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Determine whether the following discrete-time systems are causal or noncausal, have memory or are memoryless, are linear or nonlinear, are time invariant or time varying. In the following parts, x[n
State the full name of the section of SOLAS that sets out the minimum standards for the training and competence of crew members and describe how the surveyor would go about checking that a vessel ha
A linear time-invariant continuous-time system responds to the following inputs with the corresponding outputs:Ifx(t) = u(t), then y(t) = 2(1- e^-t)u(t) and if x(t) = cost,then y(t) = 1.414 cos(t -
A modulating signal consists of two sinusoidal components: 1 kHz and 3 kHz. The transmitter carrier frequency is 80 kHz. Assume in a SSB-USB modulated signal that the inserted carrier at the receive
A modulating signal consists of two sinusoidal components: 1 kHz and 3 kHz. The transmitter carrier frequency is 80 kHz. If the signal is applied to a SSB-LSB transmitter, indicate the output freque
write a program to compute the power loss in a transmission line with a resistance of .05ohms/mile. compute the power loss if 500kw of power is transmitted from a power generating station to cities
Find Max Level Airspeed at 95% RPM and find Max Range Airspeed (VBR) and Max Endurance Airspeed (VBE) - find Max Specific Range and Max Range Airspeed
where H is an A/M and B is in T. If a magnetic circuit contains a 12 cm length of material X, as well asa 0.25 mm air gap, assume a uniform cross section of 2.5 cm2 and find the total mmf (Vm) to pr
Design a wide flange, simply supported beam below so that the stress due to bending does not exceed that allowed by AISC for A36 steel and calculate the shear stress where the parts join as indicated
A modulating signal consists of two sinusoidal components: 1 kHz and 3 kHz. The transmitter carrier frequency is 80 kHz. If the signal is applied to an ideal DSB transmitter, indicate the output fre
Reevaluate the separation using the same total amount of solvent in a counter-current cascade. How much improvement in separation is produced?
Determine the Thevenin equivalent of the network shown on the left and determine the current - determine the complex power generated by the (ideal) 400V source.
The total bandwidth allocated is 200MHz . The signal-to-interference-ration required is 18 dB. Propagation path loss exponent n = 3 and omnidirectional antennas for the base stations are used. ?1)
The dielectric constant of a solid is 5. It is placed between the plates of a capacitor which are 1mm apart and which are charged to 100 V. Calculate the capacitance per square metre of this device
A sinusoidal signal is riding on a 2 v DC offset (in other words, the average value of the total signal is 2 v). Design a circuit to remove the DC offset and amplify the sinusoidal signal (without pha
If 3x10^20 electrons go through the cross section in the z-direction in 4 seconds, and simultaneously, 1.5x10^20 protons go through the same cross section in the negative z-direction, what is the ma
Calculate the mass flow through the boundary layer at a distance of 5 cm from the leading edge of the plate. How much mass flows into the boundary layer in the region between 2.5 and 5 cm from the lea
a. What are the cyclic frequency (in Hz) and period of this signal b. Express this signal in the Quadrature and Sine/Angle forms. c. Express this signal in terms of complex exponentials (hint - use Eu
To understand this, imagine we paint one of the blades of an airplane propeller so that we can identify it from the other blades. We will then turn the propeller at 33 rotations per second, in a clo
Be sure to specify three things for each component: its digital frequency (a number between 0 and 0.5), its amplitude (in digital numbers, peak-to-peak), and its phase relative to the original analo
When the temperature is held constant, the digital display of thermometer A does not change, but the display of thermometer B randomly toggles between three to four adjacent readings (i.e., +/- 2 de
Specify how many bits are needed to appropriately digitize each of the following signals. Choose from: 6 bits, 8 bits, 10 bits, 12 bits, 14 bits, or 16 bits. a. A signal where the maximum amplitude
Design a simple ALU (Arithmetic Logic Unit) which has three 4-bit inputs x = x3x2x1x0, y=y3y2y1y0 and z= z3z2z1z0, two control signals A and B and output S. The ALU should support the operations des
A certain amplifier has pole frequencies of f1=f2=f3=50MHz. The DC open-loop gain is 10^5. Find the pole frequency fc for the fourth pole so that the phase margin is 30 degrees for beta = 0.1 Also,