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1. In JPEG, explain why we need to round the result of division in the quantization step.
2. Explain why the combination of quantization/dequantization steps in JPEG is a lossy process even though we divide each element of the matrix M by the corresponding value in matrix Q when quantizing and multiply it by the same value when dequantizing.
Sketch examples of sets of feasible power vectors. Give one example where the feasible set is non-empty and give one example where the feasible set is empty. For the case where the feasible set is non-empty, identify the component-wise minimum pow..
A ring conductor of radius 1 m is located on the xy-plane, centered at (0, 0, 0), and carries a current of 1 A in the counter-clockwise direction. A line conductor parallel to the y-axis and passing through (1, 0, 1) carries an unknown current I.
X1 and X2 are two independent Gaussian random variables each with mean zero and unit variance.
(1) Can we have Darlington transistor made up of an NPN and a PNP or do the two transistors have to be of the same type (2) Amplifiers has a power gain of 1,000 or 30dB. Where is that power coming from
how to fully size voltage divider vdd-middle point between the triodesaturation diode-gnd consistent of several pmos
Problem: Using Matlab, generate a vector x of length 1,000,000 whose components are N (0, 1) random variables (use random command of Matlab).
The dielectric constant of a doped GaAs can be expressed as Er=11.56+j0.001 at wavelength lambda 1550nm.Evaluate the propagation loss(in dB/Cm) due to absorption when light(lamda = 1550nm) propagates in the GaAs.
A 1000 MW(e) nuclear power plant has a thermal conversion efficiency of 33%. How much thermal power is rejected through the condenser to cooling water?
A Three phase thyristor converter, VLL=460V (rms) at 60 Hz, and Ls=5mH, the firing angle "a " is 30 degrees electrical, the converter is consuming 5Kw, the DC current is assumed to be constant.
Ethree-phase, 5 hp, 208 V, 60 Hz induction motor runs at 1746 rpm when it delivers rated output power. (a) Determine the number of poles of the machine. (b) Determine the slip at full load. (c) Determine the frequency of the rotor current.
power mosfet breakdown voltage 800v must conduct 10A when on with a maximum on state voltage 4v.If the current density in the mosfet must be limited to 200A/cm,estimate the conduxting area
How do you draw the standard form simulation diagram given a higher-order differential equation; and how to make adjustments if the output must be put in the state equation form, y=Cx+Du.
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