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经典载波跟踪环costas环simulink建模仿真
- 经典载波跟踪环costas环simulink建模仿真，采用QPSK调制，包含上下变频以及三种不同鉴相方式。,Classic costas loop carrier tracking loop simulink modeling and simulation, using QPSK modulation, including the upper and lower frequency, as well as phase three different ways.
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
AM_costas_loop
- 在matlab中利用Costas环对AM通信系统进行载波相位跟踪，代码中带有详细注释。-Costas loop in matlab using communication systems on the AM carrier phase tracking, the code with detailed comments.
costas
- costas for gps its a pll tracking used for gps and galileo
costas
- 使用costas环实现载波同步，绘制出了载波频率跟踪曲线-Achieve carrier synchronization using the costas loop, draw the curve of the carrier frequency tracking
spll_simplest_IQ
- 利用科斯塔斯环实现软件锁相环，完成信号相位的跟踪-Costas loop using software PLL to achieve complete phase tracking signal
Costas
- 介绍了某直接序列扩频、QPSK调制系统接收通道中四相Costas 载波跟踪环的原理及其基于 DSP+FPGA 的实现-Introduced a direct-sequence spread spectrum, QPSK modulation system, receive path Costas carrier tracking loop four-phase principle and its implementation based on DSP+ FPGA
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
costas2
- 使用MATLAB 代码完成COSTAS环对QPSK调制的解调载波频率的跟踪-Use MATLAB code completion COSTAS loop tracking of QPSK modulation carrier frequency demodulation
SIGNAL-PROESSING
- 为了优化GPS接收机数字信号基带处理过程，提高伪距测量精度和GPS定位精度，需要从解扩解调的角度，建立相应 同步环路的数学模型，分析GPS接收机基带数字信号处理算法。采用循环相关法作为信号捕获方法，采用Costas环作为信 号跟踪方法，在MATI AB环境下实现了相应的算法设计、验证与仿真。验证结果表明这种算法能够为软件CPS接收机提供 快速捕获及跟踪能力，是一种适用而高效的软件CPS接收机处理算法，对于开发GPS接收机产品以及开展相关领域的研究 工作都具有重要的意义。-In o