搜索资源列表
DFT
- 题目:离散富立叶变换(DFT)和频谱分析.matlab实现 1信号函数h(t)= e-a*t*tsin(2πft)2编程计算的离散富立叶变换(DFT)和IDFT图像。3计算振幅谱,相位谱以及检测信号主频-Title: Discrete Fourier Transform (DFT) and spectral analysis. Matlab function to achieve a signal h (t) = ea* t* tsin (2πft) 2 programming computin
ECG
- 该代码首先对ECG信号进行消噪过滤,并且对信号进行平方,加窗等处理,最后用于对QRS波形的检测,压缩文件内同时包含了2个心电数据信号,可直接用于测试-The code first ECG signal de-noising filter, and the square of the signal, such as window handle, and finally used for the detection of QRS waveform, at the same time compress
Rjiance
- 心电信号QRS波的R波检测,用了阈值的方法,自适应修改阈值,域加窗定位R波幅度-QRS wave of ECG R-wave detection, using a threshold approach, adaptive modification threshold, domain windowed positioning R-wave amplitude
elm
- elman神经网络用于峰值检测 三角波 矩形波 方波调制信号 -elman peak detector neural network for rectangular-wave square wave triangle wave modulation signal
bbs1
- 用小波包进行信号的去噪处理。检测第一种类型的间断点1检测第二种类型的间断点2-Using wavelet packet denoising for signal processing. Detection of the first type of discontinuity points of a continuous detection of the second type of point 2
4psk
- M=4的PSK通信系统进行蒙特卡罗仿真 仿真BPSK和4PSK调制信号在高斯信道下的性能,并与理论分析结果相比。 (1) 画出两条性能曲线,一条是根据理论平均错误概率画出,另一条是仿真曲线; (2) 程序的基本流程:信源产生信息比特、调制、将调制信号送入信道(产生高斯白噪声的程序)、接收端检测、将检测结果与信源原始信息比较计算误符号率和误比特率; (3) 在给定信噪比下,第二步需多次重复,以得到一个平均错误概率; (4) 信噪比范围:BPSK(0dB – 10dB),
F2_6764
- 端点检测是指用数字处理技术来找出语音信号中的各种段落(如音素、音节、词素、词等)的始点和终点的位置。语音段起止端点检测是语音分析、语音合成和语音识别中的一个必要环节。传统的端点检测方法是从wav文件中获取语音采样,将其分帧并计算短时能量和过零率参数,然后进行端点检测。这种工作方式被称为离线处理方法 ,无法实现语音信号的实时处理,对于语音信号分析具有一定的局限性。本文通过开发ActiveX控件,在MATLAB环境下将其嵌入到figure窗口中,以GUI程序的方式使用,实现语音信号端点检测的实时处
signalprocess_radar
- 雷达信号处理部分,包括正交相干检波、脉冲压缩、多普勒处理和恒虚警检测。-Radar signal processing parts, including the quadrature coherent detection, pulse compression, Doppler processing and CFAR detection.
yuyin
- 语音信号短时能量matlab实现,语音信号的端点检测matlab实现。-Speech signal to achieve short-term energy matlab, speech endpoint detection signal matlab implementation.
my_lpc
- 线性预测(LPC)是语音信号处理中最有效的分析方法之一,通过LPC谱,LPCC谱的分析,并结合LPC检测方法判断出语音的基音周期或共振峰。我们可以利用Matlab来进行编程实现,具有实现简单,效果良好的特点-The linear predictive (LPC) is one of the most important methods in speech processing. Through the LPC spectrum, the LPCC spectrum analysis, and u
endpoint
- 计算语音信号的端点 采用双门限法进行检测-Speech signal endpoint computing double-threshold detection method
yuyinxinhaojiance
- 基于MATLAB的语音信号端点检测,短时能量分析,短时过零率,和GUI界面实现-aaaaa
NCFF
- 语音信号处理中基音检测源程序,用matlab实现的。主要应用了改进的自相关技术。-Pitch detection in speech signal processing source code, using matlab be achieved. Major applications to improve the self-related technologies.
tqrsdetect
- 可以处理ECG,检测信号,该程序为MATLAB编写-Can handle the ECG, detection signal, the program is to prepare for the MATLAB
respirationdetect
- 对呼吸信号进行检测的MATLAB程序,输入采集到的呼吸电信号,输出呼吸信号的峰值。-The respiratory signal detection MATLAB program, enter the collection to the respiratory signal, the output signal peak breath.
work
- 计算平均灰度,进行信号检测的几个MATLAB小程序方法-Calculation of the average gray level, carried out a few MATLAB signal detection method of small programs
NSR
- 随机共振的弱信号检测,运用朗格万方程进行MATLAB的仿真-stochasitc resouance using for detecting the weaken signals,based on longawan function
matlab
- 小波分析用于FSK信号的频率检测,非常好用的!-Wavelet analysis of the frequency of detection for the FSK signal, very nice!
cycdect
- 认知无线电BPSK信号的循环平稳检测的性能仿真 包含信号循环谱图-Cognitive radio spectrum cyclostationary detection performance cycle
Multi_userSignalDetection
- 实现了用匹配滤波器对多用户信号中的期望用户进行检测-Achieved with a matched filter on the multi-user signal detection in the hope that users