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passband-modulation
- 利用BPSK, DBPSK, QPSK, OQPSK, 16QAM, PAM, 信号进行基带,通带调制解调,分析频域,时域波形,误码率等-Using BPSK, DBPSK, QPSK, OQPSK, 16QAM, PAM for modulation and demodulation. Analyzing the spectrum, wave forms, and bit error rate
FSK
- FSK(Frequency-shift keying)- 频移键控是利用载波的频率变化来传递数字信息。它是利用基带数字信号离散取值特点去键控载波频率以传递信息的一种数字调制技术。FSK(Frequency-shift keying)是信息传输中使用得较早的一种调制方式-FSK (Frequency-shift keying)- Frequency shift keying is the use of the carrier frequency to transmit digital inform
bpskdemod
- 基于matlab的BPSK信号的基带调制解调,利用码元周期内信号与载波的积分来进行解调,适合新手熟悉matlab-Matlab-based baseband BPSK signal modulation and demodulation, the use of the symbol period signal and integrating the carrier demodulation, suitable for novice matlab familiar
Generating
- 多路信号复用的基带发信系统的建模与电路仿真(采用vhdl语言呢建模)-Modeling and circuit simulation baseband transmission system multiplexing multiple signals (using vhdl language do modeling)
FREQ
- 简单的的频谱查看程序,适合Labview信号处理中查看基带频谱小程序。-Simple spectrum viewer for viewing Labview signal processing baseband spectrum applet.
music-alg
- 在基带产生MSK信号 在基带产生MSK信号-producing the equivalent baseband MSK signal
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
shannon
- 在数字信号的基带传输过程中,信息传输速率在满足香农公式的条件下还极大地受到码间干扰的限制-It is also limited by intersymbol interference when transmission speed of code accord with Shannon expressions in the course of baseband transmission of digital signal.
qpskprog
- 构建一个理想信道基本QPSK仿真系统,仿真结果有 a.基带输入波形及其功率谱 b信号及其功率谱 c.QPSK信号星座图 2.构建一个在AWGN(高斯白噪声)信道条件下的QPSK仿真系统,仿真结果有 a.QPSK信号及其功率谱 b.QPSK信号星座图 c.高斯白噪声信道条件下的误码性能以及高斯白噪声的理论曲线,要求所有误码性能曲线在同一坐标比例下绘制-qpsk modem emulation, plus white Gaussian noise
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
parp
- 计算单载波基带/通频带信号的PAPR(峰均功率比)-PAPR calculation of single carrier baseband/passband signals
64QAM_baseband-system-transmitter
- 产生64QAM基带通信系统发射机:基带成型滤波采用3种方式(1)采用每个符号调制一个成型滤波函数,然后将各个函数进行时域叠加的方法; (2)采用信号与低通滤波器响应函数卷积的方法;(3) matlab自带的升余弦函数-Produce 64QAM baseband communication system transmitter: baseband shaping filter uses three ways (1) the use of a molding each symbol modul
64QAM_baseband_system_receiver
- 64QAM基带系统接收机matlab代码:添加AWGN噪声,进行接收端匹配滤波器,8倍下采样,解调信号。-64QAM baseband system receiver matlab code: add AWGN noise, matched filter receiving end, eight times the down-sampling, the demodulated signal.
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
QPSK_Modl_Demodl
- 在理想信道条件下、在高斯白噪声信道条件下和在先经过瑞利衰落信道再通过AWGN信道条件下的QPSK仿真(基带输入波形及其功率谱、QPSK调制信号及其功率谱、QPSK信号星座图、误码性能等)-In an ideal channel conditions, in white Gaussian noise channel conditions and earlier through Rayleigh fading channels through QPSK simulation AWGN channel
Untitled
- 数字基带系统的仿真,包含信号源的产生和眼图,已经仿真调试通过。-Simulation of digital baseband system, and the eye diagram contains the signal source, has been debugging through.
XPolBasebandOFDMTx
- 基带OFDM信号编码调制程序,包含8PSK,8QAM两种调制方式,MATLAB语言-The baseband OFDM signal encoding modulation process, comprising 8PSK, 8QAM two modulation methods, MATLAB language
TS-NAMT
- 时移非正交幅度调制基带编程,包括信号产生、编码、调制、解调、误码率评估、频带利用率计算-When non-quadrature amplitude modulation shift system simulation