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pinxiang
- 将一个激振结构测得的时域信号fft变换，频谱分析，的到频谱图。-Fft transform of the time-domain signal, spectrum analysis
FFT
- 这个代码是用来对数字通信系统中FFT变换进行仿真，将时域信号进行FFT变换可得到频谱图形-This code is used to simulate the FFT algorithm in digital communication systems, time-domain signal available spectrum graphics FFT
fft
- 傅里叶变换C++ 实现 将时域信号转化为频域信号-Fourier transform C++ time domain signal into a frequency domain signal
FFT2048
- 可以完成2048点的FFT运算Matlab实现，将时域信号转化为频谱-Can finish2048operations of FFT Matlab, the time domain signal into the frequency spectrum
TSA
- 时序平均降噪程序。通过对时域信号进行平均，以达到降噪效果。-Timing average noise reduction program. Average time-domain signal in order to achieve the reduction in noise.
five
- 计算声发射时域信号特征值：裕值，振幅因子FK、fc，峭度，-Calculation of acoustic emission time-domain signal characteristic values: margin value, the amplitude factor FK, fc, kurtosis,
pinyu_half
- 原始时域信号FFT 之后，使用半功率带宽法辨识阻尼-After the original time domain signal FFT using the half-power bandwidth method to identify damping ~ ~~
MyFT_fft_1124
- 求频谱的程序，可以对求出时域信号的频谱。适用于时域信号分析。-Determining a spectrum of the procedures, the time-domain signal is obtained spectrum. Applies to the time-domain signal analysis.
PSD
- 功率谱密度计算程序，可以用于计算时域信号的功率谱密度。-The power spectral density calculation procedures can be used to calculate the power spectral density of the time-domain signal.
fre
- 在matlab下利用simulink搭建模块，对典型信号如正弦波、方波、三角波、锯齿波、白噪声以及叠加波形的时域信号进行频谱（幅值谱）特性分析。-Module in matlab simulink structures, such as sine, square, triangle wave, sawtooth wave, white noise, as well as the time-domain signal waveforms superimposed spectrum (amplitu
2PSK
- 2PSK通信原理，系统调制与解调仿真，时域信号，频域频谱-2PSK communication system modulation and demodulation simulation
wide_cbf
- 宽带波束形成，设计FIR滤波器系数。带宽为500Hz--700Hz,采样率为3000Hz，对白噪声序列进行滤波，即得到有限带宽的宽带时域信号-Broadband beamforming design FIR filter coefficients. Bandwidth of 500Hz- 700Hz, sampling rate of 3000Hz, filtered white noise sequence, ie limited bandwidth broadband time domain
baseband-signal_ofdm
- 一个OFDM 基带信号，采用256点IFFT,子载波采用8PSK映射,加保护段，调制信号采用“削顶”方法降低PAPR,FIR 半带滤波，最后输出时域信号/频域响应。包含各级的视频域比较-An OFDM baseband signal, using the 256-point IFFT, the sub-carrier using 8PSK mapping, plus the protection section, the modulated signal " cut top"
FFT
- 利用FFT快速傅立叶变换对已知几种信号进行处理，将时域信号快速变换到频域-FFT Fast Fourier Transform known several signal processing, the rapid transformation of the time domain signal to the frequency domain.
现行卷积运算
- DFT 是连续傅里叶变换在时域和频域上都离散的形式，将时域信号的采样变换为在离散时间傅里叶变换频域的采样。在形式上，变换两端（时域和频域上）的序列是有限长的。
PSD
- 傅里叶变换过程中由于时域信号长度有限，变换后有可能漏掉大的频谱分量-Fourier transform process, due to the finite length of the time domain signal, after conversion may miss a large spectral components
analysis-of-the-gear
- 计算齿轮故障，对齿轮进行时域分析（计算时域信号的各统计特征值）和频域分析（进行傅里叶变换，计算功率谱）-analysis of the gear
OFDM-analysis-and-simulation
- 实现了光OFDM模块的各个功能，同时仿真分析了OFDM的载波幅度谱、相位谱、每个载波对应的时域信号、整个时域/频域的OFDM、每个接收符号的分布图。计算了相位差-To achieve the various functions of the optical OFDM module, the simulation analysis of the the the OFDM carrier amplitude spectrum and phase spectrum, and the time doma
include
- ad转换fft快速算法 把波形（时域信号）变换到频域，使得用户更好的分析。-failed to translate
sound_test
- ＬabView 声音转换，将电脑声卡获取的时域信号转换成频率信号．-LabView sound converter, the computer sound card to obtain the time domain signal into a frequency signal.