Useful tips for everyday
Why should we choose you as a moderator? Being a moderator means helping in many ways that most people can’t. It’s nice to be a…
What is aliasing in ultrasound? In sonographic. Doppler, the result of aliasing is an apparent change in direction of blood flow in. high-velocity areas, producing…
How do you evaluate a loudspeaker? Your general first impression should be that the sound is wide range, with strong bass, clear vocals and instruments,…
What is IMU and GPS? An inertial measurement unit (IMU) is an electronic device that measures and reports a body’s specific force, angular rate, and…
Why do we use complex numbers in signals? This fits very naturally with Fourier analysis, where the frequency domain is composed of two signals, the…
What is transition width? Transition Width is the maximum distance between the laser line (where OD>6) and the 50% transmission point. Transition width is the…
What is multi scale image processing? The basic idea behind a multiscale analysis is to embed the original signal into a family of derived signals,…
How do you find the sample variance of the sample mean? Steps to Calculate Sample Variance: Find the mean of the data set. Add all…
How does a high pass filter remove DC offset? The HPF attenuates frequencies which are below the cutoff frequency. But, in many cases a HPF…
What is the Nyquist frequency formula? The frequency fn = 1/2Δt is called the Nyquist frequency. When spectra are presented for digital data, the highest…