搜索资源列表
lvbo
- 对图像进行高通低通滤波，分别显示频谱图和效果图-The image is high-pass low-pass filtering, spectrum and effects are shown in Fig.
versionOK
- 音乐魔方：对音频信号进行采集，通过FFT变换得到频谱信息，将频谱信息在LED阵列上显示。-Music Cube: an audio signal acquisition, spectral information obtained by FFT transform, the spectral information is displayed on the LED array.
code
- 语音识别信号，可以采集，分析语音信号，显示频谱和时间谱-Speech recognition signal that can collect, analyze speech signal, spectrum and time spectrum display
labview5
- 使用低通滤波器从含有噪声的信号中提取有用的正弦波 (见实验指导书 实验九 数字滤波器中的第一题) 目的：用数字滤波器从含有高频噪声的采样数据中提取正弦信号。 要求：①输入信号为一正弦波，并加入一个白噪声的干扰来模拟信号传输中的随机干扰信号（用以模拟含有噪声采样序列）。 （模拟含有噪声采样序列具体可用正弦波信号叠加高频噪声来实现，为了使滤波效果明显，本实验的高频噪声是用高频均匀分布白噪声（Uniform）通过Butterworth高通滤波器过滤生成的，高通滤波器的截止频率设为10
WAV_VB
- 可以播放WAV格式的声音文件,并显示出该声音的波形频谱图,可以放大和缩小,可以控制声音功率,改进一下就可播放其它格式的文-Play WAV file and display waveform VB Controls
Light-Cube
- 基于单片机控制的一个光立方作品的C语言程序，此光立方可实现频谱和动画在一起，可切换显示。-Based on the C language program a microprocessor controlled light cube works, this light spectrum and animated cube can be achieved together, you can switch the display.
python
- 用python产生方波图像以及对其作傅里叶变换，通过三维图显示频谱图-Square image and Fourier transformation with python
wav
- 用C写的，如果将音频数据通过转换显示成频谱图-Written in C, if the audio data by converting the display into a spectrum ................................... .................................................. .......................................
A201001-2186
- 频谱分析仪是信号处理研究领域必不可少的工具。现有的基于快速傅利叶变换的频 谱分析仪能对线性的平稳的信号进行有效分析，但难以分析出非线性非平稳信号的瞬时频率 能量变化情况。针对此问题，本文设计了基于希尔伯特黄变换的频谱分析仪，能够对非平稳 信号进行有效分析。所设计系统以DE2-FPGA开发板为硬件平台，结合了NiosII的软核处 理器加以实现，可对采集的外部信号进行希尔伯特黄变换，得到信号的时间-频率-能量三维 谱，并可在VGA上实时显示出来。系统测试结果表明，所设计频谱分析仪
1602music
- 基于STC12C5A60S2单片机的音乐频谱采集，在1602上显示-STC12C5A60S2 microcontroller based music spectrum acquisition, display on the 1602
12864
- 基于STC12C5A60S2单片机的音乐频谱采集，在12864上显示-STC12C5A60S2 microcontroller based music spectrum acquisition, display on the 12864
daizu
- 采用切比雪夫滤波器，可实现带阻滤波。可以自己设置通带以及阻带的频率范围，傅里叶变换显示频谱图以及滤波后的信号。-Chebyshev filter, band-stop filter can be realized. You can set your own frequency range of the passband and stopband, Fourier transform and display the signal spectrum after filtering.
C6000-2
- 1．重点使用C程序熟悉CCS中的操作，主要熟悉探测点(Probe Point)，图表(Graph)，动画(Animate)3个操作调试的应用，通过现存的C程序，加外部数据文件，进行模拟仿真处理.然后加调制数据文件，显示数据的波形和频谱。-1. Focus on the use of C procedure with CCS in operation, mainly familiar with the probe points (Probe Point), graph (Graph), anima
newGUI(1)
- 完成信号波形显示，频谱分析，采样，采样后频谱分析和通过滤波器，进行信号恢复-Complete the signal waveform display, spectrum analysis, sampling, spectrum analysis, and through the filter, after sampling signal recovery
Untitled
- 用巴特沃斯低通滤波器原型设计一个IIR系统，使其输出只含有低频，并显示滤波后的信号及其频谱。 -In butterworth low-pass filter prototype design a IIR system, make the output contains only low frequency component, and displays the signal after filtering and spectrum.
Virtual-oscilloscope
- 虚拟数字示波器主要由软件控制完成信号的采集、处理和显示。系统软件总体上包括数据采集、波形显示、参数测量、频谱分析及波形存储和回放等五大模块。-Virtual Digital Oscilloscope complete the acquisition signals controlled by software, processing and display. System software, including the overall data acquisition, waveform dis
mcu51_fft_display
- 使用了一种比较分割的办法处理音频频谱，并通过LED屏显示频谱，无需FFT知识即可看懂使用。-Used a more integral solutions for audio spectrum, spectrum, and through the LED screen display without FFT knowledge understand use.
LED3264-FFT-DISPLAY
- 32X64双色点阵屏显示音乐频谱。增强型51单片机，型号为STC12C5A60S2-32X64 dual color dot matrix screen shows the music spectrum. Enhanced 51 microcontroller, model STC12C5A60S2
iir
- vc6.0编写的iir高通滤波器，可以读取wav文件，显示输入波形和频谱，以及高通滤波后的波形和频谱。还包含有滤波器的验证。-iir vc6.0 prepared by a high-pass filter, you can read wav file, display the input waveform and spectrum, and high-pass filtered waveform and spectrum. Further comprising filter verificat
MP3
- STM32F103ZET6自制MP3，CH376读取U盘，VS1053解码，LCD12864显示菜单，音乐列表，FFT计算显示音乐频谱-STM32F103ZET6 homemade MP3, CH376 read U disk, VS1053 decoding, LCD12864 display menu, music list, FFT calculation shows music spectrum