搜索资源列表
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.
121114135costas.rar
- 通信载波恢复中Costas环仿真的Matlab编程,Communication Costas carrier recovery loop simulation in the Matlab programming
costas_loop
- costas环载波同步与解调,其中有环路滤波器系数估算-costas loop carrier synchronization and demodulation, including the loop filter coefficients estimation
gps_tracking
- 澳大利亚新南威尔士大学研究的GPS接收机的FPGA跟踪模块的.v程序,包括载波跟踪环路、码跟踪环路、通道累加等模块。-The University of New South Wales, Australia, the study of the FPGA tracking GPS receiver module. V procedures, including the carrier tracking loop, code tracking loop, the channel accumulati
qpsk
- 定义锁相环的工作模式:单载波为“1”、BPSK调制为“2”、QPSK调制为“3”-The definition of phase-locked loop mode of operation: single-carrier for the " 1" , BPSK modulation for the " 2" , QPSK modulation for the " 3"
CarrierRecovery
- Carrier Recovery Using a Second Order Costas Loop
qpsksystem_SJSU_mdl
- QPSK modulation system with recover loops-This is a model of a QPSK modulation system for transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC fi lters with excess bandwidth α = 0.18 are employed. Th
costas
- costas环matlab仿真程序,用于载波恢复,能够达到很好的效果。-matlab simulation program costas loop for carrier recovery, to achieve good results.
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
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
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.
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
costas
- 本文介绍了直接序列扩频系统中数字Costas环的设计与实现,用来实现载波同步的闭环算法-This paper introduces the direct sequence spread spectrum digital Costas loop in the design and implementation to achieve closed-loop carrier synchronization algorithm
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
costas_ClosedLoop_IIR
- 基于IIR滤波器的costas环的simulink实现,区别于不同的costas环,可以实现通信系统的载波同步,可以直接在matlab上打开实现,对于通信系统的同步问题的学习和设计-IIR filter based on simulink realization of costas loop, different from the various costas loop, carrier communication system can be achieved simultaneously, y
the-Costas-loop-
- 用MATLAB SUMULINK仿真 抑制载波双边带调制的科斯塔斯环载波恢复和解调模型-Simulation with MATLAB SUMULINK carrier suppression double sideband modulation of the Costas loop carrier recovery and demodulator model
OFDM-Carrier-Sync
- OFDM系统中提出一种改进方法对频偏的捕获, 在联合使用9个短前导序列和长前导序列估计算法的基础上,采用鉴频环路的方法来消除算法中的除法和取模运算 -OFDM system in an improved way of deviation of the capture, in the joint use of nine short leader sequence and the long preamble sequence estimation algorithm, based on the fr
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
costas loop for BPSK demod
- Costas loop for BPSK demodulation