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DSP_DESIGN
- 基于C54X的DSP载波数字解调系统的设计，该硬件系统工作稳定，可以实现信号的实时处理，如可以实现语音信号的实时处理，通信信号的实时调制解调灯。在此基础上，为了验证DSP芯片的高性能，在此硬件平台上实现了两个具体应用：一个是高性能的FIR数字滤波器；一个是2FSK数字解调算法的实现。-C54X DSP-based carrier digital demodulation system design, the hardware system stability, can achieve the r
sasdw.rar
- 现有数字信号自动调制识别方法大多只适用于无记忆信号，如PSK、ASK、FSK信号等。将有记忆 信号(MSK信号)和无记忆信号一起考虑，提出了一种改进的数字信号自动识别方法。该方法采用信号的瞬时统 计量作为特征参数，采用多层神经网络作为分类器。计算机仿真表明：当噪声采用高斯白噪声，并且信噪比大于 l5 dB时，识别率高于96％ ；当信噪比不低于l0 dB时，识别率不低于90％。,Existing digital signal automatic modulation recognition
2ASK.二进制幅度键控
- ASK（二进制幅度键控）是一种最简单的数字信号的载波传输，本文通过对数字信号的2ASK调制，解调在不同信噪比的情况下误码率分析，得出不同信噪比下的误码率。 通过对2ASK的仿真更好的理解了数字调制系统的组成以及各模块的功能。 ,ASK (binary amplitude shift keying) is a simple digital signal carrier transmission, this paper 2ASK digital signal modulation, demod
OFDM
- 给出了OFDM在卫星通信中的系统框图并 在Simulink中仿真实现，利用改进的CMA恒模算法进行盲均衡处理，来去除时变卫星信道对信号的影响,基于4阶累积量的方法 将OFDM信号与其他调制类型信号区分开来-OFDM is given in the satellite communication system block diagram and Simulation in Simulink using the modified constant modulus algorithm CMA
12121
- 一种多进制频移键控信号的调制分类及解调方法结束后，返 回到BCP继续呼叫处理的终结点。 -An MFSK signal modulation and demodulation method of classification after the call to return to the BCP continues to deal with the end point.
GM7221SCH
- 视频编码电路主要实现接收8位CCIR656格式的YUV数据，（例如MPEG解码数据），并编码成亮度Y和色度信号C，以及合成CVBS信号，经过D/A转换后输出。基本的编码功能包括副载波产生，色差信号调制，同步信号内插。 主要应用在视频处理，军事图像处理。 GM7221设计原理图-Video encoding circuit main reception 8 CCIR656 format YUV data (such as MPEG decoding the data), and encod
COSTAS
- 根据韦瓦[ Weawa] 单边带调制解调法、COSTAS 锁相环及双线性变换, 提出基于软件无线电的单边带锁相解调器。解调器运行在TMS320C6203 上, 能实时处理160kHz 信号, 捕捉8kHz 频偏。-According to韦瓦[Weawa] SSB modulation and demodulation method, COSTAS PLL and the bilinear transform, based on software radio single sideband ph
QPSK
- 提出了一个采用(2,1,7)卷积码+QPSK的中频调制解调方案,并在Xilinx公司的100万 门FPGA芯片上实现了该系统。该系统在信噪比SNR为6dB左右时可实现速率超过1Mbit/s、误码率 小于10-5的数据传输。 -Proposed a use of (2,1,7) convolutional code+ QPSK modulation and demodulation of the IF program, and in Xilinx' s FPGA chip one
ZX
- 本系统以51单片机及FPGA为控制核心，由正弦信号发生模块、功率放大模块、调幅（AM）、调频（FM）模块、数字键控（ASK，PSK）模块以及测试信号发生模块组成-The system of 51 single-chip and FPGA for the control of the core module by the sinusoidal signal, power amplifier module, AM (AM), frequency modulation (FM) module, dig
FPGA_mod_demod
- 使用FPGA进行信号调制解调，基础的实现方式，对初学者来说较为有用-The use of FPGA for signal modulation and demodulation, based on the realization of the way, is more useful for beginners
ofdmspectrum
- plot OFDM spectrum, signal modulation and signal demodulation.
qam8_nograycode
- An 8-QAM communications channel simulation in Simulink, constructed from a 16-QAM model and using an I,Q correlation receiver. QAM (quadrature amplitude modulation) is a method of combining two amplitude-modulated (AM) signals into a single chan
gmsk
- ：为了论证高斯最小频移键控(GMSK)信号在时域和频域的相互关系，分析了GMSK信 号调制原理和滤波器传递函数，建立了GMSK调制和解调模型。-: In order to demonstrate Gaussian Minimum Shift Keying (GMSK) signal in time domain and frequency domain, the relationship between the analysis of GMSK signal modulation princ
fsk
- 什么是信号调制？在测控系统中为什么要采用信号调制？什么是解调？在测控系统中常用的调制方法有哪几种？ -Coherent detection of fsk Fsk modulation is characterized by the information being contained in the frequency of the carrier. What is the signal modulation? Has to use the signal modulation why i
4PSK
- 基于Matlab模拟实现，是基于Matlab的仿真，对软件的要求很高，要求用Matlab实现对信号的调制解调和对信道的模拟。-Matlab-based simulation implementation is based on the Matlab simulation, the software requirements, demanding to achieve with Matlab signal modulation and demodulation and analog channel
Modulation
- 几篇关于信号调制参数提取和识别的硕士论文，不错，希望有所帮助！-Several articles on the signal modulation parameter extraction and identification of the master' s thesis, well, I hope some help!
MPSK-modulation-identification
- 阐述了现有的关于 信号调制识别的方法及其优缺点，并分析了国内外 信号的调制识别研究的现状及其发展趋势-Elaborated on the signal modulation recognition method and its advantages and disadvantages, and the analysis of signal modulation recognition of domestic and foreign research status quo and developm
QPSK-modulation-in-MATLAB-platform
- 通过在MATLAB平台上仿真实现了QPSK信号的调制与解调,进一步分析其性能.-QPSK signal modulation and demodulation simulation in MATLAB platform, further analysis of its performance
Baseband-modulation
- 基带数字信号调制方法总结.包括ASK PSK FSK-Baseband digital signal modulation methods are summarized, including ASK PSK FSK
DigitalModulation
- Maunal on transmition of data using modulation