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Q. What do you mean by Companding?
In order to lower the crest factor of a waveform, so as to produce better performance, a process known as companding is used. It works like a compressor which progressively compresses the larger amplitudes of a message when it is passed through a nonlinear network. The inverse operation in the receiver is known as an expandor, when it restores the original message. Figure 15.3.4 illustrates a typical set of input-output characteristics for a formof compandor.One can see that the action of the compressor is to increase the rms-signal value for a given peak magnitude.
Q. A 150-kVA, 2400/240-V, 60-Hz, single-phase transformer has the following parameters: R 1 = 0.2 , R 2 = 0.002 , X 1 = 0.45 , X 2 = 0.0045 , RC = 10 k, and Xm = 1.55 k,
a) Define the blending function reparanetrization. b) Four position vectors P1[0 , 0], P2[1 ,1], P3[2 ,-1] ,P4[3, 0] are provided with tangent vectors P1'[1,1] and P4'[1,1]. Cal
Q. Use of Computers in Power Systems? The control and stability of any electric power system is indeed extremely important, in particular when a system is expected to maintain
Hey Dear i have a hw in MATLAB by applying Finite Element Method there(Electromagnetic) and i need your help with it. please take alook at the question and let me know if you can h
A three-phase transposed line is composed of one conductor per phase with flat horizontal spacing of 11 m as shown in Figure 1(a). The conductors have a diameter of 3.625 cm and a
FET Parameters A basic, low-frequency hybrid-pi model for the MOSFET is displayed in figure. The several parameters are as follows. is the transconductance in siemens
Q. In the non inverting summing amplifier of Figure, let R d = 1k and M = 6. Find R f so that v =
If a television station operates on UHF channel 20 (band 506-512 MHz), determine the station's visual-carrier frequency.
E l e c t r ons and Holes For T> 0 K, there would be some electrons in the otherwise empty conduction band, and some empty states in the otherwise filled valence ban
Q. Show Frequency response using pspice and probe? PSpice is capable of performing transient circuit analysis, for which the request is given by the following statement: • T
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