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Consider an LTI system whose response to the input signal x(t) is the signal y(t) as illustrated below. Given an input x1(t) to the above LTI system,   Which of the following is correct regarding the input x1(t) and output y1(t)?

This OSHA mandate outlines practices and recommends equipment modification  to prevent repetitive or stress injury in the lab. 

For a periodic input signal x(t), the fundamental frequency is ω0 = π/4, what is the fundamental period?

Consider an LTI system whose response to the input signal x(t) is the signal y(t) as illustrated below. Given an input x1(t) to the above LTI system,   Which system properties are used to get system output y1(t) from system input x1(t)?

Is the discrete-time signal x[n] = sin(π*n/3) periodic? If yes, what is the fundamental period?

What is x[n]*δ[n-k] (convolution)?

Which of the following activities would likely occur during the ‘forming’ stage (or phase) of team development?

A periodic input signal x(t) with Fourier series coefficients ak and fundamental frequency ω0 goes through a LTI system with impulse response h(t) and generates output signal y(t). Which of the following is the equation to calculate the frequency response of the LTI system from its impulse response?

Th video recording has begun. Please perform a complete desck scan now, then select proceed to continue. If you have already completed a scan, please re-scan now so that the scan can be recorded. Time has been allotted for the desk scan, so please do not be concerned about loss of time for the test itself.  Please note: Failure to perform a proper desk scan before continuing with the following questions will result in a 5% penalty to your total grade for this assessment. 

When you stop a colleague in the break room to chat about an analyzer beeping, you notice they continue to scroll on their phone, never looking up or making eye contact. What type of communication is being displayed by your colleague?