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sasdw.rar
- 现有数字信号自动调制识别方法大多只适用于无记忆信号,如PSK、ASK、FSK信号等。将有记忆 信号(MSK信号)和无记忆信号一起考虑,提出了一种改进的数字信号自动识别方法。该方法采用信号的瞬时统 计量作为特征参数,采用多层神经网络作为分类器。计算机仿真表明:当噪声采用高斯白噪声,并且信噪比大于 l5 dB时,识别率高于96% ;当信噪比不低于l0 dB时,识别率不低于90%。,Existing digital signal automatic modulation recognition
MIMOchoice
- 在通信系统中的多天线选择技术,用MATLAB进行仿真,生产信噪比与误码率的图像。-MIMO
GMSK
- 为了提高移动通信系统中数据传输的有效性能,降低GMSK调制系统的误码率. 首先对GMSK调制系统进行分析,得到不同BT值GMSK调制的移动通信系统误码率和带宽的关系.通过引入具有纠错性能的编码技术,降低信息传输的误码率,提高系统的有效性. 本文给出了引入编码技术的GMSK调制系统的仿真模型,仿真结果表明,在相同的信噪比下,系统的误码率降低了1~2dB.-This paper mainly intends to improve the performance of the communicatio
M2M4method-SNR-estimation
- 一种基于信号二阶四阶矩的信噪比估计方法,该文件中包含该方法的文章以及matlab程序。-This estimation method is based on the signal second-order signal-to-noise ratio of the fourth moment. The file contains a paper and a code.
matlab-junheng
- 均衡技术的matlab仿真。包括时域均衡和频域均衡后的信噪比对比-Equalization matlab simulation. Including time domain equalization and frequency domain equalization SNR comparison
PSKmodulation
- 提出了一种不仅计算量小,而且可以在低信噪比下正确识别相位调制信号的方法。利用Matlab工具进行仿真,仿真结果表明,在信噪比不低于2 dB的情况下,对PSK子类调制信号的识别率可以达到93 以上。 -Proposed a method of calculating only a small amount, and can correctly identify the phase modulation signal at a low SNR. Use Matlab tool for simul
LDPC
- 针对LDPC码在理论和实现两方面分别进行了较深的研究。深入了解了LDPC码编码方法、译码方法以及性能等知识,重点研究了用MATLAB如何构造奇偶校验矩阵、如何编码和如何解码的算法,而且实现了在相同码率、信噪比下LDPC码性能与卷积码性能的对比。-LDPC codes for both theory and implementation were carried out deeper study. In-depth understanding of the LDPC coding method,
fai-V5.5
- 插值与拟合的matlab实现,旋转机械二维全息谱计算,最大信噪比的独立分量分析算法。- Interpolation and fitting matlab implementation, Rotating machinery 2-d holographic spectrum calculation, SNR largest independent component analysis algorithm.
xjdpy
- ML法能够很好的估计信号的信噪比,基于小波变换的数字水印算法matlab代码,通过虚拟阵元进行DOA估计。- ML estimation method can be a good signal to noise ratio, Based on wavelet transform digital watermarking algorithm matlab code, Conducted through virtual array DOA estimation.
7010
- 是机器学习的例程,最大信噪比的独立分量分析算法,在matlab环境中自动识别连通区域的大小。- Machine learning routines, SNR largest independent component analysis algorithm, Automatic identification in the matlab environment the size of the connected area.
3362
- ML法能够很好的估计信号的信噪比,基于掌纹识别的在线身份验证 识别算法本科毕设,插值与拟合的matlab实现。- ML estimation method can be a good signal to noise ratio, Verify recognition algorithm based on palmprint recognition undergraduate complete set of online identity, Interpolation and fitting ma
tao_pu68
- 包括调制,解调,信噪比计算,利用matlab GUI实现的串口编程例子,包括AHP,因子分析,回归分析,聚类分析。- Includes the modulation, demodulation, signal to noise ratio calculation, Use serial programming examples matlab GUI implementation, Including AHP, factor analysis, regression analysis, clust
nai-V2.2
- ML法能够很好的估计信号的信噪比,最小二乘回归分析算法,内含心电信号数据及运用MATLAB写的源代码。- ML estimation method can be a good signal to noise ratio, Least-squares regression analysis algorithm, ECG data and includes source code written in MATLAB.
if538
- BP神经网络用于函数拟合与模式识别,基于SVPWM的三电平逆变的matlab仿真,包括压缩比、运行时间和计算复原图像的峰值信噪比。- BP neural network function fitting and pattern recognition, Based on SVPWM three-level inverter matlab simulation, Including compression ratio, image restoration computing uptime and
nqqdw
- 包括最后计算压缩图像的峰值信噪比和压缩效果的源码,MIMO OFDM matlab仿真,小波包分析提取振动信号中的特征频率。- Including the final calculation of the compressed image peak signal to noise ratio and compression of the source, MIMO OFDM matlab simulation, Wavelet packet analysis to extract vibratio