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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.
Suppose that the source charges of the two previous problems are present together. The potential at infinity is defined to be 0. a. Is the potential at the point (0.5, 0.5, 0.5) positive, negative, or zero b. Is the potential at (4, 4, 4) positive
Analysing an RF splitter and power levels, A splitter is a device that has a single input and several outputs. It is used to send a signal to several different locations
An Air capacitor consisting of two closely spaced parallel plates has a capacitance of 1000 pF. The charge on each plate is 1 micro C. What is the potential difference between the plates. If the charge is kept constant.
calculate the amout of mmf generated by a coil of wire having 1300 turns and carrying milliamperes of current?
Baseband digital trnamission and multi level coding, A baseband digital data link transmits polar binary NRZ current pulses at a rate of 1.0 Msps. The link uses ideal RRC filters with roll off factor r = 0.5.
A single-phase, half-wave SCR circuit is used to control the power consumption of an inductive load. The resistive component of the load is 5 Ohm. The source voltage is 120 V (rms). When the triggering angle is adjusted to 60 degrees
Overflow occurs when a result is too large to be represented accurately given a word size. Underflow occurs when a result is too small to be represented correctly (for example, a negative result while doing unsigned arithmetic.).
Identify one emerging technology, and evaluate its future prospects by identifying the cultural and social factors that may prevent or promote its successful application. Use concrete details to support your answer.
resistor: a volt-ohmmeter with an internal impedance of 1000 Ω/V and an EVM with an impedance of 11 MΩ. Calculate the voltage indicated by each of these devices.
Design an RC low-pass filter with a cutoff frequency at 2kHz, using a capacitor of \(0.1\mu F\) A. Show a circuit diagram and your calculations in obtaining R B. Make as sketch of the absolute value of the input impedence
What is dither in audio signal processing?
A three-phase induction motor has been tested, and has small stator resistance. At 230 V, 60 Hz, the motor produces 40 N-m at 1740 RPM.a) Given a 40 N-m load, input of 115 V and 30 Hz, what operating speed do you expect
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