搜索资源列表
sound
- 包含了使用matlab对声音信号进行时域和频域分析，加高斯噪声，并用高通、低通、带通滤波器进行滤波，并显示波形图。-Contains the sound signal using matlab time domain and frequency domain analysis, plus Gaussian noise, and high-pass, low pass, band pass filter to filter and display waveforms.
dsp_system
- 实现一个数字信号处理的仿真系统 。具有界面并实现以下功能：能产生（得到）并选择各种数字信号（sin、方波、三角波、语音、噪声及其叠加）；具有DFT和DCT变换功能，对各种信号进行变换；设计滤波器实现低通、高通、带通滤波，得到输出信号的频域特性和时间序列。-the realization of a digital signal processing simulation system. Requires interface and achieve the following functions:
ARPR_simulink
- simulink下对APRX结构的仿真。实现在频域对信号的滤波-structure under APRX simulink simulation. Achieved in the frequency domain filtering of the signal
1
- 利用FFT对原信号进行变换，然后在频域进行处理，再使用IFFT进行反变换，达到滤波的目的。-use FFT and IFFT to filter
frequency-FIR-fliter
- 基于频域抽样法的FIR数字带阻滤波器设计的matlab源代码，里面有详细的注释，可实现频域抽样的数字滤波。-Based on frequency domain sampling FIR digital band-stop filter design Matlab source code, there are detailed notes, frequency domain sampling digital filter.
processing-frequency-signals-
- matlab频域信号处理算例，包括带通滤波、高通滤波、低通滤波-signals processing in frequency domain ,including Low pass filter ,high pass filter，Band pass filter
ecg
- 心电信号处理,心电信号加白噪声，低通滤波，频域分析及显示-ECG signal processing, filtering, frequency domain analysis and display
kongpin035
- 空频域联合滤波 在频域求极化参数 点频对消-Joint space-frequency domain filtering seeking polarization parameters in the frequency domain
f_filter_high
- 高通滤波器的构建。在频域对信号进行高通滤波-High-pass filter constructed. High-pass filtering the signal in the frequency domain
matchfilter_sin_signal
- 一个简单正弦信号经过匹配滤波后计算SNR，并绘制时频域图片-Calculated a simple sinusoidal signal after matched filtering SNR, and draw the frequency domain picture
filter
- 空域滤波增强程序，频域增强程序举例，色彩增强程序举例-Spatial filtering enhancement procedures, frequency domain to enhance the program for example, color enhancement program example
Signal-processing
- 对机械振动信号的预处理，以及滤波，频域变换等-The pretreatment of the mechanical vibration signal, and filtering, frequency domain transform, etc.
test1_4
- 利用matlab语言实现图像的频域增强，方法：理想低通滤波-Matlab language in the frequency domain of the image enhancement method: ideal low-pass filter
fbp
- 自己用matlab编写的滤波反投影重建程序，分别用空域卷积和频域乘积两种方式编写，滤波函数可以选择S_L或者R_L函数- filtered back projection reconstruction program, write in two types: airspace and frequency domain convolution , filter function can be selected R_L or S_L
homework3
- 提出同一组数字低通技术指标；分别设计成IIR,FIR滤波器，输入同样信号进行滤波； 从滤波器输出的时域和频域、滤波器的阶次等比较两种滤波器。 通带边缘频率200Hz，阻带边缘频率300Hz,阻带衰减40dB,采样频率1kHz。-IIR FIR design using matlab
shiyuzhuanpinyu
- 这是一个滤波器，用来将时域信号转换位频域进行分析滤波后，再转为时域信号的小程序-This is a filter for converting the digital time domain signal analysis of the frequency domain filtering, a time domain signal of the small sub-program
yuyinxinhaochuli
- 录制一段语音 （1）对其进行时频域分析 （2）加随机噪声，并对含噪语音进行时频域分析 （3）设计滤波器对含噪语音进行滤波（wavread,fft,awgn或randn, filter等） -Frequency domain analysis (2) plus random noise, and frequency-domain analysis with noisy speech (3) design filters for filtering noisy speech (wav
Frequency-domain-image-enhancement
- 图像频域增强,频域低通滤波所产生的模糊,理想低通过滤波器所产生的模糊和振铃现象-Frequency-domain image enhancement, fuzzy frequency domain generated by the low-pass filtering, blurring and ringing the ideal low-pass filter is generated
High-pass-filter
- 频域高通滤波增强示例,采用傅里叶变换,进行理想高通滤波,理想高通加强滤波,巴特沃斯高通滤波和巴特沃斯高通加强滤波.-High-pass filter to enhance the frequency domain examples, using Fourier transform, the ideal high-pass filter, the ideal high-pass filter to strengthen Butterworth Butterworth high-pass filte
weinalvbo
- 对matlab自带鸟叫声音信号加白噪声后进行维纳滤波处理，分为时域方法和频域方法，适合新手。-Birds carried on matlab voice signal comes after white noise Wiener filter, into the time domain methods and frequency domain methods, suitable for novices.