搜索资源列表
DIF_FFT
- 按频率抽取计算FFT的C++源代码,可以较方便地移植到有C/C++开发环境的DSP中去-by FFT frequency calculated from the C source code, can be easily ported to the C / C development environment to the DSP
multiratefliter
- 设模拟带通信号频率范围1KHz—1.1KHz,设计一个采样频率8KHz数字频谱分析系统,要求频率分辨率0.1Hz。若对信号直接用FFT进行频谱分析-simulation based communications, with the frequency range 1KHz - 1.1KHz. Design of an 8 KHz sampling frequency digital spectrum analysis system requirements frequency resolutio
fft128c
- DSP2812下,C调汇编的128点FFT程序,算法为TI提供,定点,测量信号频率和幅度较好,速度比C快三倍左右.
fft-DIF
- 自己编写的C语言基于频率抽取的基2FFT算法,用于大家学习交流-I have written C language based on the frequency of taking the base 2FFT algorithm, for them to learn from the exchange of
fft2048
- 2048点实序列fft 采用优化地方法节省存储空间和运算时间。包括2048点实序列fft,信号幅度谱分析和排序。本程序用于基于tms320lf2407的波形采集与分析上,能够精确分析信号的幅度和频率分量。-2048-point sequence is optimized to fft method used to save storage space and computing time. Including the 2048-point real sequence fft, signal am
NFFT
- 用C语言写的基于按频率展开的N点FFT,绝对原创,源码大家一起分享-Carried out according to the frequency based on the N-point FFT, written with C
fft
- 2812实现FFT的源程序已经调试通过里面有正弦波数据通过正弦波的频率验证程序的正确性-2812 FFT programme。a sine signal is given to reform the result of FFT
DSP
- 通过TLC320AD50采集音频信号(f.max<10kHz),编写DSP的FFT处理程序(自定频谱分辨力),获得幅频特性之后,在点阵液晶(128*64)中大致显示出幅频图。并在液晶中用文字显示频率幅值前三的频率值。-By TLC320AD50 capture audio (f.max < 10kHz), the preparation of the FFT DSP processing (custom spectral resolution), obtained after the
PulseCompress
- 编写利用FFT实现脉压的ADSP测试程序,DSP平台为TigerSHARC处理器,编程语言不限,完成脉压计算。波形数据的采样频率为20MHz,信号的调频带宽1~10MHz可以选择,脉冲宽度20~200us可以选择。将MATLAB中产生的零中频线性调频信号的波形数据,导入VDSP++中,利用软件的仿真功能,运行程序,并且观察结果。统计计算脉压前后脉冲宽度的变化,脉压的增益。比较不同窗函数对脉压输出脉冲幅度和宽度的影响。统计不同条件下的运行周期数。-failed to translate
source
- 对着麦克风发点声音看看程序画面显示,本程序演示了声音的快速FFT变换(需要声卡和麦克风),对分析显示其各频率分量的程序.-Whistle a melody and watch this program graph the pitch in real time. The Frequency Analyzer technically speaking performs a Fast Fourier Transform of the sound (you need a sound card and a
quick-acquisitionmethod-of-signals
- 主要研究了两种高动态扩频信号快速捕获的方法,即基于FFT 的频域(载波) 并行捕获法和基于FFT 的时域(伪码) 并行捕获法,并使用MATLAB 进行了仿真和比较。仿真结果表明:基于FFT 的频域并行捕获可捕获较大的频偏并跟踪一定 的频率变化率,可用于卫星变轨等高动态、高加速度等飞行过程。而基于FFT 的时域并行捕获可快速捕获码相位,用于在轨飞行的飞行器,可根据轨道参数提前预报其多普勒频偏,但同时需要精密测距的飞行过程。-Research on the quick acquisition
exp1
- 语谱图是对一段语音在频域各个频段的能量的一种显示方式,一般做法是把语音分成若干帧,加窗后作FFT,求出每一帧不同频率的能量,求出语音每一帧不同频率的能量,一般是不同能量显示成不同颜色,显示成所谓语谱图。-The spectrogram display period of a voice in the energy band of the frequency domain, the general practice is the voice to be divided into several f
FFT_8SEG
- 在TMS320F28335中,利用FFT计算正弦信号的频率,并将频率值显示在数码管上。-On chip TMS320F28335,calculate the frequency of a sinusoidal signal, and output it on the led.
DSP_FFT
- 产生两不迥频率的信号,并对两信号作复数FFT变换,找出频率为50Hz的信号对其进行能量计算-Two distant signal is not generated frequency, and two signals for complex FFT transform to identify the frequency of 50Hz signal to calculate its energy
F2812-fft
- 关于F2812 fft 算法源程序,产生10KHz的频率输出-about F2812 fft,Will produce 10 kHz output on T1PWM and T1PWM pins
F2812_AD_SCI_FFT
- 基于TMSF2812,外部输入正弦信号,经AD采样,利用FFT辨识出频率和幅值,通过SCI发送至串口超级终端-Based TMSF2812, external input sinusoidal signal, the AD sampling, using FFT identify the frequency and amplitude, is sent to the serial port by HyperTerminal SCI
FFT(DSP库)
- FFT算法,可以采集输入信号的频率,这个可以让我把一个信号直接变到频域去分析,采用103写的(FFT algorithm, you can capture the frequency of the input signal, which allows me to directly change a signal into the frequency domain to analyze, using 103 to write)
