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Assuming a receiver is located 10 km from a 50W transmitter. The carrier frequency is 1900 MHz. Assuming system gains of Gt = 0 dB, Gr = 3 dB, find the power received at the mobile using the two-ray ground reflection model assuming the transmitter antenna height to be 50 m, and the receiving antenna is 1.5 m above the ground with a path loss gradient index n= 4.
What is the resolution of an ADC with a word length of 12-bits and an analogue signal input range of 100 V A sensor produces a maximum analogue output of 5V. What word length is required for an ADC if there is to be a resolution of 10mV
An injection-molding machine can be purchased and installed for $90,000. It is in the seven-year GDS property class and is expected to be kept in service for eight years. It is believed that $10,000 can be obtained when the machine is disposed of ..
The terminals of an electrical device are labeled a and b. If vab = 10V , how much energy is exchanged when a charge of 3 C moves through the device from a to b. Is the energy delivered to the device (i.e., device dissipating or storing energy).
A cylindrical brass sleeve is to be shrink-fitted over a brass shaft whose diameter is 3.216 cm at 0°C. The diameter of the sleeve is 3.203 cm at 0°C. (a) To what temperature must the sleeve be heated before it will slip over the shaft
The boom AC is supported at A by a ball and socket joint and by two cables BDC and CE. Cable BDC is continuous and passes over a pulley at D. Calculate the tension in the cables and the x,y,z components of the reaction at A if the crate has a weig..
two metal sheets form a wedge shaped space. In cyllindrical coordinates, sheet 1 is described by (phi=0,p>0) and sheet 2 is described by (phi=30deg, p>0). A small gap at the z axis prevents the sheets from contacting
Let the random process X(t) be defined as X(t) = A + Bt, where A and B are independent random variables each uniformly distributed in [-1, 1]. a) Find the mean of X(t). b) Find Rx(t1, t2) c) Is X(t) wide-sense stationary
Three positive point charges, each with q = 3 nC, are located at the corners of a triangle in the x-y plane, with one corner at the origin, another at (2 cm, 0, 0), and the third at (0, 2 cm, 0). Find the electric field, E', at the origin.
051 Microprocessor a. Write a sequence of instructions to initialize and run the timer to geneate an 800 baud rate clock. b. what would be the baud rate if the intial value of the itimer was set to 9AH
An SSB generator has a 9 MHz carrier and is used to pass voice frequencies in the 300- to 3300-Hz range. The lower sideband is selected. What is the approximate center frequency of the filter needed to pass the lower sideband
Given that each individual resistor can dissipate up to 1 watt of power before burning up, how much total power in watts ( W ) can the smallest-valued composite resistor dissipate before burning up
Create and test a function called celsius to convert degrees Celsius to degrees Fahrenheit. The equation for converting temperatures in Celsius to Fahrenheit is T_f=9/5 T_c+32 Display the results as a conversion table for six different temperature..
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