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Generate and plot a sampled sine wave with fs=8kHz, of 4 seconds duration, with frequency ω0 = Π/10 and amplitude A = 1.2. The waveform equation is
x(n) = A sin nω
Explain the role of each of the variables in this equation. What is the true (Hertz) fre- quency generated in this case?
Generate a Gaussian random signal vector, v(n), of the same length. Then generate a noisy signal of the form
y(n) = x(n) + αv(n)
(2) Listen to the resulting signal y(n) for various values of α. You will have to choose the value of α experimentally - try both small and large, and investigate the differences. Plot one of the waveforms, and comment briefly on your results.
how
a particle of xkg pended by two light inextensible strings of AB and BC of lengths 8cm and 6cm respectively with the mass x attached to B. The end A and C are fixed at the same and
when a billard ball hits another billarid ball then other ball is maving but striking ball also move some distance why
what is classification of solid insulator , semiconductor , conductor
Define Coulombs Law Coulomb's Law: The magnitude of the electric force among two electric point charges is proportional to the product of the two charges (Q1 and Q2) separated
OHM’S LAW: So far you have been introduced to the concepts of electric current (as a movement of free electrons through a conducting material), voltage (or potential) and poten
Describe "Reverberation time" and "Absorption coefficient". Illustrate Sabine's formula for reverberation time in a closed auditorium.
The substances which can be stretched to big values of strain are known as elastomers. e.g. elastic tissue of aorta, the main artery carrying blood from the heart.
Basic principles of spectrophotometry: An absorbance spectrophotometer is an instrument that measures the fraction of the incident light transmitted through a solution
indicate the process of heat exchange that does not depend on temperature difference between human skin and enviroment a: convection b: evaporation c: radiation d: conduction
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