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Matrix organizations first sprang up in businesses that worked on scientific and engineering projects for narrow customer groups. Examples include Fluor, which built oil refineries in Saudi Arabia, and TRW, which supplied aerospace equipment to NASA. What do you suppose the dimensions of the matrix would be in such firms? Why would these companies develop such a complex structure?
A laser beam with 2 mW power is coupled into an optical fiber link spanning 170 km. The optical fiber exhibits loss of 0.5 dB/km. Estimate the power detectable at the output end of the fiber.
Sketch the per-phase, per-unit equivalent circuit of the power system in Figure. (Treat each load on the systems as a resistance in series with a reactance.) Note that you do not have enough information to actually calculate the values of compon..
a series parallel circuit with a 3V dc power source connected to 3 resistors. R1 and R2 are in series with the voltage source and R3 is in parallel with R2. It is given that 4amps is flowing through R1 and 2amps is flowing through R2.
Suppose that independent missiles A, B, C have probabilities .4, .5, and .6 of hitting the enemy's headquarters, respectively. Assume that the enemy's headquarters will be destroyed with a probability .3,
compute the power loss in a transmission line with a resistance of 0.05 ohms/mile. Compute the power loss if 500kW of power is transmitted from a power generating station to cities at distances of 20,30,40....100 miles at 100v and 200v.
A digital communication link carries binary-coded words representing samples of an input signal xa(t) = 3 cos 600pt + 2 cos 1800p.The link is operated at 10,000 bits/s and each input sample is quantized into 1024 different voltage levels.
For the circuit of Figure the following parameters are given with Vcc = 18 volts DC: Rs = 0 ohm r pi = 1000 ohm Rb = 1750 ohms C1 = 10 microfarads gm = 50mS RL = 100 ohms Ce = 0.1 microfarads Re = 135 ohms C2 may be considered very large
a. Sketch the spectrum of the original signal and the sampled signal from 0 kHz and 25 kHz. b. Sketch the recovered analog signal spectrum if an ideal lowpass filter with a cutoff frequency of 4 kHz is used to filter the sampled signal. X(f) 10k 2..
What is the value of the capacitance that will give a unity power factor when connected to the load?
Get digital still images and video sequences from the Internet, as needed. You can use color and/or gray-scale images. 2. Implement intra-frame DPCM . Start with a linear quantizer in the initial implementation.
Determine the armature current buildup as a function of time, if the generator voltage constant Kg = 50 V per field ampere at rated speed.
The schematic shows a scheme for coupling and amplifying ahigh-frequency pulse signal. The circuit utilizes twon-channel MOFETs whose bias details are not shown and a 50 ohmcoaxial cable connecting the drain of Q1 to the source of Q2.
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