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Consider the following discrete-time system y[n]=10x[n]cos(0.25Pin+theta); where theta is a constant. Check if the system is a)linear, b)time invariant, c)causal, d)stable?
Fit the data with a cubic equation using polynomial regression. Integrate the cubic equation to determine the distance.
For a "Personal water craft" water is pumped from beneath the craft and discharged out the rear in a 1.25 inch diameter stream at a velocity of 75 ft/sec. Assuming that the craft and rider weigh
A heating section consists of a 10 in diameter duct which houses a 8 kW electric resistance heater. Air enters the heating section at 14.7 psia 40oF, and 35 percent relative humidity at velocity 21 ft
Digital binary data are transmitted with bit rate Rb = 1 Mbps over frequency selective radio channel using BPSK modulation format. The channel impulse response duration is Tc = 1ms. Find the num
A circular shaft is subjected to a torque Ta and a bending moment Ma. Assuming that the diameter of the shaft is d, determine the expressions for the principal stresses and maximum shear stress in ter
The wireless system uses the transmitted scheme of a binary data source, baseband signal generator and a modulator. The baseband signal generator uses the rectangular pulse. The data rate is Rb=1
Characterize the lvt N and P transistors for gm and rds. Range L from 45nm to 450nm (45,90,180,270,450) and W from 120nm to 2000nm (120, 240, 360, 480, 960, 1470, 1950) You should also get an Ids
The 1.8-kg block A slides in the smooth horizontal slot. When the block is given an initial velocity of 18 m/s to the right. Determine the maximum horizontal displacement s of the block. Each of the t
A variable reluctance sensor consists of core, variable air gap and armature.The core steel rod of diameter 1cm and permeability of 100 bent to form semicircle of diameter 4cm.a coil 500 turn is
Air enters a turbine at 40 kN/m2, 900 C, and leaves at 10 kN/m2. The flow is reversible and adiabatic. Inlet velocity is quite low and outlet velocity is 150 m/s through a cross-sectional area of 0.20
Consider the mechanical system shown in Fig. 2.27. Let I denote the moment of inertia of the bar and block about the hinge. It is assumed that the angular displacement θ is very small. An
A motor consumes 1200 hp of electrical power when operating at steady state. The motor receives an input voltage of 560 VDC (DC stands for direct current).
The digital data have to be transmitted using full width pulse over frequency selective channel with the bandwidth 20 MHz using OFDM technique. The propagation conditions allow considering the
The height of the building wall is 12t, and the width is 20ft. A net energy flux of 110 Btu/h*ft^2 from the sun is absorbed in the wall and subsequently dissipated of the surrounding air by convection
At room temperature, intrinsic GaAs appears in figure. With effective mass(direct)=0.065m, effective mass(indirect)=0.3m and mh=0.47m.What is the ratio of the carrier density in X to that in direc
What are effects of the annealing process on the density of these dislocations ? Can you give examples for materials? Determine the relation between density of dislocations and deformation behavi
Write a subroutine named DIVMOD. It divides an integer in R0 by the integer in R1. The quotient will be returned in R2. The remainder will be returned in R3. The subroutine only needs to work co
When the balloon reaches an altitude where is is neutrally buoyant, it transmits information about weather conditions to monitoring stations on the ground. Is this Lagrangian or an Eulerian measuremen
A farmer has two pieces of lumber of lengths "a" and "b" respectively (b a). He decides to build a pen in the shape of a triangle for his chickens. He makes, independently, two cuts, X and Y, on
A 50-mm diameter ball is pressed against a flat surface by a force of 500 N. The material is steel for both (E = 200 GPa, v = 0.3).
In the West, the dramatic tradition began with the ancient .Beowulf and Canterbury Tales have one thing in common: a connection to the of ancient Greece.refers to the body of written works of a langua
The wall of a refigerator is constructed of fiberglass insulation (K=0.035W/moC) sandwiched between two layers of 1mm thick sheet metal(K=15.1W/moC).
Design a logic circuit to produce a high output only if the input, represented by a 4-bit binary number, is greater than twelve or less than three. Implement a minimized circuit using only NAND gat
The two bars are made of polystyrene, which has the stress-strain diagram shown. If the cross-sectional area of bar AB is 950 mm2 and BC is 2500 mm2, determine the largest force P that can b