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Any causal signal x(t) having a Laplace transform with poles in the open left s plane (i.e. not including the jO axis)has, as we saw before, a region of convergence that includes the jO axis, and as such its Fourier transform can be found from its Laplace transform. Consider the following signals:X1(t) = e^-2t[u(t)]X2(t) = r(t)X3(t) = x1(t)x2(t)Determine the Laplace transform of the above signals (use property of Laplace transform) indicating the corresponding region of convergence.
During the k^th sampling interval of a CVSD modulation scheme, the current value of input x(k) is 1000, the previous value of approximating staircase function x f(k-1) is 990, and the current value of ä(k-1) is 30.
When placed in series a coil and capacitor resonate at a fequency of 2251Hz and when placed in parallel they resonate at a frequency of 2228Hz. At parallel resonance it is also found that a current of 0.005A flows from the supply when the supply i..
The phasor voltage Vab in the circuit is 480 /0° V (rms) when no external load is connected to terminals a,b. When a load having an impedance of 100 j0 Ω is connected across a,b, the value of Vab is 252.9822 /-18.3449° V (rms).
Single-phase distribution line runs parallel to a ground line and is separated by 2m. During a short circuit, the distribution line experiences a current of 10,000A rms. Determine the magnitude of the separating force acting on a 1m section of the..
Wavelength and Frequency, The downstream information (from the network to the customer) is transmitted at a wavelength of 1550 nanometers and the upstream information
Consider the following MATLAB code: a = 0:(1/9000):4; % vector of time samples b = 100*a; % instantaneous frequency x = sin(4*pi*b.*a); (a) How many samples are in vector a, b, and x, respectively
What is the minimum output voltage of the Ratio detector. When the maximum discriminator output voltage is fed into an audio amplifier, the amplifier drives 100 Watts into an 8 ohm load. What is the dB gain of the audio amplifier.
A 1500 hp phase ac motor load has a power factor of 0.7. What capacitor (in Farads) is required to correct the power factor to 0.90 if the line voltage is 2400 volts The capacitor bank is to be delta connected.
A BJT is operating at a collector current of 1mA ,when Vce=1v and it has early voltage of 75v.If Vce is increased to 11v,find collector current
Using the message signal m(t) = 1/(1+t^2) , determine and sketch the modulated signals for the following methods of modulation: (c) SSB modulation with only the upper sideband transmitted. (d) SSB modulation with only the lower sideband transmitted.
PAL12H6 (12 inputs, 6 outputs, AND-OR structure, two output OR's have 4 AND gate inputs and four output OR's have 2 AND gate inputs). NOTE: you need to show only appropriate product terms used for PAL implementation
If the cutoff between "insecure" and "secure" were x amount of time, how long would a secure password have to be. State and justify your assumptions regarding the character set from which the password is selected and the amount of time required to..
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