Gold forms a substitutional solid solution with silver. Compute Gold forms a substitutional solid solution with silver. Compute the number of gold atoms per cubic centimeter for a silver-gold alloy that contains 10 wt% Au and 90 wt% Ag. The densities of pure gold and silver are 19.32 and 10.49 g/cm3, respectively.
Germanium to which 5 ( 1022 m-3 Sb atoms have Germanium to which 5 ( 1022 m-3 Sb atoms have been added is an extrinsic semiconductor at room temperature, and virtually all the Sb atoms may be thought of as being ionized (i.e., one charge carrier exists for each Sb atom). (a) Is this material […]
Give the approximate temperature at which it is desirable to Give the approximate temperature at which it is desirable to heat each of the following iron窶田arbon alloys during a full anneal heat treatment: (a) 0.25 wt% C, (b) 0.45 wt% C, (c) 0.85 wt% C, and (d) 1.10 wt% C.
A PSK signal is applied to a correlator supplied with a phase A PSK signal is applied to a correlator supplied with a phase reference that lies within Ď radians of the exact carrier phase. Determine the effect of the phase error Ď on the average probability of error of the system.
1) Discuss why does the accounting profession make a distinction between internally 1) Discuss why does the accounting profession make a distinction between internally created intangibles and purchased intangibles. 2) Discuss the factors to be considered in estimating the useful life of an intangible asset. 3) What is goodwill? Discuss. And, what is negative goodwill. […]
A pseudo-noise (PN) sequence is generated using a feedback shift A pseudo-noise (PN) sequence is generated using a feedback shift register of length m = 4. The chip rate is 107 chips per second. Find the following parameters: (a) PN sequence length. (b) Chop duration of the PN sequence. (c) PN sequence period.
A randomly generated data stream consists of equiprobable binary A randomly generated data stream consists of equiprobable binary symbols 0 and 1. It is encoded into a polar nonreturn-to-zero waveform with each binary symbol being defined as follows: (a) Sketch the waveform so generated, assuming that the data stream is 00101110. (b) Derive an expression […]
A random process X (t) is defined by X (t) = A cos (2π f c A random process X (t) is defined by X (t) = A cos (2p f c t), where A is a Gaussian-distributed random variable of zero means variance s2A. This random process is applied to an ideal integrator, producing […]
A random telegraph signal X (t), characterized by the autocorrel A random telegraph signal X (t), characterized by the autocorrelation function RX (t) = exp (-2v |t |) Where v is a constant, is applied to the low-pass RC filter of Figure. Determine the power spectral density and autocorrelation function of the random process at […]
A random process Y (t) consists of DC components of √3/2 v A random process Y (t) consists of DC components of v3/2 volts, a periodic component g (t), and a random component X (t). The autocorrelation function of Y (t) is shown in Figure. (a) What is the average power of the periodic components […]