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adaptive-predistortion_HCQ
- 对双音信号的LUT基带数字预失真,功放采用saleh模型,附有各文件的组成说明。适合于深入学习功放线性化技术。该仿真对宽带和窄带都做了仿真,对窄带的效果更好,仍然有改进的余地。-This is a simulation program of Matlab for LUT digital baseband predistortion. It is helpful in learning High power amplifier linearity technology. Both of the n
snr_serMatlab
- 数字通信系统中采用基带传输和频带传输[ 1, 2 ] ,在抽样判决器之前,信号叠加了信道噪声. 本文利用 Matlab软件仿真[ 3, 4 ]分析了在判决器前叠加了高斯噪声后,信噪比与系统的误码率之间的关系.-Digital communication system using baseband transmission and band transmission [1, 2], in a sample before the decision device, the signal super
ofdm
- 正交频分复用的调制解调:实现了mb-ofdm的基带超宽带信号调制解调-Orthogonal frequency division multiplexing of the modulation and demodulation: the mb-ofdm of base-band ultra-wideband signal modulation and demodulation
GMSKsim
- GMSK调制程序,采用I/Q调制,生成基带GMSK信号,供大家学习和参考!-GMSK modulation procedures, the use of I/Q modulation, to generate baseband GMSK signal for them to learn from and reference!
JohnGProakis
- 覆盖了全书的信号与线性系统、随机过程、模拟调制、模拟数字转换、基带数字传输、带限信道的数字传输、载波调制的数字传输、信道容量和编码、扩频通信系统以及数字调制方法的SIMULINK仿真的 源代码-Book covers the signal and linear systems, stochastic processes, analog modulation, analog-to-digital conversion, base-band digital transmission, band-li
SimulationBasedSystems
- 仿真基带数字调制系统实现滚降系数分别为0,0.5,1时信号时域,频域和功率谱密度以及眼图的波形-Simulation-based systems with digital modulation to achieve roll-off coefficients were 0,0.5,1 the signal in time domain, frequency domain and power spectral density and waveform eye diagram
MultipathSimulation
- 用matlab程序仿真基带QPSK信号通过多径信道的产生 -Process simulation baseband QPSK signals generated multipath channel in matlab
chapter7
- 本文主要介绍了数字信号的基带传输原理及其在systemview下的实现方法-In this paper, the digital baseband signal transmission principle and its implementation under way in systemview
IS_95forward-system
- 接收部分从信道接收信号。经基带滤波、短码解扩、沃尔什解调、解扰、去交织和维持比译码,输出解调后的信号。各通信模块和发射机的相关模块设计类似。-Receiving part receives signals from the channel. The baseband filtering, short code solution extender, Walsh demodulation, cross talk, go to interweave and solution than decoding
bpsk
- 用一个双极性基带数据信号对载波进行角度调制产生BPSK信号s(t)=10cos[wct+Dpm(t)]。-With a bipolar baseband data signal generated BPSK modulated carrier signal point s (t) = 10cos [wct+ Dpm (t)].
Digital-baseband-system
- 数字基带系统将数字信号从时域上看时数字滚降,需要画出滚降前后的波形展示出来。频域上带宽变化了。输入滤波器之前的波形与采样判决之后的波形。采样判决前的频谱。 采样判决后的码型。 2、眼图(采样判决之前的眼图)(信噪比大眼图清晰) 3、误码曲线,(横坐标时信噪比,纵坐标时误码率) 4、Arfa变化对误码特性的影响,变好还是变差(变好),眼图清晰度变化(清晰),传递函数的带宽的变化。(带宽越大)-1.Digital baseband system point of view the d
matlab
- 基于matlab的数字基带系统各种调制解调链路,包括am,ssb,pcm等,对调制信号,误码率,眼图等进行了仿真-Matlab-based system, a variety of digital baseband modem link, including am, ssb, pcm, etc., on the modulation signal, the error rate, eye diagrams simulated
GMSK
- 采用Matlab实现GMSK的正交调制与解调,要求画出基带调制信号及GMSK信号的波形-Achieved using Matlab quadrature GMSK modulation and demodulation, asked to draw GMSK baseband modulation signal and the signal waveform
ContemporaryCommunicationSystems
- 本书提供了MATLAB在计算机上解决“现代通信系统”课程中涉及的个方面问题,分别讨论了信号与线性系统、随机过程、模拟调制、模拟数字转换、基带数字传输、数字传输、信道容量和编码、扩频通信系统等-The book provides MATLAB on the computer to solve the course of modern communication systems involved in aspects were discussed in signals and linear syst
GPS-signal
- 利用Matlab生成C/A码的基带/中频信号和P码的基带/中频信号,也就是生成一个完整调制在的L1载波上的信号。 -Using Matlab to generate the C/A code baseband/IF signal and the P code baseband/IF signal, is to generate a complete modulation of the signal in the L1 carrier.
rcosflt_Jamming
- 1、根据干扰总功率要求,在PSK调制信号带宽内产生单音干扰和多音干扰信号,并叠加到产生的信号源上。 2、将收到干扰的信号进行频率搬移到基带,然后通过匹配滤波器以及解调过程得到信息,统计误码率并与真实信息的解调误码率进行对比,评估音频干扰对PSK信号的干扰效果。 -1, according to the total power requirement of interference generated tone signal interference and multi-tone inte
YUYIN
- 用matlab记录一段基带语音信号,采样频率设为44.1kHz。产生一个高斯白噪声 随机过程,并将噪声叠加在语音信号上(相当于将语音信号通过一个高斯信道)。 (1) 设定不同的噪声信噪比,画出并比较高斯信道接收端的信号时域波形,播 放接收信号。 (2) 由于语音信号的范围通常在3kHz以内,在接收端加载一个低通滤波器, 截止频率为3kHz,画出并比较滤波前后的信号时域波形,并播放滤波后 的信号。-Matlab record with some baseband voice
QPSK-BER
- 一个仿真数字带通QPSK调制系统的误码率的matlab程序。无论是仿真带通系统还是基带通信系统,通信系统模型的误码率的计算过程主要由设置相关参数、创建信号、即信源编码、调制、对调制信号添加高斯噪声、解调、计算系统的误码率等步骤组成。这个例子详细介绍如何利用matlab通信工具箱中提供的函数实现系统的误码率的仿真。-BER simulation of a digital bandpass QPSK modulation system matlab program. The simulation s
simu_BPSK
- 对基带bpsk信号加高斯白噪声做误码率分析-Bpsk baseband signal plus Gaussian white noise do BER analysis
M2
- 数字通信塔,用增量调制将模拟信号转换为离散的数字信号,在基带中采用Miller码编码,信道编码采用汉明码,调制方式采用PSK,通过AWGN信道传输。-A digital communication system,PCM encoding converts analog signals into discrete digital signal, uses Miller code coding in baseband and Hamming code in channel coding , the