For this I am trying to prove that angle theta between PQ and QO is equal to theta highlighted so that I know I can use theta is the path difference formula. I assume that the rays ##r_1## and ##r_2## are parallel since ##L >> d## My proof gives that the two thetas are...
the difference between the initial phases of quantities that are varying sinusoidally with the same frequency. Phase difference is measured in degrees, radians, or fractions of a period. The phase difference between voltage and current is of great practical importance in electrical engineering; it det...
To answer the question about the significant difference between ECG (electrocardiogram) and EEG (electroencephalogram), we can break it down into clear steps:1. Definition of ECG: - ECG stands for electrocardiogram. It is a
signals of a microphone A and a microphone B; then, acquiring a cosine value (cos theta) of an included angle between the axial line of a sound intensity probe and the propagation direction of sound waves; and acquiring a corrected value I theta (omega) of the cross-spectrum sound ...