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measure ECGs and applied different filtering techniques.
1. In what circumstances is analog filtering (hardware filtering) better than digital filtering (software filtering)? What are the advantages/disadvantages to both?
2. What are the limitations of the moving average filter used in digital filtering?
3. What happens to an ECG signal when a triggered average is applied? (I can see from the graphs that the peaks directly before and after the triggered peak become more and more blurry, but I don't understand what is happening to the noise when triggered averaging is applied.
4. How to apply triggered averaging using a simple circuit.
Design a 2-bit counter that, when v = 1, counts in the repeating sequence: 0, 3, 1, 2, and when v = 0, counts in the reverse direction. (a) Construct a state diagram and state table. (b) Implement the counter using D flip-flops.
a) Determine the frequency range of the local oscillator for this receiver b) Analyze and explain whether it's possible for this reciever to receive both a diesred AM station and an image station within the same 31-meter band
when the line was open-circuited, the measurement yielded an input impedance equivalent to a capacitor with capacitance of 40 pF. Find Zo of line, the phase velocity, and the relative permittivity of the insulating material.
Design a filter for a biomedical instrument to eliminate DC (f = 0), 500 Hz tone, and its corresponding harmonics. The system sampling rate is 2,000 Hz. Place all the required poles at the origin to obtain a FIR filter.
A dc series motor of 230 V, 12 hp, 1200 rpm is connected to a 230 V supply. It draws a current of 40 A, and rotates at 1200 rpm. Ra = 0.25 ohms and Rs = 0.1 ohms. Assume magnetic linearity.
Compute the Transfer Equation, The questions are for the equation: y"(t) + 6y'(t) + 34y(t) = 2x'(t) + 11x(t)
The mobility of electrons in certain semiconductor is 1400 cm2/ (volt x sec). At room temperature (T=300K) calculate the diffusion length of electrons. What are the assumptions used in low-level injection of carriers
A police K-band radar is operating, with transmit power of 1000 Watts and antenna gain of 300 in linear units. The radar unit is designed to detect a target with a radar cross-section (RCS) of 6 sq. meters and its receiver can detect a signal
Simple in concept, but complicated in execution because of the resulting integrand: Explicitly evaluate (in Cartesian coordinates) the surface integral (flux) over the surface S defined as the face of the cube that is perpendicular
The reliability performance of each microprocessor is based on the exponential reliability distribution with the following failure rates: A = 23.5 × 10^-3 , B = 12.5 × 10^-4 , C = 12.5 × 10^-4 and D = 23.5 × 10^-3
Which of the following provides the basic attributes and behaviors of a Java window - a title bar at the top of the window and buttons to minimize, maximize, and close the window JLabel JFrame JSwing
Design a class - A transformer-coupled emitter-follower amplifier to deliver 10 W to an 8 Ohm speaker. The ambient temp is 25 C and the maximum junction temp is Tj max = 150 C. assume the thermal resistance value are dev-case = 3.2 C/W
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