Dennis Metz, articles

Power For a real-world system of oscillating mechanical components, what kinds of frequencies should I seek in DFT?
For a real-world system of oscillating mechanical components, what kinds of frequencies should I seek in DFT?
How do you calculate power spectral density from FFT?Why is FFT needed?What does the amplitude of FFT mean?What is power spectrum analysis? How do y...
Hysteresis Understanding how to apply hysteresis based thresholding technique to an image?
Understanding how to apply hysteresis based thresholding technique to an image?
How does hysteresis thresholding work?What is hysteresis thresholding Matlab?How many thresholds are employed in hysteresis thresholding? How does h...
Correlation Correlation and ratio between two signals?
Correlation and ratio between two signals?
How do you calculate the correlation between two signals?Why do we need a correlation between two signals?What is meant by correlation of signals?Wha...
Power Signal power from single sided DFT
Signal power from single sided DFT
What is single sided and double sided spectrum?How do you calculate power from FFT?How do you calculate the power spectrum of a signal?Does FFT give ...
Domain What is the name for the technique of comparing a time domain signal to an expected signal with a sliding window?
What is the name for the technique of comparing a time domain signal to an expected signal with a sliding window?
Is FFT in frequency domain? Is FFT in frequency domain?An FFT transform deconstructs a time domain representation of a signal into the frequency dom...
Frequency What is the drawback to analyzing the second harmonic of a signal?
What is the drawback to analyzing the second harmonic of a signal?
What is second order harmonic?What are harmonics of a signal?How do you find the harmonics of a signal? What is second order harmonic?Second-harmoni...
Power Can a large drop in the PSD indicate the presence of a periodic noise?
Can a large drop in the PSD indicate the presence of a periodic noise?
What is PSD power spectral density?How is PSD calculated?How do you find the PSD of a signal in Matlab?Why is power spectral density used? What is P...
Periodogram Periodogram (Welch) has different levels depending on length of segment/ resolution
Periodogram (Welch) has different levels depending on length of segment/ resolution
What is Welch periodogram?What's the difference between periodogram and spectrogram?How do you calculate a periodogram?What is periodogram in signal ...
Wavelet Implement a simple Continuous Wavelet Transform for specifics frequency
Implement a simple Continuous Wavelet Transform for specifics frequency
How do you find the continuous wavelet transform?Is wavelet transform in frequency domain?How do you do a continuous wavelet transform in Matlab?How ...