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在FPGA中用costas环实现载波同步和数字下变频
- 在FPGA中用costas环实现载波同步和数字下变频，对于costas环的学习很有帮助
SystemView
- 文件名 例子说明 1-1.svu 信号的平方 1-2.svu 双边带调幅信号的频谱 3-1.svu 拉普拉斯系统 3-2.svu 三阶系统的根轨迹与波特图计算 4-1.svu AM调制解调 4-2.svu AM 超外差收音机模型 4-3.svu SSB移相法形成 5-1.svu 间接法调频 5-2.svu 阿姆斯特兰朗法调频 5-3.svu FM积分鉴频器的仿真 5-4.svu 声音通过FM传输 6-1.svu 用一阶锁相环实现的FM解调器 6
costas_loop
- costas环基于matlab的simulink的仿真实现-costas loop in simulink matlab-based simulation to achieve
costas
- 载波同步，costas环，基于Verilog的载波同步环-Carrier synchronization, costas ring, based on Verilog carrier synchronization ring
GPS_CAcodeSignal
- 主要是关于GPS卫星C/A码信号的产生、捕获以及跟踪的S曲线图，还有科斯塔斯环的一个实例。-Mainly on the GPS satellite C/A code signal generation, capture and track the S curves, there is an instance of Costas Loop.
costas_example
- 这是一个costas环的例子，我做了比较详细的说明-This is a costas loop as an example, I have done a more detailed explanation
AWGN
- 介绍AWGN下平方环和科斯塔斯环的性能仿真分析-AWGN introduced under the square ring and the performance of Costas Loop Simulation
PLLSimulation
- 该程序包含一般数字PLL仿真maltab程序和数字COSTAS环程序-The program includes general digital PLL simulation procedures and the number of maltab Central procedures COSTAS
CarrierRecovery
- Carrier Recovery Using a Second Order Costas Loop
Costa_sss
- 科斯塔斯环 有助于载波同步的研究 锁相 载频3.563MHz，初始频率3.5628MHz 绘图显示具体的循环锁相过程 绘图显示相位变化-Costas reference for carrier synchronization fc0=3.563MHz,fc=3.5628Mhz show the process of synchronzation and phase change with figure.
costas_carrier_recover
- 基于硬件定点的完整的costas载波恢复环设计，FPGA设计可以用之参考。包括输入QPSK信号，16倍符号率采样，初始频差2.4KHz，以及低通滤波器的设计等待。最重要的是有本人的注释，易于上手。-Hardware-based fixed-point of complete costas carrier recovery loop design, FPGA reference design can be used. Including input QPSK signal, 16 times th
costas_loop
- costas loop in carrier recovery
costas2
- costas loop 2. Bpsk symbols
synchronization
- 利用matlab仿真实现载波的平方环载波同步,costas环载波同步和符号同步.-achieved quadratic loop carrier synchronization, costas loop synchronization and symbol synchronization within matlab
CarrieRecoveryUsingaSecondOrderCostasLoop
- Carrier Recovery Using a Second Order Costas Loop
synchronization
- 采用AFC技术来锁定频，采用Garden技术进行定时恢复，采用Costas环进行相位的锁定-Use technology to lock the frequency of AFC, using Garden timing recovery techniques using Costas loop for phase locking
SynchronousCommunications-JohnPCostas01037570
- Original Synchronous Commnunications by John P Costas
Carrier_Recovery_Using_a_Second_Order_Costas_Loop.
- 本文详细的介绍了一个数字科斯塔环的具体实现，并且附有matlab仿真代码，基于AM调制，以及希尔伯特变换-This paper introduces a concrete realization of digital Costas loop, and with matlab simulation code, based on AM modulation, as well as the Hilbert transform
Digital_Costas_loop_in_FPGA_Design_and_Implementat
- 全数字Costas环在FPGA上的设计与实现-Digital Costas loop in FPGA, Design and Implementation
pat4344178
- costas us pattent pdf