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A rate 1 /2 convolutional code with dfree = 10 is used to encode a data sequence occurring at a rate of 1000 bits/sec. The modulation is binary PSK. The DS spread spectrum sequence has a chip rate of 10 MHz.
1. Determine the coding gain.
2. Determine the processing gain.
3. Determine the interference margin assuming an
Charges +Q and +3Q are separted by a distance 2m. A third charge is located such that the electrostatic system is in equilibrium. Find the location and kthe value of the third charge in terms of Q.
The motor described in questions 2 and 3 is to be connected with copper conductors with type THHN insulation. What size conductors should be used? The termination temperature rating is not known.
a 8 farad capacitor is charged to 6 volts, at t= 0 this charged capacitor connected in parallel to uncharged capacitor, the value of this uncharged capacitor is 10 farad. calculate the amount of lost energy in Jouls.
Draw a timing waveform for the clock, input D, and outputs Qpos, Qneg, and Qms that illustrates the differences in input/output behavior of a positive edge-triggered D flip-flop, negative edge-triggered D flip-flop, and master/slave flip-flop.
Voltage v(t) = 4e-20tV for t > 0 is input to the circuit. The resultant current i(t) = -1.2e-20t - 1.5 A. The initial inductor current iL(0) = -3.5A. Find the values of the inductance L and the resistance R in the circuit.
A torque of 18 N-m is applied to a rotating part. The moment of inertia is 0.078 kg-m2. How much time (in seconds) will it take to rotate the part 180°?
Calculate the potential at point P located a distance z above the center of a charged disk of radius a and surface charge density ρs Coulombs per square meter. Please show all work.
Given a simple series circuit similar to that shown in the given image, determine the load voltage if the source voltage is VS= 1200°V, the load current is IL= 10-30°A, and the cable impedance is ZC= 0.5
Find the electric potential at a general point in space for a charge placed as in Figure 5.14 with the angle between the plates equal to 60°. Assume the intersection between the plates occurs at x = 0, y = 0, the upper plane coincides with the y a..
The current in a certain ac circuit is independent of the frequency at a given voltage. Which combination of elements is most likely to comprise the circuit?
The current in a 20 mH inductor is known to be i = 40 mA, t 0.
Calculate the carrier frequency and corresponding frequency bandwidth for a microwave communication system operating at 10 cm with a microwave bandwidth of 0.2 mm and for an optical communication system operating at 1.35 micrometers with an optical b..
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