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Title: ECET 345 Possible Is Everything--snaptutorial.com - PowerPoint PPT Presentation
Description: ECET 345 Week 1 Homework 1.Express the following numbers in Cartesian (rectangular) form. 2.Express the following numbers in polar form. Describe the quadrant of the complex plane, in which the complex number is located. 3.(a) A continuous-time sine wave has a frequency of 60 Hz, an amplitude of 117 V, and an initial phase of π/4 radians. Describe this signal in a mathematical form using the Sin function. 4. A sinusoidal signal described by 50 Cos (20πt + π/4) passes through a linear time invariant (LTI) system that applies a gain of 1.5 and a phase lag of π/2 radians to the signal. Write the mathematical expression that describes the signal that will come out of the LTI system. – PowerPoint PPT presentation
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