Your re part 1 of 2 If the frequency of the wave used by your favourite station is 91.6 Megahertz, what is the wavelength? Answe

Physics

Communication Systems Solutions

You have a speaker that plays music. The speaker plays music very smoothly when the volume is low but when the volume is high the speaker's music sounds horriblly. Design a low pass filter with your own numbers to make the speaker play music smoothly when the volume is high. Also draw a filter specification like the image attacked below. a |H (@jw) passband frequency 1 +81 stopband frequency 1 - 81 0,=0.217 0,=0.31 8,=0.1 8,-0.01 But assume the pass-band tolerance of 0.1 Wp 3 Design this in Matlab

Physics

Communication Systems Solutions

Remaining Time: 1 hour, 26 minutes, 52 seconds. Question Completion Status: QUESTION 1 What is the sound intensity level in dB produced by earphones that create an intensity of 3.9 x 10^-2 W/m^2? QUESTION 2 A wire of length 4.35 meters and mass 137 grams is under a tension of 125 Newtons. A standing wave has formed which has seve maximum amplitude at the antinodes is 0.0075 meters. Write an equation for this standing wave Show your work T T T F Paragraph Arial 3 (12pt) T ABC E E T T's % DOO fx Mashups CG HTML CSS

Physics

Communication Systems Solutions

Your re part 1 of 2 If the frequency of the wave used by your favourite station is 91.6 Megahertz, what is the wavelength? Answer in units of m. Answer in units of m part 2 of 2 Your resp i If the station is 55 km away, how long does it take for the radio waves to reach you from the station? Answer in units of seconds. Answer in units of seconds