搜索资源列表
VC-DCT
- DCT离散余弦快速变换,可用于图象处理及音频信号处理-fast DCT discrete cosine transform, can be used for image processing and audio signal processing
NCO
- 用VHDL语言编写的振荡器,可以产生正余弦信号-VHDL language with the oscillator, can generate sine and cosine signals
cos
- 使用汇编语言编写的用于产生余弦和正弦信号的程序-Hand-coded used to produce cosine and sine signal process
FIR
- 给原始的语音信号加上一个高频余弦噪声,频率为3.6KHz和3.8kHz,语音信号的FIR滤波-Plus a high-frequency cosine noise to the original speech signal, the frequency of 3.6KHz and 3.8kHz, voice signal FIR filter
The-Radar-Ambiguity-Function
- 雷达模糊函数的构建以及各种信号的产生,包括正弦,余弦等等信号-the cross ambiguity function for radar system and many signal generators
matlab
- 1. 给一段原始的语音信号(可以是自己录制的一段语音),加上一频率为3.8kHz的高频余弦噪声和频率为3.6kHz的高频正弦噪声(幅度自己可以选择),用窗函数设计一滤波器(要求最小阻带衰减为50dB)对加噪后的语音信号进行滤波,画出滤波器的频率响应曲线,画出滤波前后的时域图和频谱图。 需要用到的函数: fir1 用窗函数设计FIR滤波器的函数 2. 用GUI设计一界面(如图1所示)完成如下功能: 1) 输入一语音信号,画出语音信号的时域图和频谱图; 2) 对语音信号加噪处理,
Speech-Recognition-System
- 本文介绍了基于MATLAB的语音识别系统,包括对语音信号的特征提取,包括语音信号的特征提取,快速傅立叶变换,离散余弦转换,线性预测分析,梅尔频率倒谱系数以及高斯混合模型。-This paper aims at development and performance analysis of a speaker dependent speech recognition system using MATLAB® . The issues that were considered are 1
sin-cos
- 通过正弦函数和余弦函数创建二维数组,在前面板显示一个周期内的正弦波和余弦波信号-Create a two-dimensional array by the sine and cosine functions, the front panel display sine and cosine wave signal within a cycle
Signal_Quantization
- 使用MATLAB, 实现对一个余弦信号的均匀量化和A律非均匀量化, 并将结果输出在图形界面上。- Using MATLAB, Cosine signals to achieve a uniform quantization and A-law non-uniform quantization, And outputs the results in a graphical interface.
Auto-correlation-analysis
- 正弦函数的自相关函数是与初相位无关的余弦函数。余弦函数的周期与正弦函数的周期相同。周期信号的自相关函数仍然是同频率的周期信号,但不保留原信号的相位信息,并且在τ=0时的自相关函数为自相关函数最大值。-The autocorrelation function of the sine function is the cosine function of the initial phase. The cosine function is the same as the period of the si
xinhaofashengqi
- 多种信号发生器,包括正弦波,余弦波,锯齿波,方波等。-A variety of signal generators, including sine, cosine wave, sawtooth wave, square wave.
u7
- 对有白噪声污染的余弦信号进行采样,通过傅里叶变换对其频率成分进行分析。(The cosine signal contaminated by white noise is sampled, and its frequency components are analyzed by Fourier transform.)
model
- 实现对一个余弦信号的均匀量化和μ律非均匀量化,并将结果输出在图形界面上。(The uniform quantization and non uniform quantization of a cosine signal are realized and the results are output on the graphical interface.)