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adaptive-signal-arithmetic
- Some algorithms of variable step size LMS adaptive filtering are studied．The VS—LMS algorithm is improved． Another new non-linear function between肛and e(／ t)is established．The theoretic analysis and computer simulation results show that this algo
esprit_Algorithm_self
- ESPRIT算法是一种用于信号到来角(DOA)估计的直接求解方法,本程序中含有3种不同的算法均为自编-ESPRIT algorithm is used to signal the arrival angle (DOA) estimation of the direct methods, its performance at low signal to noise ratio (SNR) and signal correlation will seriously undermine
ResearchofcarriersynchronizationforlowSNRandhighdy
- 该载波同步方案可应用于低信噪比和高动态同存的条件下 接收机设计中,通过对该方案进行MATLAB 仿真,结果表明了该方案能有效地解决了载波快速捕获与精确跟踪的 问题。-The carrier synchronization scheme can be applied with low SNR and high dynamic receiver design under the conditions of existence, through the program MATLAB simul
pushang
- 实现低信噪比下的语音断电检测，谱熵端点检测，优于双门限端点检测法-Low-power voice SNR detection, spectral entropy endpoint detection, better than the two-endpoint detection threshold
wenzheng_about_cs
- 一种基于改进压缩感知的低信噪比ISAR高分辨成像方法.pdf-A New Method of High Resolution ISAR Imaging under Low SNR Based on Improved Compressive Sensing
ques7
- Write MATLAB code that will do the following. (a) Add Gaussian, Salt and Pepper and Speckle noise to image. (b) Perform median filtering to remove noise and determine SNR and PSNR value. (c) Perform average or low pass filtering to remove noise
pinlv
- 采用改进的RIFE算法，在低信噪比下也能较准确的估计出信号频率-RIFE using improved algorithms at low SNR can be more accurate estimate of the frequency of the signal
YUYIN
- 用matlab记录一段基带语音信号，采样频率设为44.1kHz。产生一个高斯白噪声 随机过程，并将噪声叠加在语音信号上（相当于将语音信号通过一个高斯信道）。 （1） 设定不同的噪声信噪比，画出并比较高斯信道接收端的信号时域波形，播 放接收信号。 （2） 由于语音信号的范围通常在3kHz以内，在接收端加载一个低通滤波器， 截止频率为3kHz，画出并比较滤波前后的信号时域波形，并播放滤波后 的信号。-Matlab record with some baseband voice
LFM_comp
- 雷达信号处理中的脉冲压缩，加入了低通滤波器，对脉压前后的信噪比进行分析-Radar signal processing pulse compression, adding a low-pass filter, SNR pulse pressure were analyzed before and after
Autocorrelation-Function-for-VAD
- 基于自相关函数最大值的语音端点检测算法,即使在较低信噪比情况下采用该算法仍能较准确地检测出语音信号的端点位置。-The maximum of autocorrelation function of sonant and sonata′s autocorrelation function characteristics after autocorrelation function filtered through a lowpass are studied，this method can dete
RA
- ra_snr_gui.m 作用：统计不同信噪比下，五种信号的峰值旁瓣比RA和低高频均值比RM，绘制结果，参考图3.11和3.12 DFCW_RA_SNR.m 作用：产生正交离散频率编码信号，并计算峰值旁瓣比RA和低高频均值比RM LFM_RA_SNR.m 作用：产生线性调频信号，并计算峰值旁瓣比RA和低高频均值比RM OFDMLFM_RA_SNR.m 作用：产生正交频分线性调频信号，并计算峰值旁瓣比RA和低高频均值比RM PC_RA_SNR.m 作用：产
Improved-music-algorithm
- 内含两个代码，均为改进music算法，其一可以在存在相关信号源时实现准确测向，其二可以在低信噪比条件下实现准确测向。-Contains two code algorithms are improved music, one can achieve accurate measurements in the presence of the relevant sources, and the second can be achieved at low to accurately measure the
bianbuchangLMS
- 变步长自适应滤波算法，对VS—LMS算法进行了改进，建立了步长因子μ与误差信号e（n）之间另一种新的非线性函数关系．理论分析和计算机仿真结果表明，该关系不仅具有原有算法收敛速度快的优点，而且在低信噪比环境下比原有算法具有更好的抗噪声性能．-The variable step size adaptive filtering algorithm is discussed, and the VS-LMS algorithm is improved. A new nonlinear function r
CS
- 采用DCS-SOMP算法对宽频信号进行重构 L1-SVD算法对低信噪比下的信号进行重构(Compressed sensing DCS-SOMP algorithm is used to reconstruct wideband signals L1-SVD algorithm for low SNR signal reconstruction)
MFP_based_on_High_order_Statistics-master
- 浅层海洋环境由信源组成声源，海洋形成信道，和水听器阵列组成接收器。在这个传播模型中，信源，信道和接收信号这三者，通常能知二求一，具体应用诸如利用海洋环境参数和接收到的信号来定位声源，或者通过计算发射信号和接收信号之间的差异，反演海洋环境参数。 而在接收器方面，我们通过设置各向同性的水听器阵列。通过算法和处理器，我们便能量化模型，传统是处理器主要基于接收信号是高斯信号，而海洋中存在着大量的有色噪声。本课题的研究目的便是在前人的基础上，在海洋声层析成像的背景下，在信源与接收器阵列之间，引入信号的高阶