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ofdm_MATLAB
- 这是一个相对完整的OFDM通信系统的仿真设计，包括编码，调制，IFFT， 上下变频，高斯信道建模，FFT，PAPR抑制，各种同步，解调和解码等模 块，并统括系统性能的仿真验证了系统设计的可靠性 -OFDM full version of the source code, including coding, modulation, IFFT, Upper and lower frequency, Gaussian channel model, FFT, PAPR suppres
ofdm
- ofdm系统的基础结构，采用4QAM编码解码，并采用FFT/IFFT运算，最终计算误码率.-Ofdm system infrastructure, using 4QAM codec, using FFT/IFFT operations, the final calculation of the error rate.
ofdm-MATLAB
- OFDM的调制传输解调原理及仿真，训练序列的生成与编码过程，IFFT等-OFDM modulation transmission and demodulation principle and simulation, the training sequence generation and coding process, IFFT, etc.
Untitled5
- 进行FFT变换并做频谱图,求均方根谱,求功率谱,求对数谱,用IFFT恢复原始信号-FFT transform and make spectrum, seeking RMS spectrum, power spectrum demand, the logarithms of the spectrum, to restore the original signal with IFFT
FFTorIFFT_MATLAB
- FFT和IFFT的MATLAB实现代码 用时间抽取的基2快速傅里叶变换实现序列卷积 对利用自编函数对信号进行DFT变换 对利用自编函数对信号进行DFT反变换-FFT IFFT dft
FOFDM
- filtered-ofdm信号处理，包括IFFT，pulse shaping ，信道估相位估计等模块-filtered OFDM signal processing
speech-enhanceme
- 谱减法语音增强的仿真实现：读取语音文件，产生随机白噪声，将两者联合起来，加入汉明窗，帧间重叠50 ，短时FFT，短时相位谱，频域中合成语音，短时IFFT并各帧重叠相加，去除汉明窗引起的增益，最后得到增强后的语音。-Spectral subtraction speech enhancement Simulation: reading voice files, generate random white noise, the two unite Jiaruhanming window, 50 ov
fft
- fft蝶形算法，采用一种快速的fft蝶形算法，具有fft和ifft功能，支持1024，2048等整数倍算法-fft transform
OFDM
- This matlab code computes the BER of an OFDM system. The ifft size is 64 .16-QAM is the modulation Technique and a rate of 0.5 used for convolution encoding .
OFDMSim
- OFDM技术由MCM（Multi-Carrier Modulation，多载波调制）发展而来。OFDM技术是多载波传输方案的实现方式之一，它的调制和解调是分别基于IFFT和FFT来实现的，是实现复杂度最低、应用最广的一种多载波传输方案。-Orthogonal frequency-division multiplexing (OFDM) is a method of encoding digital data on multiple carrier frequencies. OFDM has de
ifft
- this folder contains the code for inverse fast fourier transform and the inverse dft. hope it helps. along with it it has several problem statements
test
- 一个简单的OFDM程序，有IFFT/FFT，QPSK调制解调，加入了高斯噪声，加入循环前缀。并且每行程序都有的详细注释，简单易懂。扩展性比较强，可以改写成自己的代码。-A simple OFDM procedures, there are IFFT/FFT, QPSK modulation and demodulation, joined the Gauss noise, adding a cyclic prefix. And each line of the program are detai
Simple-Image-Processing-System
- 1、能对图像文件（bmp、 jpg、 tiff、 gif等）进行打开、保存、另存、打印、退出等功能操作； 2、数字图像的统计信息功能：包括直方图的统计及绘制、区域图的面积、周长的统计、线条图中的距离测量等； 3、数字图像的增强处理功能： （1）空域中的点运算、直方图的均衡化、各种空间域平滑算法（如局部平滑滤波法、中值滤波等）、锐化算法（如梯度锐化法、高通滤波等） （2）频域的各种增强方法：频域平滑、频域锐化、低通滤波、同态滤波等。 （3）色彩增强：伪彩色增强、真彩色增强等
paper3
- Phase Noise Influence in Long-range Coherent Optical OFDM Systems with Delay Detection, IFFT Multiplexing and FFT Demodulation
fft
- IFFT using FFT , multiple methods useful
turbo_code
- LTE system, OFDM modulation and Turbo Coding, including Viterbi, BCJR and SOVA are extensively analysed, ending up with a system performance specification. These are used to implement a fixed length Turbo encoder, a 16-QAM modulator a
turbo_lte_ofdm_fpga_code
- LTE system, OFDM modulation and Turbo Coding, including Viterbi, BCJR and SOVA are extensively analysed, ending up with a system performance specification. These are used to implement a fixed length Turbo encoder, a 16-QAM modulator a
finalTURBOCODE_OFDM
- Throughout the project the LTE system, OFDM modulation and Turbo Coding, including Viterbi, BCJR and SOVA are extensively analysed, ending up with a system performance specification. These are used to implement a fixed length Turbo enco
NVD_IFFT_FFT
- Simulation Process IFFT and FFT Signal
ofdm_new
- OFDM, the wavelet transform replaces IFFT/FFT block.