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xunhuan
- 调制信号的识别,可以通过各种调制的功率谱不同来识别,但这种方法在小信噪比下,性能不好,通过循环功率谱来识别,仿真表明在小信噪比下有很好的性能-modulation signal identification, can be modulated through the power spectrum to identify different, but this approach in a small signal to noise rat
AWGNBPSK
- 双击AWGNBPSK应用程序,系统运行出高斯信道的系统时频域图, 每敲一下回车键显示一幅图,最后敲两下仿真出高斯干扰的系统信噪 误码特性数据及图形,再敲两下则返回目录。 六幅时频域图分别为:原始信源、限带信源、已调信号、接收信号、低通输出、判决器出。 SNR、Er为设定信噪比及理论误码率,SnR1、otpEr为实测信噪比及实测误码率。 -click AWGNBPSK applications, the system r
xunhuan
- 调制信号的识别,可以通过各种调制的功率谱不同来识别,但这种方法在小信噪比下,性能不好,通过循环功率谱来识别,仿真表明在小信噪比下有很好的性能-modulation signal identification, can be modulated through the power spectrum to identify different, but this approach in a small signal to noise rat
AWGNBPSK
- 双击AWGNBPSK应用程序,系统运行出高斯信道的系统时频域图, 每敲一下回车键显示一幅图,最后敲两下仿真出高斯干扰的系统信噪 误码特性数据及图形,再敲两下则返回目录。 六幅时频域图分别为:原始信源、限带信源、已调信号、接收信号、低通输出、判决器出。 SNR、Er为设定信噪比及理论误码率,SnR1、otpEr为实测信噪比及实测误码率。 -click AWGNBPSK applications, the system r
FSKxinhaochafenxitong
- FSK差分检波系统仿真的课程设计 本课程设计主要利用MATLAB集成环境下的Simulink仿真平台,设计一个FSK信号差分检波系统。观察FSK调制前后的信号波形,并对调制前后信号的频谱进行分析,再以调制信号为输入,构建差分检波解调系统电路,观察解调前后的信号波形,并对解调前后信号的频谱进行分析。加入噪声分析通过三种不同信道FSK信号差分检波系统接受信号的性能。仿真结果,基本达到课程设计要求。-FSK differential d
ofdm-tge
- OFDM程序,这么安排矩阵的目的是为了构造共轭对称矩阵 共轭对称矩阵的特点是 在ifft/fft的矢量上 N点的矢量 在0,N/2点必须是实数 一般选为0 1至N/2点 与 (N/2)+1至N-1点关于N/2共轭对称- BPSK simulation using a carrier cosine wave with ISI clc close all clear all figure(1)
EMDfenshufourier
- 经验模式分解算法是仿真分数阶高斯噪声(fGn)和分数阶布朗运动(fBm)的新方法, 利用MATLAB的GUI开发环境,设计和实现了基于经验模式分解的分数阶随机序列仿真系统。-Empirical mode decomposition algorithm is a simulation of fractional Gaussian noise (fGn) and fractional Brownian motion (fBm) of t
qpsk
- 加性高斯白噪声信道条件下的QPSK信号的调制与解调,观察了调制信号的功率谱图,输入输出信号图,已经时间误码率图与理论误码率的比较-Additive white Gaussian noise channel under the conditions of the QPSK signal modulation and demodulation, observed power spectra of modulated signals, inp
matlab
- 用MATLAB编写程序实现BPSK的调制与解调过程,并且为了模拟数字通信系统过程,在调制后加入高斯白噪声。-MATLAB program used to prepare the BPSK modulation and demodulation process, and in order to simulate the process of digital communication system, in the modulated Ga
estimatingandintepretatininstantaneousfrequency.ra
- 瞬时频率的解释和瞬时频率估计算法的介绍,回顾目前存在的一些瞬时频率估计算法以及作者提出的新的算法-This paper, which addresses the important issue of estimating the instantaneous frequency (IF) of a signal, is a sequel to the paper which appears in this issue, and d
qam
- 一、 本程序采用16QAM调制方式,对一串2进制信源进行调制,用升余弦滚降函数进行基带调制,再调到高频信道;在信道上加入高斯白噪声,运用匹配滤波器解调,画出解调星座图,运用最小欧氏距离译码判决,计算误比特率。-First, this program uses 16QAM modulation mode, for a string of two binary source is modulated with a raised cosine
16qam_channel_encode
- 一、 本程序采用16QAM调制方式,对一串2进制信源进行调制,采用(7,4)循环码对信源做信道编码,用升余弦滚降函数进行基带调制,再调到高频信道;在信道上加入高斯白噪声,运用匹配滤波器解调,画出解调星座图,运用最小欧氏距离译码判决,再对信号进行信道解码,画出采用信道编码技术和不采用信道编码技术的误比特率图。-First, this program uses 16QAM modulation mode, for a string of t
bpsk
- 蒙特卡罗仿真正弦信号BPSK调制,仿真随着信噪比的改变而误码率/误比特率的变化。-BPSK modulated sinusoidal signal Monte-Carlo simulation, simulation, signal to noise ratio changes as the bit error rate/bit error rate changes.
pink_noise
- 1/f噪声生成程序,由matlab语言实现,1/f噪声又成为pink噪声- This function creates noise with a 1/f spectrum. The noise is then phase modulated so that it can be mixed with a signal to simulate pink noise in the original signal. The noi
ppm
- 经PPM调制的超宽带信号经高斯白噪声信道的系统仿真,给出了时域和频域图-Modulated by the PPM UWB signal by Gaussian white noise channel of system simulation, given the time and frequency domain map
1
- 常规AM调制:画出调制前波形图和频谱图 求已调信号功率、噪声功率等-Conventional AM modulation: Draw modulation waveform and spectrum before seeking modulated signal power, noise power, etc.
DPSK
- 对二进制序列进行DPSK调制,绘出绝对码、相对码、调制后的曲线、加噪声后的曲线图-Sequence of binary DPSK modulation, draw absolute code, the relative code, modulated curve, after curve plus noise
bpsk_generator
- The MATLAB function generates a BPSK modulated signal with and without noise.
noise
- 噪声的调制,可以改变调制信号频率,观测已经调制波形-Noise modulation can be changed to the modulating signal frequency, the observation has been modulated waveform
hansang_V8.6
- 独立成分分析算法降低原始数据噪声,已调制信号计算其普相关密度,对球谐函数图形进行仿真。- Independent component analysis algorithm reduces the raw data noise, Modulated signals to calculate its density Pu-related, Of spherical harmonics graphic simulation.