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BtworthFilter
- 构造级联型Butterworth滤波器,可以是任意阶数,并计算出频率幅度响应,非常实用,封装成为一个类,以便大家使用。开发环境为VC 6.0-tectonic Cascade Butterworth filter, can be arbitrary order. to work out the frequency response range, very practical, Packaging, as a category, so that we use. Development enviro
FFT
- 利用FFT估计正弦信号的频率,要估计一个叠加了高斯白噪声的正弦信号 的频率 ,可以通过对x(n)做傅里叶变换,得到频谱图,找出幅度的最大值对应的频率值 ,进行多次变换,求出均方误差 。改变信噪比SNR,通过仿真可以得出随着信噪比增加,均方误差减小。-Sinusoidal signal using FFT frequency estimation, to estimate a Gaussian white noise superimposed on the frequency of sinusoi
pinlvji
- 多功能函数信号发生器,频率计,可产生三角波,方波,正炫波,锯此波,且波形幅度和频率可步进调节,最高频率可达40MHz-Multi-function signal generator, frequency counter, can generate the triangular wave, square wave, is hyun waves, saw this wave, and wave amplitude and frequency adjustment can be stepper, th
frequency
- 图像中的频率变换,包括快速傅里叶变换,幅度图像和相位图像,频率成分等-The image frequency transformation, including the fast Fourier transform, amplitude images and phase images, the frequency components, etc.
Oscillation-circuit-calculator
- 这个电路由RC串并网络构成选频网络,同时兼作正反馈电路以产生振荡,两个电阻和电容的数值各自相等。负反馈电路中有两个二极管,它们的作用是稳定输出信号的幅度。也可以采用其他的非线形元件来自动调节反馈的强度,以稳定振幅,如:热敏电阻、场效应管等。 该电路输出波形较好,缺点是频率调节比较困难。 -Their functions are stable output signal amplitude. Other nonlinear element is used to autom
kounen_v67
- 仿真图是速度、距离、幅度三维图像,可以得到很精确的幅值、频率、相位估计,在matlab R2009b调试通过。- FIG simulation speed, distance, amplitude three-dimensional image, You can get a very accurate amplitude, frequency, phase estimation, In matlab R2009b debugging through.
rf024
- 仿真图是速度、距离、幅度三维图像,esprit算法对有干扰的信号频率进行估计,模拟数据分析处理的过程。- FIG simulation speed, distance, amplitude three-dimensional image, esprit algorithm signal frequency interference can be assessed Analog data analysis processing.
Q_factor_calcualtor
- 利用Matlab计算quality factor. 输入是谐振波谱的数据,输出为:谐振频率,谐振幅度和quality factor。(Matlab coding. Calculate quality factor of resonator based on transmission spectrum data.)