Howtosignalprocessing
Elbert Ledner PhD, articles - page 8
Fourier Transform of sampled reflectance measurements
What is sampled Fourier transform?What is the Fourier transform of sampling function?Why is FFT needed in DSP?How is Fourier transform used in signal...
How to find if the signals are in sync or out of sync with each other?
What is signal synchronization?Which signaling technique used to have very good synchronizing capability?Is a circuit which synchronizes system signa...
DB SPL readings differ from external sound level meter?
Is dB and SPL the same?Are SPL apps accurate?How accurate are sound level meters?What is the difference between a sound level meter and a dosimeter? ...
Removing Noise from time across signal data
How do you remove noise from time series data?Can noise be removed from signal affected by it?Which technique is used to remove noise from data? How...
Envelope of I/Q data
What is I & Q data?What is I and Q in RF?What is I and Q data from radar?What is IQ format? What is I & Q data?I/Q data is an alternative me...
Help to calculate phase shift in certain frequency(identified from FFT)
How do you calculate phase shift?How do you calculate phase from frequency? How do you calculate phase shift?The phase shift equation is ps = 360 * ...
Power spectrum of uniform white noise
What is power spectrum of white noise?What is power spectral density of white noise?What is uniform white noise?Is white noise a power signal? What ...
Windowed N-point FFT
How does windowing affect FFT?What is windowing in DFT?What is a windowed signal?Which windowing technique is best? How does windowing affect FFT?Yo...
Converting PSD to Time Domain Signal
How do you convert frequency domain to time domain?How do you calculate the PSD of a signal?How do you calculate PSD from time history? How do you c...