Useful tips for everyday
What does 255 mean in RGB? In RGB, a color is defined as a mixture of pure red, green, and blue lights of various strengths.…
What is the advantage of using decibel instead of ratio? The decibel confers a number of advantages, such as the ability to conveniently represent very…
What is the 6 dB rule? This rule states that for each bit you add to a signal, you add 6 dB of signal to…
How do I find the size of an image in Matlab? readImage1=imread(image_file1); [x1,y1,z1] = size(readImage1); How do I resize an image in a directory in…
What is training symbol in OFDM? Training OFDM symbols or equivalently OFDM preambles are transmitted at the beginning of the transmission record, while pilot symbols…
How is the PSD calculated for positive frequency? Only positive frequency components are considered, and so the values for the square of the modulus of…
How do you make a Butterworth low pass filter? Filter Design – Butterworth Low Pass Since n must always be an integer ( whole number…
What does the distance transform calculate? The distance transform provides a metric or measure of the separation of points in the image. The bwdist function…
What is oversampling and undersampling in ADC? Oversampling increases the cost of the ADC. The cost of 200 MSPS ADC is at least twice the…
What is homodyne detection in optical communication? Homodyne Detection For optical homodyne measurements, both waves are virtually always derived from the same laser source. The…