Calculate the first 5 Fourier series coefficients (A0-4 and B1-5 ) for the estimated R wave. The first image of ECG shows the heart rate at about 70 beats per second. For the sake of simplicity,for this case, assume 60 beats per minute.Also, for simplicity, assume that the patient has only an R wave (neglect the other picks- Note thatthe patient may be diagnosed with premature or scape beats). From the first ECG image, The Rwave is about 2.5 mV high and lasts for a total of 40 ms. Then the R wave can be estimated asbelow (the time units are milliseconds):V(t) = -0.0000156(t - 20)4 + 2.5The shape of the R wave after estimation with a polynomial function will be :2.5Voltage (mV)1520.53002004006008001000Time (ms)

Answered: Image /qna-images/answer/533da2f9-e694-4b70-8866-a467dd3fb933.jpg

Answered: The first image of ECG shows the heart…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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2. A microphone receives sound pressure u(t) and converts it into a voltage signal x(t). Consider the case when the input sound pressure is u(t) = −2 cos (wot + 717) + 3 sin (2wot - 17) - Answer the following questions. cos 3wot (a) What is the fundamental frequency? Which term is the second harmonics? (5) (b) Figure 2 shows the magnitude and phase of the frequency response function G(w) of the microphone from u(t) to x(t). Please note that the frequency axis is in a log scale, and its unit is rad/s not Hz. When wo 50 rad/s, what is G(w) (both in magnitude and phase) at wo, 2w0, and 3wo? (c) What is the voltage output x(t) of the microphone when wo = 50 rad/s? Which har- monics dominates the response x(t) and why? (d) Find the range of the fundamental frequency wo in order for the microphone to properly reproduce the sound pressure u(t). Explain why to justify your answer. 10 Frequency (rad's) m x(t) u(t) Figure 1: A mass-damper system ġ(1) v(t) Mechanical Deformation Piezo Charge…
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You are watching a live concert. You can also find the concert streaming live on Spotify. About how far must you stand from the stage in order for the live concert and the live stream to be perfectly in sync? HINT: Assume the radio signal (Spotify) has to travel all the way around the Earth. circumference of the Earth (average): 40,041,000 m Speed of sound: 345 m/s Speed of light: 300,000,000 m/s
Why Umax=12μ? i could'nt understand 'Umax=12μ∆PLB24=1225×10-3250000.00624Umax=4.5 m/s' this sentence
A boat is at anchor outside a harbor. A steady sinusoidal ocean wave makes the boat bob up and down with a period of 5.10 s and an amplitude of 1.00 m. The wave has a wavelength of 26.5 m. What is the wave speed? What is the angular frequency? What is the wavenumber?
The two graphs below represent two aspects of the same harmonic traveling wave y(L,t). The graph on the left side, y(x,0), represents a snapshot of the entire wave at time t = 0. The graph on the right side, y(0, t), represents the position as a function of time for the point x= 0 on the wave. y(x,0) 10 у (0,) 10- 26×(cm) 5 57 t (s) 10 15 9. -5 -5 -10 -10- Using these two graphs extract the speed of propagation of the wave. Show the steps of your calculation and do not forget to include the units with your answer.
A particle vibrates through space. It took 3ms to complete one cycle. What is its frequency in Hz?
hello, are you able to do the other question bsed on the sample solution? i am unable to get the answer, and i kinda still dont understand. please do a step by step explaination . need to find the values in the yellow boxes
The response of a certain dynamic system is given by: x(t)=0.003 cos(30t) +0.004 sin(30r) m (5Mks) Determino: (i) the amplitude of motion. (2Mks) (ii) the period of motion. (in) the linear frequency in Hz. (4) the angular frequency in rad/s. (2Mks) (2Mks) (2Mks) (2Mks) (v) the frequency in cpm. (vi) the phase angle. (2Mks) (vii) the response of the system in the form of x(t) = X sin(t +$) m.
"A seismograph detects vibrations caused by seismic movements. To model this system, it is assumed that the structure undergoes a vibration with a known amplitude band frequency w (rad/s), such that its vertical displacement is given by xB=bsin(wt). This movement of the structure will produce a relative acceleration in the mass m of 2 kg, whose displacement 2 will be plotted on a roller." x= 15 kN/m Structure -WI 24 mm (Ctrl) sin(wt) b(w/w)² √√1 (w/w)] + [25(w/w)]²' "The seismograph's roller measures 60 mm, and a maximum vibration amplitude of the structure of b<5 mm is expected. Design the damper (constant c) to ensure that, for a constant oscillation, the seismograph functions correctly and the needle does not move off the roller."
Diego is standing 7.0 m North of a pair of adjacent speakerswhich are facing him. The speakers are coherently producing afrequency of 686 Hz. Diego’s friend, Shalanda, is going to moveone of the speakers directly East. How far away from the stationary speaker should Shaland move the other one such thatthe sound cancels out where Diego is standing? Find the minimum amount it should be moved. Hint: what is the conditionfor coherent waves to cancel?
15. A manufacturer is scaling up its production of a food product that requires the use of a mixer. If the mixer currently operates at a speed of 500rpm and produces a Reynolds number of 2000 , what would be the required speed of the mixer to maintain dynamic similarity if the product is produced on a larger scale? Given(Re)=(ρuvd)/μ

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