Engineering

Engineering, 11.07.2019 04:20, jebjeb6135

In inverse fft operation on a frequency response function will give which of the following a)-time domain of response over excitation ratio b)-time domain of motion over force ratio & c)-impulse response function d)- all of the above e)- none of the above

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Engineering, 09.09.2019 18:30, HNesmith16

We will plot the responses of many systems in this course, and ills crucial that your plots' titles contain key parameters of the particular system whose response you are showing. the free response of an underdamped sdof oscillator to initial conditions x(0)=x0 and x(0)=v0 iswhere omega d =omega n square root of 1-zeta^2 is the damped natural frequency of the system. using the above equation, plot the response x(t) versus time for a system with natural frequency omega n = 4 rad/sec and damping ratio zeta= 0.05 subject to initial conditions x(0)=0 cm and v 0=3 cm/s. use the linspace command (see prob. i above) to create a time vector with exactly 739 points between 1 =0 and t =10 sec. the four parameters must be entered automatically in the title, and you may not use a loop to calculate the response. also, report clearly the value of 700^th position in your time vector. basically, it is expected that you create a time vector and evaluate the equation above for all time with one command. you must turn in both your m -file and your plot.

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Health, 15.10.2019 07:10, oglilbrandon

Exercise 2 consider what your response might be to the following client statements made in the interview process. 1. "i want my sister to come in with me for the examination." response 2. "yeah, those are my meds, but i stopped taking the little green ones because they upset my stomach." response 3. "why do i have to get on the scale every time i come here? it is embarrassing response 4. "you're not going to have to give my little guy a shot, are you? response 5. "why won't you tell me the test results? why do i have to wait for the doctor? response 6. "my best friend died of a heart attack this year. can you do an ekg just to make sure everything is okay? response 7. "my wife made me come for this physical exam; otherwise, i wouldn't be here." response

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Computers and Technology, 25.10.2019 01:43, stevend0599

6.7 write a matlab script (m-file) that executes the simulink simulation for the mechanical system in problem 6.6 for input frequencies ranging from = 1 rad/s (0.16 hz) to = 100 rad/s (15.92 hz) in increments of 1 rad/s. store the ratios of the output/input amplitudes but use only the last one-third of the simulation response data (the so-called steady-state response) for each input frequency [hint: to do this, compute the ratio xend∕xin by using the command max(x_end)/max(x_in) where x_end is the last one-third of the system response x(t)]. plot the output/input amplitude ratio vs. input frequency, and based on your plot, summarize how the mechanical system’s displacement response x(t) varies with input frequency this problem is an example of a system’s frequency response, where the system input is a periodic function (such as a sinusoidal input function).

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