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hdhx1
- 无多普勒频移的海底混响点散射模型(matlab编程)-Doppler frequency shift of the seafloor reverberation point scattering model
rever
- 1.进行含噪语音信号的时频分析 2.设计合适滤波器进行去噪 3.进行去噪后信号的时频分析4.设计一个混响器（用四个梳状滤波器和两个全通滤波器（下图所示））来产生回声（通过一个均衡器-Reverberation
PitchExtractingNewMethodforMixedSpeechesBasedonMul
- 基于分频带自相关函数的混叠语音基频分离提取新算法 -Based on the sub-band auto-correlation function of the fundamental frequency of voice-alias A New Algorithm for Extraction
TUNER
- 高频头复数混频的低中频复采样数字接收机，低中频数字高频有-TUNER
AudioMixTest
- 多路语音混频，并实现播放功能，混频后语音能保持独立，不会产生噪音。-Multi-channel audio mixing, and to achieve playback mixer can remain independent after the speech, no noise.
strech
- 去斜率（strech）参考信号与回波信号混频后得到中频输出信号S(t)=Aexp(j*2*pi*f0*t+phase) 其中f0与回波延时的关系为： f0=k*delay_t K为线性调频斜率，delay_t为回波延时 将s(t)采样，FFT变换即可得到目标距离与频谱的关系。 Strech 信号测距 输入混频后的中频信号（图一），经采样及FFT变换得到频谱（图二） 再根据频谱与距离的关系式R=Tcf/2B显示出距离(图三) -Go slope (strech
FILTER_1
- 能对混叠在一起的两个正弦信号，进行FFT变换后，在频域进行分离，并求出每个正弦信号的频率- It can separate aliasing two sinusoidal signals
FILTER_1
- 能对混叠在一起的两个正弦信号，进行FFT变换后，在频域进行分离，并求出每个正弦信号的频率-After the energy of the two sinusoidal signals with the aliasing, the FFT transform in the frequency domain is separated and determined frequency of each sinusoidal signal
gai
- 相位敏感光纤放大器的原理，核心思想是四波混频，用龙格库塔编程-The principle of phase sensitive optical fiber amplifier, the core idea is that the four wave mixing, Runge Kutta programming
yuyinchuli
- 在matlab平台利用GUI界面实现录音，播放。并对语音信号进行频谱分析，特定人语音识别，混响，混频等基础功能。(On the MATLAB platform, the GUI interface is used to record and play. And the speech signal spectrum analysis, specific speech recognition, reverberation, mixing and other basic functions.)