搜索资源列表
psnr.rar
- 该函数是用于计算峰值信噪比和信噪比的程序,it can be used to calculate psnr and snr
SNR.rar
- 可以计算图像的信噪比，适合初学者使用，采用VC++语言编写,Can calculate the signal to noise ratio images, suitable for beginners to use, using VC++ Languages
matched_filter.rar
- 匹配滤波的实际仿真程序。分别对宽带和窄带信号进行了仿真，并且求的滤波后信号的信噪比。,Matched filtering of the actual simulation program. Separately for broadband and narrowband signals, simulation, and after filtering for signal-noise ratio.
SNR
- 图片求信噪比和峰值信噪比的源码，编译环境VC-Order to signal to noise ratio and peak signal to noise ratio images of the source code, build environment VC
weinat
- 基于DD算法的先验信噪比估计的维纳语音降噪完整程序，包括语音分帧，动态信噪比估计,噪声估计更新和帧的重构。很完整。-DD algorithm based on a priori signal to noise ratio is estimated that the integrity of the process noise reduction Wiener voice, including voice sub-frame, dynamic signal to noise ratio estim
zhengxianfft
- 正弦信号进行傅里叶变换，估计其在不同信噪比下的均值方差，并画出图形-Some interpolated Discrete Fourier Transform (DFT) methods are analyzed and estimate the different frequency under the vary SNR.
rayleigh-awgn-BPSK
- 用MATLAB仿真瑞利信道下的BPSK系统的误码率 和信噪比的关系曲线。-Using MATLAB simulation under Rayleigh channel BER BPSK system and the relationship between the curves of signal to noise ratio.
PSK8
- 关于8PSK解的信噪比和调误码率的仿真程序-8PSK solution on the signal to noise ratio and bit error rate of transfer simulation program
FFT
- 利用FFT估计正弦信号的频率,要估计一个叠加了高斯白噪声的正弦信号 的频率 ，可以通过对x(n)做傅里叶变换，得到频谱图，找出幅度的最大值对应的频率值 ，进行多次变换，求出均方误差 。改变信噪比SNR，通过仿真可以得出随着信噪比增加，均方误差减小。-Sinusoidal signal using FFT frequency estimation, to estimate a Gaussian white noise superimposed on the frequency of sinusoi
music_rmse_snr
- 经典MUSIC算法,WMUSIC算法,ROOT-MUSIC算法,BEAMFORMING-MUSIC-BS1算法的性能与信噪比的关系-Classical MUSIC algorithm, WMUSIC algorithm, ROOT-MUSIC algorithm, BEAMFORMING-MUSIC-BS1 algorithm performance and the relationship between SNR
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
objective_evaluation
- 图像评价的几个标准，包括峰值信噪比，均方误差，平均绝对误差，图像保真度，信噪比的MATLAB代码，采用基本编程方法，适合初学者加深图像客观评价标准的理解。-Image evaluation of several criteria, including PSNR, MSE, mean absolute error, image fidelity, signal to noise ratio of the MATLAB code, using the basic programming for be
ASKBPSk
- 噪声背景下的语音端点检测和语音增强算法，在信噪比很低的强航空噪声背景下，-aviation noise background voice endpoint detection and voice enhancement algorithms, and very low signal to noise ratio in the strong aviation background noise, particularly effective
2FSK-2PSK-4PSK-16PSK-16QAM
- 不同信噪比下2FSK,2PSK,4PSK,16PSK,16QAM误码性能仿真-Different SNR 2FSK, 2PSK, 4PSK, 16PSK, 16QAM BER performance simulation
EVM
- 该算法是经典的信噪比估计算法——误差矢量幅值法，通过计算接收信号中同相分量和正交分量的二、四阶矩，该算法能够很好的估计信号的信噪比-The algorithm is a classic signal to noise ratio estimation algorithm- the error vector magnitude method, by calculating the received signal with the phase component and quadrature com
CEinCommun
- 各种信噪比估计算法，包括ls，lms，qam，噪声统计等-A variety of SNR estimation algorithms, including ls, lms, qam, noise statistics, etc.
add_noising
- my_noise文件是已知信号方差，加入信号噪声，可以加入高斯噪声，淑盐噪声,等其他噪声十分有用 其他两个函数时加入噪声信噪比SNR,但是有一点,这种方法并不准确,不能保证加入噪声信噪比为SNR,实际测试中可以看出,但是可以加入相同的信噪比的噪声-my_noise document is known to signal variance, by adding signal noise, Gaussian noise can be added, suk salt noise, noise, a
elint
- 这是一本关于电子情报雷达信号分析的电子版，主要内容包括电子情报的特征和基础、模拟和数字系统的信噪比考虑、信号功率、极化、波数分析、天线扫描分析、脉内分析、脉冲重复间隔分析、载频分析、脉冲串去交错、确定elint参数的极限以及elint数据文件 -This is an electronic intelligence on the radar signal analysis of the electronic version, the main contents include the char
project1
- 可添加随机噪声、高斯噪声、椒盐噪声，并比较几种去噪算法的峰值信噪比-Can add random noise, Gaussian noise, salt and pepper noise, and compare several denoising algorithm PSNR
final
- 小波变换处理带噪语音信号，对于低信噪比的情况下相当有效，直接改文件名就可完成-Wavelet Transform of Noisy Speech signal processing for low SNR case quite effectively, direct to the file name can be completed