数字信号处理考试试题，适用于矿大通信工程DSP考试
dsp matlab (2015-11-13, matlab, 448KB, 下载2次)
将信号进行维纳滤波处理，得出的结果信噪比值很大，当对原信号进行加噪声处理，仍可以很好的处理效果
Wiener filtering the signal processing, the result SNR value is large, when the original signal plus noise processing, the effect can still be a good deal (2013-09-21, matlab, 3KB, 下载6次)
程序是对输入的语音信号添加已知信噪比的噪声，输入是纯净的语音信号和信噪比，输出是加噪后的语音信号。后半部分是验证前面所加信噪比是否正确的程序
Procedure is to add the input speech signal noise ratio of the noise is known, the input speech signal and pure noise ratio, after output speech signal plus noise. Latter is to verify whether the previously added the correct procedure SNR (2013-06-19, matlab, 1KB, 下载39次)
程序主要是通过读入纯净的语音信号和对纯净语音信号加噪后的混合信号来实现测量加噪后语音信号的信噪比。测量准确度较高。
Read into the program mainly through pure voice signal and noise on the clean speech signal plus the mixed signal to achieve measurements with noise after the speech signal to noise ratio. Measurement accuracy is higher. (2013-06-19, matlab, 1KB, 下载16次)
ADC中动态指标snr计算，来源于美信公司
ADC snr calculate
(2013-06-08, matlab, 2KB, 下载18次)
该压缩文件是华中科技大学出版社，金波老师主编的《信号与系统基础》一书的配套源代码。本程序集汇集了80多个M文件，主要有绘图程序和计算程序。绘图程序包括绘制连续信
号、离散信号波形图，频谱图，零极点分布图等。计算程序有数值计算、符号计算、时域计算、变换域计算等。
The compressed file is the source code of the boook- "signal and systems bases" which is edited by Jinbo.The assembly brings together more than 80 M-files.The press is hua zhong ke ji da xue. (2013-05-15, matlab, 34KB, 下载14次)
一种基于matlab的多速率信信号处理程序源码，希
A matlab-based multi-rate channel signal handler code, hope (2012-08-20, matlab, 1KB, 下载8次)
数字信号处理——原理、实现及应用(第2版)[高西全,丁玉美，阔永红][程序源代码]
Digital signal processing-principle and realization and application (second edition) [GaoXiQuan, DingYuMei, broadly YongGong] [source code] (2012-05-24, matlab, 523KB, 下载39次)
一种新的基于GOERTZEL算法的DTMF信号检测方法，实现了键盘式 的电话号码键入，计算信噪比。
this is a matlab process,which is dtmf voice recognition. (2012-03-18, matlab, 10KB, 下载9次)
用一个2阶的AR模型产生一平稳的随机过程s(n)。
其中， ， ， 可任意选定。
再产生一方差为 的白噪声 。接收信号为
，
要求对接收信号进行维纳滤波，输出信号为 。
1， 给定维纳滤波器的长度M，考察代价和函数与SNR之间的关系。
2， 给定SNR,考察代价函数与信噪比之间的关系。
3， 做一步预测，代价函数随滤波器的长度和信噪比的变化关系。
With a 2-order AR model to generate a stationary random process s (n). Among them,,, can be arbitrarily selected. Accrue to the white noise variance. Received signal, the received signal requires filtering, the output signal. 1, given the length of the Wiener filter M, investigation costs and the relationship between function and SNR. 2, for a given SNR, the cost function and examine the relationship between signal to noise ratio. 3, do step prediction, the cost function with the filter length and variation of signal to noise ratio. (2011-06-07, matlab, 125KB, 下载34次)
该matlab程序实现了计算信号信噪比的功能
Matlab program to calculate the signal to noise ratio to achieve the function of (2010-11-04, matlab, 3KB, 下载50次)
自适应滤波，可以有效地降低背景噪声，提高信噪比
Adaptive filtering is an effective way to reduce the background noise, improve signal to noise ratio (2008-05-07, matlab, 3KB, 下载30次)