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Unformatted text preview: 6. What is the log of 1584.89, 0.00002, 16,987,000, and 0.013? 7. What are the following numbers logs of: 6.73, 3.3, 12.4, 1.1? Summer 2011 1 Problem Set 07 P ROBLEM S ET 7 G ENERAL S CIENCE 121 S UMMER 2011 8. How many decibels are 3 times louder? 9. How many decibels are 6 times louder? 10. Draw the Fourier spectrum for a signal which is the combination of a wave of 220 Hz and an amplitude of 3 and another wave that is 410 Hz with an amplitude of 5. 11. What did Fourier say that any complicated signal can be deconstructed into? 12. Sketch a plausible Fourier spectrum for a tuning fork of 512 Hz struck with the wooden handle of a mallet. Summer 2011 2 Problem Set 07...
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 Spring '08
 Niculescu,M
 Sound pressure

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