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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
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.
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 r
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.
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
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 demodulatio
psnr
- 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
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.
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 dec
fh
- 本文阐述了扩展频谱通信技术的理论基础和实现方法,利用MATLAB 提供的可视化 工具Simulink 建立了扩频通信系统仿真模型,详细讲述了各模块的设计,并指出了仿真建模 中要注意的问题。在给定仿真条件下,运行了仿真程序,得到了预期的仿真结果。同时,利 用建立的仿真系统,研究了扩频增益与输出端信噪比的关系,结果表明,在相同误码率下, 增大扩频增益,可以提高系统输出端的信噪比,从而提高通信系统的抗干扰能力。 -Th
snr
- 信噪比 信噪比 比信噪比比信噪比-snrsnrsnrsnr
snr_ber
- 不同信噪比对误码率性能的影响,仅供参考,效果还可以-BER performance of different signal to noise ratio on the impact of reference only, the effect can be
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, usin