A key algorithm that quietly empowers and simplifies our electronics is the Fourier transform ... To keep the sound high-quality, the sampling frequency has to be at least twice the highest ...

Radio interferometry is a technique in radio astronomy where signals from two or more radio telescopes are combined to ...

In cases where coherent sampling cannot be achieved, a window function with low-side lobes ... to-digital converters (ADCs) using fast Fourier transform (FFT) analysis, coherent sampling typically ...