We present a technique based on modified linear prediction for accurate estimation of the steady-state frequency of a sine-wave burst with extremely short record length. The estimation procedure presented here makes use of automatic windowing of the burst location within the observation interval. Such...
In this paper the accuracy of the sine-wave frequency estimator returned by an iterative Interpolated Discrete Fourier Transform (IpDFT) algorithm based on a Maximum Sidelobe Decay (MSD) window is analyzed. The expressions for the contribution to the frequency estimation error of either the spectral...
连接：http://ieeexplore.ieee.org/iel5/5185481/5201287/05201300.pdf?arnumber=5201300 ims.unipv.it/~franco/ConferenceProc/289.pdf
You can measure such data by driving the system with a sine wave at a set of frequencies ω1, ω2, ,...,ωn, as shown:At steady state, the measured response yi(t) to the driving signal at each frequency ωi takes the following form: ...
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x = sinewave(); Apply a frequency offset of 100 kHz to the signal. offset = 100e3; y = frequencyOffset(x,fs,offset); Display the input and frequency-shifted signals by using the spectrum analyzer. sascope(x,y) Input Arguments
Not sure If this is "By design" in the chip, Or if I have a cheap Chinese counterfeit chip, Or this is something possible improve in this library But I get some high frequency signal on the output when I change the frequency when I call ...
To demonstrate this, we compared fCWT to CWT on both clean and noisy synthetic datasets (see Data availability statement for details). Each dataset consists of three wavepackets that validate an algorithm on spectral and temporal resolution and bandwidth size. A noisy dataset was generated to ...