Cayenne pepper is a spicy food that has been proved as a way of burning fat. The cayenne pepper is known by a few different names: the cow horn pepper, the Guinea spice, the bird pepper and even the aleva pepper.
ETL stands for Extract, Transform and Load, which is a process used to collect data from various sources, transform the data depending on business rules/needs and load the data into a destination database.
FFT and IFFT are transform techniques. FFT which is a technique to analyse signal in frequency domain like if we see our ecg signal in time domain and are not able to find problem then we can take FFT of this signal and find out how many frequency components are present and analyse it better.