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pingjia
- 图像处理效果评价,评价指标包括峰值信噪比，熵，以及均方误差，具体公式请参考相关文献-photo
ObjectiveFidelityCriteria
- 本实验要求编写一个计算压缩-解压缩图像的均方根误差、均方信噪比的程序。该程序是一个通用程序。编写程序产生图示的结果。使用上面的保真度准则程序计算可视信息的损失特性。-Prepared in this experiment, a calculation of compression- decompression of the root-mean-square error of image, mean square signal to noise ratio of the procedure. Th
capon-beamforming
- capon波束形成是阵列信号处理的经典算法，该算法用于抑制干扰噪声，提高期望信号的信噪比。 本人用VC6.0实现了该算法，同时在该程序里提供了比较多的用于数值计算的C代码，如特征值分解等。-capon beamforming is a classic array signal processing algorithm used to suppress noise interference and improve signal to noise ratio of desired signal
yuzhiwavefilter
- 利用MATLAB实现峰值信噪比的公式，很好用。精确的验证过 -PSNR formula
SNRESTIMATE
- 信噪比估计代码，附有IEEE文献一篇，在AWGN下进行了MCRB的相关仿真-A Comparison of SNR Estimation Techniques for the AWGN Channel
image_processing_quantize
- 该代码用于给出在matlab环境下求峰值信噪比及比特率。-The matlab code for the given environment in order to peak signal to noise ratio and bit rate.
pujianfa
- 自己写的一个谱减法，在信噪比不太低的时候效果还不错。-one matlab program. the effect is not bad when SNR is not lower.
test
- 自己编写的语音信号的采集，fft变换（两种），以及信噪比的计算！希望对大家有所帮助！-I have written the speech signal acquisition, fft transform (two kinds), and the calculation of signal to noise ratio! We want to help!
energydetection
- 认知无线电中能量检测matlab源码，体是仿真误警概率下，不同信噪比下的检测概率的。-energy detection
QPSKMATLAB
- qpsk通过信道信噪比估计，包括qpsk，8psk，16psk，16qam-qpsk through the channel SNR estimation
sermse
- OFDM 系统信噪比估计，matlab源代码-OFDM system, SNR estimation, matlab source code
qpsk
- 设定噪声为高斯白噪声，对2PSK调制解调的误码率进行统计，并与理论值进行比较，以图形方式表示误码率与信噪比间的关系。 -Set the noise is Gaussian white noise on the BER 2PSK modem statistics, and compared with the theoretical value, a graphical representation of the bit error rate and SNR relationships.
filter_Rough
- 这个程序时对图像进行粗略去噪处理，可以输出去噪后 图像及信噪比-This program pairs a rough denoising image processing, can output images and SNR after denoising
PSNR
- 峰值信噪比在信号处理中经常用到，这是一个将原始图像和压缩图像的峰值信噪比进行比较的例子。-Peak signal to noise ratio is often used in signal processing, which is a the original image and compressed image peak signal to noise ratio compared examples.
exp3
- 设定噪声为高斯白噪声，对2ASK、2FSK、2PSK、2DPSK等各种调制方式及相应的主要解调方式下（分相干与非相干）的误码率进行统计，并与理论值进行比较，以图形方式表示误码率与信噪比间的关系。-Set the noise is Gaussian white noise, right 2ASK, 2FSK, 2PSK, 2DPSK a variety of modulation and corresponding demodulation mode, the main (sub-coherent
bpsk_err_rate_06_08_31
- 单径瑞利信道中的BPSK的理论误码率性能，并画出比特信噪比与误码率的关系曲线。-this program is my home work in wirelwss communication.
cdma_mmse
- DS-CDMA的MMSE算法程序，给出了不同信噪比下的BER性能比仿真曲线。-DS-CDMA of the MMSE algorithm program are given under different signal to noise ratio curve of BER performance than emulation.
SNR_and_MSE
- mmse与snr的算法仿真，最小均方误差和最大信噪比，获得自适应算法的最优权，实现抗干扰-mmse snr algorithm and simulation, the minimum mean square error and maximum signal to noise ratio, the right of access to optimal adaptive algorithm to achieve anti-jamming
testimages
- 用来做信噪比、峰值信噪比和均方差检测的图像，比较经典，都是灰度图像-Used for signal to noise ratio, peak signal to noise ratio and standard deviation detection images, more classic, all gray image
16QAM-OFDM
- 基于16QAM调制解调的OFDM信道估计，计算了不同信噪比下的误码性能曲线，并画出了图。-Comb based on the OFDM pilot channel estimation, calculation of the BER performance under different signal to noise ratio curve, and draw the map.