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Description: 关于信道估计的程序,用MATLAB实现,包括导频的插入提取,FFT IFFT ,循环前缀的加入提取()
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Size: 552960 |
Author: walette |
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Description: 使用matlab实现OFDM的基本功能
FFT的点数：512
载波数量：200
调制方式：16QAM
每个符号代表的比特数：4
每个子载波包含的符号数：12
信道条件：加性高斯白噪声信道（AWGNC）
循环前缀长度：148
循环后缀长度：20(matlab OFDM 16QAM FFT IFFT AWGNC)
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Size: 6144 |
Author: 鱼鱼与鱼鱼 |
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Description: 采用 BPSK 解调解调、IFFT 调制、信道估计等通信模块，包含这些模块的 m 文件。系统采用加性 AWGN 噪声信道。(Using BPSK demodulation and demodulation, IFFT modulation, channel estimation and other communication modules, including the m files of these modules. The system uses an additive AWGN noise channel.)
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Size: 2048 |
Author: 强王 |
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Description: 这是一个基于空时分组编码的 MIMO_OFDM 通信系统的仿真设计。此系统包括 QPSK 调制解调， IFFT 调制，空时编解码，基于训练符号的信道估计等通信模块，包含这些模块的 m 文件。(This is a simulation design of a MIMO_OFDM communication system based on space-time block coding.This system includes QPSK modulation and demodulation, IFFT modulation, space-time codec, channel estimation based on training symbols and other communication modules, including the m files of these modules.)
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Size: 3072 |
Author: 强王 |
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Description: Matlab实现快速傅立叶变换,FFT和IFFT计算线性卷积,IIR数字滤波器,FIR数字滤波器实验的相关资料,有源代码和()
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Size: 56320 |
Author: Apioi |
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Description: 本程序实现了IFFT以及和连续变换的对比,并对连续以及离散的OFDM系统的对比()
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Size: 1024 |
Author: uiegarchl |
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Description: OFDM系统的C语言程序,其中少了IFFT及FFT部分外网了随便搜下很多的 _()
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Size: 9216 |
Author: DPD%25255F1772 |
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Description: 手动求投影，（手动实现radon的等价效果）
滤波反投影，即fft=>滤波=>ifft=>反投影(fft, filter, ifft, inverse filter)
Platform: |
Size: 1024 |
Author: lhhhhh5632 |
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Description: 实现共振峰检测的MATLAb程序：分帧加窗；|FFT|；log；IFFT；log；平滑处理(MATLAb program for realization of resonance peak detection Frame windowing; |FFT|; log; IFFT; log; smoothing processing)
Platform: |
Size: 21504 |
Author: 梅小笔 |
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Description: 程序实现了OFDM通信系统的仿真，包括QPSK调制、串并转化、IFFT、并串转化、插入保护间隔AWGN信道传输以及逆过程(The program realizes the simulation of OFDM communication system, including QPSK modulation, serial-parallel conversion, IFFT, parallel-serial conversion, insertion protection interval AWGN channel transmission and inverse process.)
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Size: 1024 |
Author: guokeDz |
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Description: 实现基于STBC的MIMO_OFDM通信系统在不同信噪比情况下接收端的误比特率的仿真。发射端包括基于基带调制、空时编码、导频插入、IFFT、串并合并以及添加循环前缀；接收端包括去除循环前缀、取出导频估计信道、FFT运算以及并串合并，空时解码等。仿真中采用QPSK、空时编码采用4*3的复正交空时编码矩阵。OFDM子载波数为100，每个子载波传输66个符号，每个符号2比特。IFFT长度为512个符号。发射天线为3个接收天线为2个。(The BER simulation of MIMO_OFDM communication system based on STBC under different SNR is realized. The transmitter includes baseband modulation, space-time coding, pilot insertion, IFFT, serial-parallel combination and adding cyclic prefix; the receiver includes removing cyclic prefix, extracting pilot estimation channel, FFT operation, parallel-serial combination, space-time decoding, etc. The complex orthogonal space-time coding matrix is used in QPSK and space time coding in 4*3. The number of OFDM subcarriers is 100, and each subcarrier transfers 66 symbols with 2 bits per symbol. IFFT is 512 symbols in length. The transmitting antenna is 3 receiving antennas, 2.)
Platform: |
Size: 3072 |
Author: guokeDz |
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Description: Inverse fast Fourier transform
Platform: |
Size: 48128 |
Author: jayantbhoge |
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Description: OFDM code with 16-QAM modulation. Can be easily Understood and modified.(This code basically computes the BER of an OFDM system. The ifft size is 64 .16-QAM is the modulation Technique and convolution encoding rate 1/2 is used as the coding scheme.)
Platform: |
Size: 2048 |
Author: 阎雅文 |
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Description: 用FEKO仿真，获得FFE文件，放到文件夹下，修改相应参数，即可成像
基本的2D IFFT成像算法(The FFE file is obtained by FEKO simulation. It is placed in the folder and the corresponding parameters are modified. Then the image can be imaged.
Basic 2D IFFT Imaging Algorithms)
Platform: |
Size: 51200 |
Author: Alienfte |
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Description: 基于MATLAB的OFDM系统仿真链路,串行数据经串并变换后进行QDPSK数字调制，调制后的复信号通过N点IFFT变换，完成多载波调制，使信号能够在N个子载波上并行传输，中间插入10训练序列符号用于信道估计，加入循环前缀后经并串转换、D /A后进入信道,接收端经过N点FFT变换后进行信道估计，将QDPSK解调后的数据并串变换后得到原始信息比特。(Simulation Link of OFDM System Based on MATLAB)
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Size: 2048 |
Author: 专业吃柠檬 |
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Description: 用Matlab产生正弦波,矩形波,以及白噪声信号，并显示各自时域波形图
进行FFT变换，显示各自频谱图，其中采样率，频率、数据长度自选
做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱
用IFFT傅立叶反变换恢复信号，并显示恢复的正弦信号时域波形图(fft analysis,plot rms spectrum,power density spectrum, etc.)
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Size: 16384 |
Author: 陈谷高 |
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Description: 1,读取一幅图像,加相位噪声
% 2,模拟该图像在距离z0处形成的同轴1-FFT的4步相移数字全息图及强度图像
% 3,利用4步相移公式获取到达CCD的物光复振幅
% 4,利用1-IFFT重建物光复振幅
% 主要变量：
% h ——波长（mm）； Ih ——数字全息图；
% L ——全息图宽度（mm）； z0——记录全息图的距离(mm)；(Function: Four-step phase-shift method to generate coaxial digital hologram and 1-IFFT reconstruction simulation)
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Size: 1024 |
Author: 4jo10aoz |
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Description: 1.编制一个计算两个序列线性卷积的程序，计算y(i)=x(m)*h(n)，分别绘制x(m)和h(n)，以及线性卷积结果y(i)的图形，使用matlab自带的conv函数来验证结果。
2.使用matlab自带的FFT和iFFT程序，实现线性卷积的快速计算，并对计算结果进行绘制。(1. Make a program to calculate the linear convolution of two sequences, calculate y (I) = x (m) * H (n), draw the graph of X (m) and H (n), and the graph of the linear convolution result y (I), and use the conv function of MATLAB to verify the result.
2. The FFT and IFFT programs of MATLAB are used to realize the fast calculation of linear convolution and draw the calculation results.)
Platform: |
Size: 1024 |
Author: yang-93 |
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