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Digital-filter
- 基于虚拟仪器开发平台LabVIEW的平台,给出了数字滤波器的设计方案。利用该滤波器对模拟信号进行了滤波和频谱分析,结果较为符合实际。在对虚拟仪器进行开发的同时,掌握LabVIEW编程语言,对虚拟仪器的构成、实现手段和开发方法有了一定的认识。 该数字滤波器操作简单,功能较多,并有很好的滤波等优点。-Based on the development platform of LabVIEW virtual instrument platform, design of digital filter is
dwt
- 研究中我么采用分段的方法对数字音频信号嵌入水印。为便于研 究,以灰度图像为数字水印原始信号经二值化处理后得到水印再嵌入 音频信号的离散变换域中,从而得到嵌入水印的音频信号,其实现过 程原理框图如图1 所示。在水印嵌入的过程主要实现四个阶段的任 务:(1)数据准备与预处理,主要是准备好水印原始图片和待嵌入水印 的音频信号 (2)音频信号分段处理,用于嵌入水印的音频数据部分等 分成(m1*m2)个音频数据段 (3)水印图像降维处理,在此过程灰度图像 水印转化为二值图象,
labview
- labview源码,包括锁相放大器,运算放大器,信号发生器,数字示波器,数字电压测试仪等-labview source code, including the lock-in amplifier, operational amplifier, signal generator, digital oscilloscope, digital voltage tester, etc.
szdyb
- labview 数字电压表 功能描述:实现仿真信号的电压测量,显示信号频率、标准频率、相位、幅值、直流偏置、峰值、平均值和有效值,并以图形方式显示仿真信号。-labview digital voltmeter Descr iption: Implementation of the simulated signal voltage measurement, display the signal frequency, standard frequency, phase, amplitude, DC
zero-pole-filter
- 使用零极点配置法设计的梳状滤波器 数字陷波器的vi,已经设计好了前后面板,打开即可使用,适合信号分析初学者学习-Using zero-pole placement method digital comb filter design notch filter vi, has been designed with front and rear panels, open to use, suitable for beginners to learn signal analysis
digital-oscilloscope
- 该vi主要是一台简单的单通道数字示波器,实现数据采集、波形显示、信号处理、波形存储等-The main vi is a simple single-channel digital oscilloscope, data acquisition, waveform display, signal processing, waveform storage, etc.
spectrum-analyzer-labview
- 基于图形化编程语言LabVIEW8.6的虚拟频谱分析仪,主要由信号发生器、数字滤波、参数测量、频谱分析和谐波分析构成,可实现对采样信号的显示、分析等功能.-This program designs the virtual spectrum analyzer based on graphical programming language LabVIEW8.6, the spectrum analyzer is mainly by the signal generator, spectrum ana
labview-filter
- 数字滤波器包含IIR数字滤波器和FIR数字滤波器。本设计的工作主要是Labview软件部分,包括信号生成模块、滤波模块、显示模块的设计-IIR digital filter comprises a digital filter and FIR digital filters. The design work is mainly Labview software parts, including signal generation module, filter module, display mo
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
Synchronization-(Part-2)
- 应用在数据采集中的同步信号采用,结合自己的NI数据采集卡,可以同步采集模拟信号和数字信号等。-Applied in the data acquisition synchronization signal using, combined with their own NI data acquisition card, can be synchronized with the acquisition of analog signals and digital signals, etc..
FIR
- FIR(Finite Impulse Response)滤波器:有限长单位冲激响应滤波器,又称为非递归型滤波器,是数字信号处理系统中最基本的元件,它可以在保证任意幅频特性的同时具有严格的线性相频特性,同时其单位抽样响应是有限长的,因而滤波器是稳定的系统。因此,FIR滤波器在通信、图像处理、模式识别等领域都有着广泛的应用。-FIR (Finite Impulse Response) filters: finite impulse response filter units, known as no
CollSpeech
- 四路语音信号采集,并将采集到的数字信号保存为文件输出-Four audio signal acquisition, and save the collected digital signal output file
LabVIEW-Digital-Signal-Processing
- 使用Labview进行数字信号处理学习文档-Digital signal processing using Labview study documents
Interpolation-Solver
- 数字信号处理的插值问题,非常易于理解,适合初学者-Interpolation of digital signal processing, very easy to understand, suitable for beginners
1D-Fourier-Interpolation
- 一维数字信号的傅里叶插值问题模板,非常易于理解,适合初学者-One dimensional digital signal Fourier interpolation problem template, very easy to understand, suitable for beginners
1D-Interpolation
- 一维数字信号的插值问题模板,非常易于理解,适合初学者-One-dimensional digital signal interpolation problem template, very easy to understand, suitable for beginners
2D-Interpolation
- 二维数字信号的插值问题模板,非常易于理解,适合初学者-Two dimensional digital signal interpolation problem template, very easy to understand, suitable for beginners
Scattered-2D-Interpolation
- 二维数字信号的插值因子模板,非常易于理解,适合初学者-Two dimensional digital signal interpolation factor template, very easy to understand, suitable for beginners
语音信号处理LABVIEW
- 交互式选择wav文件,显示WAV文件的通道数,量化精度,总样本数,文件名,并用Chart显示各通道波形。(Interactively select the wav file, display the number of channels WAV file, quantization accuracy, the total sample number, file name, and show the waveform of each channel using Chart.)
Self-made oscillograph
- LabVIEW在是在计算机上进行数据采集、数据分析处理。实现虚拟示波器的功能主要有从外界采样的模拟信号,转化为相应的数字信号,在计算机上实现波形的显示,并能够进行简单的波形处理,可以显示波形的最大值、最小值、平均值,并能够根据需要放大波形的倍数而放大。(LabVIEW is in the computer for data acquisition, data analysis and processing. The function of the virtual oscillograph mai