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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
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
DVB
- DVB-C En300 429_e2(用于电缆系统的帧结构,信道编码和调制)-DVB-C En300 429_e2 (for cable systems frame structure, channel coding and modulation)
dianlixitong
- 本文利用核心芯片TDA5051A,采用ASK(幅度键控)调制技术,建立电力线通信系统,实现数字信号在电力线上进行传输。 关键词:电力线通信 TDA5051A 调制解调器 -In this paper, the core chip TDA5051A, using ASK (amplitude shift keying) modulation technology, the establishment of power line communication systems, digital
c682b1025e92060387a50101848500dc
- 数字信号调制电路、解调电路的设计和对数字信号数字调制无线传输的测试-Digital systems, easy integration, small size, light weight
DDS-baseddesignofthesinusoidalsignalgenerator
- 本设计采用AT89552单片机,辅以必要的模拟电路,实现了一个基于直接数字频率合成技术(DDS)的正弦谊号发生器。设计中采用DDS芯片AD9850产生频率1KHZ~10MHZ范围内正弦波,采用功放AD811控制输出电压幅度, 由单片机AT89S52控制调节步进频率1HZ。在此基础上,用模拟乘法器MC1496实现了正弦调制信号频率为1KHZ的模拟相度调制信号;用FPGA芯片产生二进制NRZ码,与AD9850结合实现相移键控PSK、幅移键控ASK、频移镇键FSK。-AT89552 the singl
06603
- TIMS硬件实验报告,实现模拟信号SSB、AM、FM,以及数字信号ASK、PSK、FSK的调制与解调,包含完整的模块连接图-TIMS hardware test report, the realization of analog signal SSB, AM, FM, and digital signal ASK, PSK, FSK modulation and demodulation, the modules contain a complete map
UWB_PPM_RAKE
- PPM调制的超宽带系统RAKE接收机的误码率仿真程序-BER simulation of PPM_UWB system
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
icassp99
- 利用时-频方法实现调制信号的识别,并给出正确识别率-CLASSIFICATION OF MODULATION MODES USING TIME-FREQUENCY METHODS
estimation_OFDM
- OFDM信道的参数估计模拟。QDPSK调制,采用训练信号。-OFDM channel estimation simulation.
111
- 2fsk调制解调器的DSP实现,对于 2FSK,调制就是把输入数字序列变成适合于信道传输的变频正弦波(2FSK 信号)-2fsk modem DSP implementation, for 2FSK, modulation is to enter a number sequence into a suitable transmission channel frequency sine wave (2FSK signal)
gaopin.
- 高频信号发生器整机包括音频振荡器,高频振荡器,调制电路和电源电路等部分-High-frequency signal generator machine including audio oscillator, high-frequency oscillator, modulation circuit and power supply circuit and some other
dddd
- 通信仿真学习必备,基于MATLAB的数字调制信号仿真系统设计-Learn essential communication simulation, MATLAB-based Simulation System for digital modulation signals
LFMquar
- 脉冲信号调制解决了线性调频信号的调制特性-LFM
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
example4_7
- DSB调制和相干解调系统仿真 fm=2-figure subplot(311) plot(f,abs(yr)/N) title( 接收信号与相干载波相乘后的频谱 ) xlabel( f /Hz )
MPSKQAM
- 本文深入研究了复杂调制信号MPSK、MQAM的倍号子类以及常用恒包络信 号OQPSK、or/4 QPSK、MSK的调制识别披本。在鳆种基本调制识别方法即基于特征提取的方法和基于最大似然的方法的纂础上采用四种算法分别对上述信号进行识别研究。-This article studies the complex modulation signals MPSK, MQAM number of times and the common sub-class of constant envelope sig
simulink
- simulink的数字调制解调仿真。以simulink为基础平台,对2ASK、2FSK、2PSK信号的仿真-Digital modulation and demodulation simulink simulation. The simulink-based platform, 2ASK, 2FSK, 2PSK Signal Simulation