搜索资源列表
FFTinDLG
- 在VC++6.0中实现FFT算法(应用快速傅里叶变换:8 4 2),并通过对话框显示时频域曲线-in VC + +6.0 achieve FFT algorithm (Fast Fourier Transform application : 8 4 2), and through dialog at the frequency domain shows curve
FFT_phase_meter
- 激光测距仪中应用相位法中的相位差检测,应用频域fft算法 -laser rangefinders Application Phase Phase Difference Detection of application frequency domain algorithm fft
zhengxianboshujuwenjian
- 用C++ 生成的正弦波数据文件,N是fft的点数,f是正弦波信号频率,fs是采样频率,结果会生成in.dat文件 -C generated sine wave data files, fft N is the number of dots, f is the frequency sine wave signal. fs is the sampling frequency, the result will document generation in.dat
hosa1
- 信号与系统基础知识包括连续信号与模型、离散信号与模型;常用信号变换包括Z变换、Chirp Z变换、FFT变换、DCT变换和Hilbert变换等;离散系统结构包括IIR、FIR和Lattice结构;IIR滤波器设计包括模拟和数字低通、高通、带通与带阻滤波器设计,以及基于冲激响应不变法和双线性Z变换法的IlR滤波器设计等;FIR滤波器设计包括基于窗函数、频率抽样法和切比雪大逼近法的FIR滤波器设计;平稳信号分析包括经典功率谱估计、基于参数模型的功率谱估计和基于非参数模型的功率谱估计;非平稳信号分析包
All_phase--FFT
- 全相位FFT(apFFT)时移相位差法多频测试程序,内置5种不同的频率,可以得到很精确的幅值、频率、相位估计,仿真时精度很高。-All phase FFT (apFFT) method when multi-frequency phase-shift test procedures, built-in 5 different frequencies, can be very precise amplitude, frequency, phase estimation, the simulatio
OFDM
- 这是一个相对完整的OFDM通信系统的仿真设计,包括编码,调制,IFFT,上下变频,高斯信道建模,FFT,PAPR抑制,各种同步,解调和解码等模块,并统括系统性能的仿真验证了系统设计的可靠性。 -This is a relatively complete simulation of OFDM communication system design, including coding, modulation, IFFT, the upper and lower frequency, Gaussi
speechbymatlab
- 请认真阅读采用MATLAB分析WAV文件。 步骤一:选择一个WAV文件作为分析的对象 。(ding.wav) 步骤三:进行 FFT变换并画频域图形 。 步骤四:进行该声波主要频谱的分析。 步骤五:根据该声音的频谱,反演时域图形 。(有失真) 步骤六:进行付立叶逆变换IFFT并画频域图形 。-Please carefully read the WAV files using MATLAB analysis. Step One: Select a WAV file as the
AnalogVoiceSignal
- 观测实时模拟信号(语音)的频谱 用音频设备采集一段语音,将语音存为.wav格式。对wav文件作分段傅里叶变换分析。语音是分音节的,应把它分段分析,而且实际运用中的数字信号处理的FFT的点数是有限的,一般只能达到千点。用傅里叶反变换IFFT,从频域恢复信号。画出频谱图和语音波形图。 -Observing real-time analog signal (voice) of the spectrum collected with the audio devices section of
twocfileonecommandlineargumentbasedoneinputbased.
- for finding 256fft using decimation in frequency
PC-code-for-FFT
- this program calculates the twiddle factors, generator sine wave with user setting sample rate, signal frequency. The user interface gives parameter setting of sample frequency, signal freqency and number of sample and so on.
FFT
- FFT频谱分析,可以将正弦波,方波,锯齿波,三角波的频谱分析粗来,可以更改频率,更改采样的条件-FFT spectrum analysis, can be sine wave, square wave, sawtooth wave, triangle wave spectrum analysis of coarse, can change the frequency, the variation of the conditions of sampling
FFT
- 本程序的基本功能是对信号进行傅里叶变换,并同时提取出他的时域和频域的特征值。-The basic function of this program is the signal to Fourier transform, and the simultaneous extraction of his time domain and frequency domain characteristic values.
fft
- C语言实现几种不同FFT的方法:其中包括时间抽取的基2 DFT,频率抽取的基2 DFT,分裂基算法、CZT方法等。-C language implementation of several different FFT approach: including the time taken by the base 2 DFT, frequency extraction base 2 DFT, split based algorithm, CZT methods.
fft
- labview实现单边傅里叶变换,很好的将时域信号变为频域信号-Labview unilateral Fourier transform,Good time domain signal into frequency domain signal
deferent-of-FFT-FRF-and-FM
- 显示了对labview中FFT频谱、频响、和频谱测量三个vi的区别。-Shows the difference for labview in FFT spectrum, frequency response, and spectral measurements three of vi.
fft
- 运用C语言环境,实现基-2FFT运算,从而实现复杂的由时域分析转向频域分析的计算-Using C language environment and realize the base-2FFT operation, in order to achieve the complex time-domain analysis by calculating the frequency domain analysis of the steering
FFT
- 使用LabVIEW对输入波形经行傅里叶变换,对比时域信号与频域信号。-LabVIEW for use by the line of the Fourier transform of the input waveform, compared to the time domain signal and frequency domain signals.
fft
- 快速傅里叶算法源代码,通过此算法可以快速提取某一信号的工频以及各次谐波-Fast Fourier algorithm source code, by this algorithm can quickly extract a signal frequency and each harmonic
FFT
- 这是网上搜索到的FFT的程序,适合刚开始学习FFT的朋友。介绍了采样时间,采样频率等对FFT的影响,里面有我自己的注释,希望能够帮到你.需要的请拿走,不谢。-This is the online search to FFT program for just started learning FFT friend. Describes the effects of sampling time, the sampling frequency of the FFT, which has my own
FFT-and-Power-Spectrum-Units
- 基于FFT的测量推导单位以及labview的FFT模拟,. 在频谱单位表中,单击任意函数行的单位(直流)列或单位(频率> 0)列,验证频谱曲线组件与表格内公式的一致性。-FFT-based measurement units, and FFT simulations for labviews. In the Spectrum Units table, click the Units (DC) column or Units (frequency> 0) column of any f