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1. The discrete time signal x(n) = 5 sin (Pi n). What is the value of Pi?
2. A system has the following input/output relation: y(n) = x(n) + .5 y(n -1). If the input x(n) is the sinusoidal signal the steady-state output will have the following form: y(n) = A sin(Bn+C). Determine the value of B.
3. If the x(n) shown in the problem represents the sampled version of an analog signal x(t) and the sampling rate was 10000 samples per second, what is the corresponding analog frequency, i.e., if x(t) is expressed as x(t) = sin (Bt), what is the value of B? (The units of B are radians per second.). (Assume that the sampling rate used to obtain x(n) from x(t) was sufficiently fast to represent the true frequency of x(t).).
The Hamming distance between two bit strings of the same length is the number of positions in which the strings have different bit values. For example, the Hamming distance between 1110 and 0101 is 3.
The receiver takes the three received bits and decides which bit was sent by taking the majority vote of the three bits. Find the probability that the receiver makes a decoding error.
Consider the waveform equation: a. What is the frequency of the waveform (in Hz) b. What is the voltage Vx at a time t = 1.5 ms c. What is the voltage Vx at a time t = 3 ms d. What is the voltage Vx at a time t = 4.5 ms
Suppose you are the supplier and can produce 20 units now but cannot start production on the second 20 units for two months. What price would you try to negotiate for the last 20 units?
A painter is standing on a work platform that is 27 feet above ground level. For fall protection, the worker's safety harness D-ring is attached to a 12-foot shock absorbing lanyard that is securely fastened to the structure at a point 40 feet abo..
A aperiodic signal x(t) = 2sinc(2t) is multiplied by a periodic rectangular pulse train s(t) with fundamental frequency F0 = 4 Hz and the fundamental rectangular pulse given by p(t) = 1, -1/80
A 60 Hz, three-phase, transposed transmission line has the following parameters: Z = 13.114+ j52.952, Y = j0.311/1000. The sending-end line-to-line voltage is 161 kV. The total receiving-end load is represented by ZL =143 with an angle
A unipolar 16 bit ADC measures 0 - 10 volts full scale. What is the minimum resolvable voltage What is the percent quantization error What is the percent quantization error if a 1 volt max signal is input
Isc of 3.3A under input power Pinput=1kW/m^2. Assuming diffusion dominated behavior and no parasitic resistance elements, what is the device conversion efficiency at the maximum power point
An input signal of 10V at 0o is applied to a parallel RLC circuit with resistor R = 10 , inductive reactance XL = 20 , and a capacitive reactance XC = 10 . All three components are connected in parallel to the source.
Finding appropriate source for the electrical load, Have four circuits. One takes 9Vdc, two 5Vdc, and last one takes 12Vdc. Have variable transformer for source. How do I calculate or choose the voltage needed to run all four circuits with out blo..
Write an assembly code segment that calls the subroutine New Function if bits 5 and 6 of PORTD equal 1. Write the same code segment in part (a) using structured assembly constructs.
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