Rolando Purdy, articles - page 18

What should be my sampling frequency?
The sampling frequency should be at least double the maximum frequency. If your measurement is done in the pass-band (2.38 GHz-2.46 GHz), so the maxim...
Is it correct to call a Savitsky-Golay filter of degree 0 a simple moving average?
How do you use Savitzky-Golay filter?What is a Savitzky-Golay filter Schafer?What is a Savitzky-Golay Filter IEEE?What is window size in Savitzky-Gol...
What is the advantage of this system (DA port in the DAS is usually equipped with its own power amplifier at the analog front-end)
What are the advantages of Class A power amplifier?What are Class D amplifiers used for?Which device is used for the amplification of audio signal be...
Spread Spectrum (CDMA) signal phase noise measurement
How is phase noise measured using the spectrum?What is spread spectrum in CDMA?How is phase noise calculated?What is phase noise analysis? How is ph...
Is a LTI filter completely characterized by its frequency response
LTI filters can be completely described by their frequency response and phase response, the specification of which uniquely defines their impulse resp...
Why is the fft magnitude spectra of sine not symmetric?
Is The FFT symmetric?What is the FFT of a sine wave?Is frequency response symmetric?Why is DFT symmetric? Is The FFT symmetric?Note that an FFT resu...
Discrete Frequency Equation and Relation
What is a discrete frequency?What is the relationship between continuous-time signals and discrete-time signals?What is discrete frequency domain? W...
Baseband representation of a LFM chirp signal
What is LFM in RF?How do you calculate chirp time?Why is a chirp signal used?What is chirp modulation? What is LFM in RF?A novel radio frequency (RF...
What is the correct order of operations for a 2D Haar wavelet decomposition?
How do you do wavelet decomposition?What is decomposition level of wavelet transform?What is 2D wavelet transform?What is Haar wavelet method? How d...