IEEE

Efficient Decomposition of Multistage Composite Length FFT for Complex and Real Signals

Abstract: Fast Fourier Transform (FFT) algorithms play a fundamental role in modern digital signal processing (DSP). A composite length FFT decomposes a longer-length FFT into multiple shorter-length ...
Psychology Today

What Is Anxiety?

Anxiety is both a mental and physical state of negative expectation. Mentally it is characterized by increased arousal and apprehension tortured into distressing worry, and physically by unpleasant ...
PCMag

I'll Make You a Spreadsheet Pro. Try My 50 Favorite Excel Tricks

As PCMag's resident data journalist, I practically live in Microsoft Excel. I've learned that it's capable of far more than I ...
IEEE

Research on On-line Rejection Algorithm of Distortion Harmonic Signal in Hydrogen Laser Detection Based on Waveform Template Recognition

Abstract: In order to solve the problem that the Tunable Diode Laser Absorption Spectroscopy (TDLAS) hydrogen detection system is easily disturbed by the environment and the harmonic signal is ...
Frontiers

The frequency spectrum of the solar-wind magnetic-field fluctuations that reside outside the strong current sheets: fast and slow solar wind

Motivated by knowledge that directional discontinuities (strong current sheets) in the solar-wind magnetic time series have dominating effects on the magnetic power spectral density of the solar wind, ...