搜索资源列表
fftfpga
- 采用按时间抽选的基4原位算法和坐标旋转数字式计算机（CORDIC）算法实现了一个FFT实时谱分析系统。整个设计采用流水线工作方式，保证了系统的速度，避免了瓶劲的出现；整个系统采用FPGA实现，实验表明，该系统既有DSP器件实现的灵活性又有专用FFT芯片实现的高速数据吞吐能力，可以广泛地应用于数字信号处理的各个领域。-time selected by using the in-situ-4 algorithm and coordinate rotation digital computer (CO
FFT
- FFT频谱分析 非常不错的一些例子 对于初学者非常有帮助！-FFT spectrum analysis of some very good examples of very helpful for beginners!
matlab13
- MATLAB下的数字信号处理实现示例,包括信号、系统和系统响应的MATLAB函数以及用FFT进行信号的频谱分析的函数及其实现-MATLAB under the digital signal processing to achieve sample, including the signal system and the system response function as well as the MATLAB signal FFT spectrum analysis function and
AudioSpectrumAnalyzerArticle
- This article describes how to build simple audio spectrum analyzer based on FFT algorithm using Philips LPC2138 microcontroller.
Foreign-design-Radio-Spectrum-Monitor
- 分析了输入信号的频谱，运用的FFT处理数据，外国人设计的 效果不错-This is an experimental work to monitor a spectrum pattern in radio band, and is a continuous project from Audio Spectrum Monitor. To analyze the spectrum of an input signal, I chose an Atmel AVR microcontroller that
FFTlvbo
- 对信号进行FFT变换，再将特定的频率段滤波滤除，最后描绘出滤波前后的振幅谱以及滤波后的时间域信号。-FFT transformation on the signal, then the specific frequency segment filter to filter out, and finally depict a time domain signal after the amplitude spectrum before and after filtering and filterin
Project-Audio-Spectrum-by-AVR-FFT-Proteus
- Project Audio Spectrum by AVR atmega128 - FFT - GLCD 128x64
FFT
- 用DFT实现长序列卷积并用FFT进行信号谱分析-Long sequence convolution using DFT, FFT signal spectrum analysis
FFT
- FFT频谱分析,对输入信号进行采样。取出其中一段数据，然后计算其自相关。计算结果可以通过用VisualDSP++的plot功能描绘出来。-FFT spectrum analysis, the input signal is sampled. Remove one piece of data, and then calculate the autocorrelation. The calculation results can by using VisualDSP++ plot function
fft
- 对变形的条纹图像进行傅立叶变换得到二维频谱图并提取基频-Fourier transform in deformation stripes image two-dimensional spectrum and extract the fundamental frequency
matlab-fft
- 主要用于对MATLAB的仿真上，进行FFT函数快速分析，已得到频谱波形和谐波波形的显示，进一步分析原理。-Mainly used MATLAB simulation, rapid analysis of the FFT function, has been harmonious spectrum waveform waveform display, further analysis of the principle.
matlab11
- matlab数字信号处理示例，包含信号、系统和系统响应；用FFT进行信号的频谱分析等-Digital signal processing matlab examples, including signal, the system and the system response signal using the FFT spectrum analysis
MUSIC
- 阵列信号处理算法，估计目标声源方向，空间谱估计基础和DOA估计模型，研究了DOA估计中的MUSIC算法，给出了MUSIC算法的原理和步骤程序包含常规波束搜索算法和MUSIC（多重信号分类）算法（在程序相应部分有说明）。两种方法都采用FFT算法来提高运算速度，简化程序编程（。-Array signal processing algorithms estimate the target sound source direction, spatial spectrum estimation and D
matlab-fft
- matlab平台基于傅立叶变换的信号频谱分析深度理解和仿真，一看就能明白！-Based on the signal spectrum analysis matlab platform Fourier transform depth understanding and simulation, a look can understand!
SPPP3.0PUserPGuide
- SP++3.0手册，C++库的信号处理库，包括信号产生，FFT，滤波器设计，频谱分析，小波变换-SP++ 3.0 Manual, C++ library signal processing including signal generation, FFT, filter design, spectrum analysis, wavelet transform
FPGA-DESIGN-OF-A-HARDWARE-EFFICIENT-PIPELINED-FFT
- The digital wideband receiver is a critical component in modern digital receivers. The receiver has the capability to expose and distinguish adverse signals contained within a large bandwidth (on the order of 1 GHz or more) of the radio frequency (RF
Design-and-Implementation-of-FPGA
- 设 计与 实 现了 一种 以 F P GA 为核 心 的实 时 频 谱分 析 系 统。 系 统 包含 实时 频 谱 监 测 和 实 时 频 谱仪 2 种 频 谱分 析 模式 。 实 时频 谱 监 测 模 式采 用 F F T 算法 设 计实 现 , 用 于 对信 号 的 实时 监 测 实 时 频 谱 仪 模 式 采 用 D F T 算法 设计 实 现, 用于 信 号的 细致 分 析。 实验 证 明 , 系 统 充 分 利 用 了 F P GA 芯 片 的 资 源, 具 有
2
- 加深对离散信号的DTFT和DFT的及其相互关系的理解。；在理论基础上，加深对快速傅立叶变换的理解，熟悉FFT算法及其程序的编写；熟悉应用FFT对典型信号进行频谱分析的方法。-To deepen DTFT the discrete signal and DFT and its understanding of the relationship. On the basis of theory, deepen the understanding of fast Fourier transform,
fft_show
- 利用两个信号相加形成混叠信号，通过fft看他们在频谱中的结果-The use of two signals added to form aliasing, by fft to see their results in the spectrum
FSWT-and-Spectrum-Kurtosis
- 本文提出一种基于频率切片小波变换和谱峭度的综合算法。首先对轴承端的振动信号时频分析，采用FFT、包络谱、频率切片小波变换对其频域性能进行分析，再求其峭度谱与对应包络谱，结合其时域、频域性能，综合分析轴承故障。-This paper presents a synthesis algorithm based on frequency slice wavelet transform and spectral kurtosis. Firstly, the time-frequency analysis