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hdb
- 数字基带信号的传输是数字通信系统的重要组成部分。在数字通信中，有些场合可不经过载波调制和解调过程，而对基带信号进行直接传输。采用AMI码的信号交替反转，有可能出现四连零现象，这不利于接收端的定时信号提取。而HDB3码因其无直流成份、低频成份少和连0个数最多不超过三个等特点，而对定时信号的恢复十分有利，并已成为CCITT协会推荐使用的基带传输码型之一。为此，本文利用VHDL语言对数据传输系统中的HDB3编码器进行了设计。 基于达到达到达到的信号发生器的源程序-Digital baseband
BPSK
- Simulink model of AWGN BPSK with carrier recovery.
costas_ClosedLoop
- A Costas loop is a phase-locked loop used for carrier phase recovery from suppressed-carrier modulation signals, such as from double-sideband suppressed carrier signals. It was invented by John P. Costas at General Electric in the 1950s. Its inventio
costas_ClosedLoop_IIR
- A Costas loop is a phase-locked loop used for carrier phase recovery from suppressed-carrier modulation signals, such as from double-sideband suppressed carrier signals. It was invented by John P. Costas at General Electric in the 1950s. Its inventio
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
sqrt-base-on-fpga
- 对一种改进的不恢复余数的开方算法(non - restoring square - root algorithm)进行了讨论 ,并将其应用于基于 IEEE 754 标准的32 位浮点格式的开方运算中 ,以一款 FPGA 为载体 ,实现了进行运算的基本电路。对目前存在的几种开方 算法进行了评述 ,分析了他们的优缺点 ,提出了改进的不恢复余数开方算法模块化的设计思路与关键电路 ,并分析了仿真和 逻辑综合的结果 ,证明了该算法运算速度较快且占用资源极少的特点。-An improved no
Carrie-recover
- 这是一篇外国的硕士论文，针对无线通信载波恢复的，文中有matlab编写的模块（源代码）-This is a foreign master' s thesis for wireless communications carrier recovery, and the text written in matlab module (source code)
costas
- 科斯塔斯环载波恢复，用来跟踪输入信号的载波频率-carrier recovery by costas loop
QAM_Matlab
- 实现数字接收机的基本功能,包括信道均衡，载波恢复，同步恢复，匹配滤波器等-The basic functions of digital receivers，Including channel equalization, carrier recovery and synchronization recovery, the matched filter
psk31_9b_12a
- PSK31 Model with Symbol Timing and Carrier Recovery-This model implements a communication standard known as PSK31. The transmit portion of the model can either synthesize the PSK31 signal, or use real world signals that were captured as Wave files.
QQPSSK_SimullP
- QPSK的Matlab/Simulink的调制解调仿真系统，给出接收信号眼图及系系统仿真误码率，包含载波恢复，匹配滤波，定时恢复等重要模块，帮助理解QPSK的系统 -QPSK modulation and demodulation of Matlab/Simulink simulation system, given the received signal eye diagram and other system simulation error rate, including carrie
TBMatlab
- 软件无线电的matlab程序，包含了一个软件无线电全功能接收机的实现：信号产生、调制与解调、数字滤波和fft变换、载波恢复和脉冲成形，同步恢复，线性均衡，编码Mix‘n 接收机-Software radio matlab program, includes a full-featured software-defined radio receiver implementation: signal generation, modulation and demodulation, digital f
carrier-recovery
- this code simulate the channel model and function about channel
COSTAS_LOOP
- 使用ISE12.1编写的Costas环，用于载波恢复，直接使用了IP核中的FIR和DDS模块-Use ISE12.1 written Costas loop for carrier recovery, the direct use of the IP core of FIR and DDS module
code
- 卷积码的维特比译码函数与通信中接收端载波恢复的科斯特斯环函数.-The receiving end of the carrier recovery convolutional codes Viterbi decoding functions and communication functions Costes ring
Post_S_DSP_Phase_16QAM
- MQAM在DSP中进行信号处理需要的载波相位恢复程序，适用于16QAM信号的载波相位恢复，利用Python语言编写 -MQAM signal processing in the DSP requires the carrier phase recovery process, the 16QAM signal applied to the carrier phase recovery, using the Python language
MATLAB3E23
- 【matlab编程代做】载波同步恢复16QAM星座图-[Do] matlab programming generation carrier synchronization recovery 16QAM constellation
LJDS4554
- 【matlab编程代做】载波同步恢复16QAM星座图可以作为参考使用学习 -[Do] matlab programming generation carrier synchronization recovery 16QAM constellations can use as a reference to learn
times_four_carrier_recovery
- 实现了OFDM信号的四倍载波恢复，通过带通，滤出4fc。-Four times to achieve the OFDM signal carrier recovery, through a bandpass filtered off 4fc.
costas loop for BPSK demod
- Costas loop for BPSK demodulation