Rolando Purdy, articles - page 28

System Causality of the given system
Causality of the given system
A system is said to be causal if it does not respond before the input is applied. In other words, in a causal system, the output at any time depends o...
Frequency Attenuate frequency bin in FFT array resulting in artifacts [duplicate]
Attenuate frequency bin in FFT array resulting in artifacts [duplicate]
Why is it a bad idea to filter by zeroing out FFT bins?How many frequency bins are generated by the FFT? Why is it a bad idea to filter by zeroing o...
Harmonic Finding Harmonics Analytically
Finding Harmonics Analytically
Is a harmonic function analytic?How do you find the harmonic function?How do you find the solution of a harmonic oscillator? Is a harmonic function ...
Decimation Proper way to implement a decimation
Proper way to implement a decimation
How do you do decimation?What is decimation when it is performed?Is decimation same as down-sampling?How do you decimate a signal in Matlab? How do ...
Autocorrelation How to visualize the autocorrelation matrix and it's properties
How to visualize the autocorrelation matrix and it's properties
What is autocorrelation matrix?What is correlation and autocorrelation in DSP? What is autocorrelation matrix?The autocorrelation matrix is a Hermit...
Parity Why $H(A)=H(C)$ where $C$ is $A$ with an additional parity bit?
Why $H(A)=H(C)$ where $C$ is $A$ with an additional parity bit?
What is the purpose of adding parity bit?Why would you expect a CRC to detect more errors than a parity bit?Where is the parity bit added?How to add ...
Filter Savitzky-Golay filter vs. IIR or FIR linear filter
Savitzky-Golay filter vs. IIR or FIR linear filter
Which has linear phase IIR or FIR filters?What does a Savitzky-Golay filter do?Is a Butterworth filter FIR or IIR?What is a Savitzky-Golay Filter IEE...
Magnitude How do MATLAB and/or Python treat $2^n$ samples rule in FFT
How do MATLAB and/or Python treat $2^n$ samples rule in FFT
How to implement FFT in Matlab?How to plot magnitude of FFT in Matlab? How to implement FFT in Matlab?Y = fft( X , n ) returns the n -point DFT. If ...
Signals How to convert sampled real audio signal to it's IQ components for IQ modulation?
How to convert sampled real audio signal to it's IQ components for IQ modulation?
How are IQ signals generated?What is IQ sampling?What is IQ modulation?What is LTE IQ sample? How are IQ signals generated?I/Q signaling refers to t...