using c language in vc++6.0 development environment, written and produced for use of carrier generation and code compilation of
High-Dynamic-Carrier-Tracking-Using-Kalman-Filter.
- GPS信号的基带处理在IEEE发表的文章有关信号捕获和跟踪的-GPS baseband signal in the IEEE published articles related to signal acquisition and tracking of
carrier_nco
- 通信电路中产生载波的电路,可应用于GPS中的捕获和跟踪环路。-Generated carrier communication circuit of the circuit, can be applied to GPS in the capture and tracking loop.
SysgenQAM16Demodulation
- 采用Xilinx的Sysgen工具建立的16QAM调制解调模型,其中包括信源生成、多普勒频偏、载波跟踪环路等。-Established by the use of Simulink model of 16QAM modulation and demodulation, including source generation, Doppler shift, such as carrier tracking loop.
GPS_carr_loop
- GPS跟踪模块的载波跟踪环的仿真程序,可以成功的仿真载波跟踪的过程。-GPS tracking module carrier tracking loop of the simulation program can be a successful simulation of carrier tracking process.
frerecov
- 通信系统中有关于利用锁相环完成载波跟踪恢复的仿真功能-Communication system using phase-locked loop on the completion of the simulation function to restore the carrier tracking
OFDM
- 该模型实现了一个通用的OFDM TX和RX,这是不依赖于任何特定的行业标准。该模型的目标是开发和研究不断(不是“突发”)载波同步和定时跟踪方案。该技术纳入然后可以扩展和修改,以标准的具体通讯套件。该模型采用了“收购”技术,它利用了循环前缀相关属性,以赶在试图完成罚款跟踪算法一帧的边界粗略的估计。该模型实现了一个16点64循环前缀的OFDM载波波形。在OFDM符号有16个飞行员,3后卫音(0,带边幅),并使用45 QAM的剩余数据流4。 这包括最新型的衰落信道,误码率计算,并
DesignoftrackingloopofGPSsoftwarereceiver
- 本文在分析GPS 软件接收机跟踪原理的基础上,首先比较码环与载波环不同鉴相器的性能,然后对二阶锁相环中不同环路参数设下的跟踪效果进行仿真分析,最后设计 了合适的码环与载波环路,并用实际采集的GPS 数据论证了所设计环路的有效性,为GPS 软件接收机跟踪环路的设计提供了参考。-Based on the analysis of GPS receiver tracking software on the basis of the principle, first compare the diffe
cs_4
- MATLAB实现GPS直接序列扩频信号载波跟踪-MATLAB realization of GPS tracking direct sequence spread spectrum signal carrier
SINSGPS-ouhe
- SINSGPS紧耦合接收机载波跟踪环路分析,属于北斗导航年会的一篇文章-SINSGPS tightly-coupled receiver carrier tracking loop analysis, is the annual meeting of the Beidou navigation article
gps
- 极弱信号环境下GPS 位同步和载波跟踪技术-Bit Synchronization and Carrier Tracking for Very Weak GPS Signals
GPS-research
- 本文以GPS中频数字信号的仿真为目标,以Matlab/Simulink为平台,对真实环境 下中频信号的生成算法!接收算法进行了研究和仿真实现"论文详细论述了GPS中频 数字信号的数学模型!导航信号的误差模型,和信号仿真时应注意的关键问题,给出了 中频信号软件模拟器结构"同时,论文对中频信号的接收算法也进行了简单的研究,并 用仿真生成的数字中频信号对软件接收机的捕获和跟踪性能进行了验证"实验结果表明 该系统基本实现了GPS中频信号的产生和接收功能,接收端能正确解扩解调,能在一
GPS-Matlab-Simulation
- 本书讲述了全球定位系统GPS的基本原理和概念。具体包括GPS测量原理,GPS的结构和发展历史.GPS伪距定位和载波相位定位的原理GPS中使用的坐标系和时间系统,C/A码的实现原理及载波调制过程,GPS信号捕获和跟踪原理及实现.便携式GPS系统的设计与实现及常用芯片资料等。-This book describes the basic principles and concepts of the Global Positioning System (GPS). Including the struc
PLL_matlab
- 二阶和三阶锁相环实现costas环,能够实现载波跟踪-Second and third order phase-locked loop to achieve costas, to achieve carrier tracking
bd_psk_decoder20150303
- 对DQPSK调制解调技术的FPGA实现进行了比较全面的研究,利用nQpSK调制技术实现了码速20oKbps的调制器。调制载频3.2MHz、带宽18oKHz、带外抑制大于45dB,调制器设计达到预定要求。解调器硬件完成,软件未全部实现,但完成了CIC滤波器、载波跟踪环、位定时同步、并串转换等几个关键模块的设计。对解调器做了实验测试,验证了相关模块设计的正确性,解调器中重要的载波同步功能己能实现-DQPSK modulation and demodulation techniques for FPG
tracking
- 用matlab解决卫星信号跟踪的问题。仿真程序,可以成功的仿真载波跟踪的过程。(Using MATLAB to solve satellite signal tracking problem. Simulation program, you can successfully simulate the carrier tracking process.)