Useful tips for everyday
What does it mean to multiply two signals? The next basic signal operation performed over the dependent variable is multiplication. In this case, as you…
Why is the root of twelfth 2? There is a magic number in western music, known as the twelfth root of two, and it has…
What is a frequency response function FRF? A Frequency Response Function (FRF) is a function used to quantify the response of a system to an…
How do you remove a linear trend in data? To detrend linear data, remove the differences from the regression line. You must know the underlying…
How to get the FFT from the audio WAV file? Hi guys, I am new to MATLAB. I need help on how to get FFT…
What is read noise in CCD? Read noise is the amount of noise generated by electronics as the charge present in the pixels is transferred…
What is pre processing in speech recognition? Based segmentation preprocessing is put in the speech signal according to a phonetic transcription of language, in order…
How to calculate DTFT of the DTFT derivative? Consider the signal x [ n] and its DTFT transform X ( e j ω) . Assume…
What is channel estimation in wireless communication? Channel estimation is a challenging problem in wireless communications. Transmitted signals are typically reflected and scattered, arriving at…
What is UQI in image processing? Wang et al. [2] introduced universal image quality index (UQI). UQI evaluates quality of an image using loss of…