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duffingcheckfrequncy
- 利用duffing振子检测微弱信号频率的matlab程序。可以检测与周期策动力频率相差0.03之内的微弱信号频率。信噪比达到-68db-use Duffing oscillator frequency detection of weak signals in Matlab procedures. Can be detected with the cycle driven frequency difference of 0.03 within the weak signal frequency.
simplex_wireless_calling_system
- 单工无线呼叫系统分发射和接收两大部分。发射部分采用锁相环式频率合成器技术， MC145152和MC12022芯片组成锁相环，将载波频率精确锁定在35MHz，输出载波的稳定度达到4×10-5，准确度达到3×10-5，由变容二极管V149和集成压控振荡器芯片MC1648实现对载波的调频调制；末级功放选用三极管2SC1970，使其工作在丙类放大状态，提高了放大器的效率，输出功率达到设计要求。接收部分以超大规模AM/FM立体声收音集成芯片CXA1238S为主体，灵敏度、镜像抑制、信噪比等各项性能指标均达
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.
FM
- 仿真FM系统的调制解调全过程，有相干解调，非相干解调，包括大小信噪比的分析，十分完整~包含程序以及仿真结果。都是自己完成的，还有写程序中的一些问题和心得，希望对大家有帮助-The whole process of simulation FM system modulation and demodulation, coherent demodulation, non-coherent demodulation analysis, including the size of the signal-t
wiener
- 这是一个利用维纳滤波实现语音增强的matlab程序.在输入语音信噪比不是很低的情况下,效果不错.-This is a use of Wiener filtering speech enhancement matlab program, good results in a low signal-to-noise ratio of the input speech is not the case.
Ch3_1_AM
- matlab中进行am调制信号的仿真程序，并进行信噪比等指标分析。-performed am modulation signal matlab simulation program, and other indicators signal to noise ratio analysis.
chap5
- 本程序主要解决在雷达信号处理和通信过程中匹配滤波器的设计实现，对提高信噪比，提取有用信号有很大帮助。-This program is mainly to solve the matched filter in the radar signal processing and communication process design and implementation, to improve the signal to noise ratio, extract the useful signal
psnr_matlab
- 在matlab中实现峰值信噪比的函数 function y=psnr(im1,im2) 计算峰值信噪比程序——————————————— - ininput im1 : the original image matrix-For peak signal to noise ratio in matlab function function y = psnr (im1, im2) calculated PSNR program
hang_v73
- GPS和INS组合导航程序，最大信噪比的独立分量分析算法，基于matlab平台实现。- GPS and INS navigation program, SNR largest independent component analysis algorithm, Based on matlab platform.
rx466
- 包括压缩比、运行时间和计算复原图像的峰值信噪比,实现了对10个数字音的识别程序基于人工神经网络的常用数字信号调制。- Including compression ratio, image restoration computing uptime and peak signal to noise ratio, Realization of 10 digital audio recognition program The commonly used digital signal modulation
hwbka
- 包含收发两个客户端程序，现代信号处理中谱估计在matlab中的使用，包括压缩比、运行时间和计算复原图像的峰值信噪比。- Transceiver contains two client programs, Modern signal processing used in the spectral estimation in matlab, Including compression ratio, image restoration computing uptime and peak signal
langmeng-V5.5
- 计算多重分形非趋势波动分析matlab程序,自写曲率计算函数 ,ML法能够很好的估计信号的信噪比。- Calculation multifractal detrended fluctuation analysis matlab program, Since writing the curvature calculation function, ML estimation method can be a good signal to noise ratio.
miu_wd67
- ICA（主分量分析）算法和程序，分形维数计算的毯子算法matlab代码,ML法能够很好的估计信号的信噪比。- ICA (Principal Component Analysis) algorithm and procedures, Fractal dimension calculation algorithm matlab code blankets, ML estimation method can be a good signal to noise ratio.
vq381
- 非归零型差分相位调制信号建模与仿真分析 ，ICA（主分量分析）算法和程序，包括调制，解调，信噪比计算。- NRZ type differential phase modulation signal modeling and simulation analysis, ICA (Principal Component Analysis) algorithm and procedures, Includes the modulation, demodulation, signal to noise r
jdqnu
- 包括最后计算压缩图像的峰值信噪比和压缩效果的源码,这是一个好用的频偏估计算法的matlab仿真程序,重要参数的提取。- Including the final calculation of the compressed image peak signal to noise ratio and compression of the source, This is a useful frequency estimation algorithm matlab simulation program, E
hqjfi
- 对于初学者具有参考意义，主要是基于mtlab的程序，包括调制，解调，信噪比计算。- For beginners with a reference value, Mainly based on the mtlab procedures, Includes the modulation, demodulation, signal to noise ratio calculation.
program
- 本程序通过自相关方法处理含有噪声的信号中，信噪比可达-20dB(The noise in the signal is filtered by the method of word correlation)
image denoising
- 通过小波变换对加噪图像进行阈值去噪，并实现了信噪比的比较，更加直观的看出去噪后的图像效果。(The wavelet transform is used to denoise the denoised image, and the comparison of the signal to noise ratio is realized, and the image effect after the denoising is seen more intuitively.)
信噪比调用函数
- 针对小波阈值降噪信噪比监测编制的信噪比函数，配合主程序使用，可使程序简单化