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(1) A binary PCM signaling uses on-off signaling to transmit symbols 1 and 0 (symbol 1 is represented by a rectangular pulse of amplitude A and duration Tb; symbol 0 is represented by no pulse transmission for period Tb). The additive noise at the receiver input is white and Gaussian with zero mean and PSD of N0/2. Find an expression for the average probability of error with matched filtering assuming symbol 1 and 0 occur with equal probability.
(2) An analog signal was sampled, quantized and encoded into a binary PCM wave. The sampling frequency was 10 kHz and the number of representation levels was 256. The PCM signal streamed over a baseband channel. How many digits are used to represent each sample? What is the bit rate? How long does it take to transmit one sample? What is the minimum required transmission bandwidth?
(3) The combination of the transmitter and channel produces a pulse with its amplitude spectrum defined by G(f)H(f) = e-|f|Tb. Determine the spectrum of the of the ideal receiver filter that would eliminate intersymbol interference. Assume ideal Nyquist channel.
(4) In a single parity-check code, a single parity bit is appended to a block of k message bits (m0, m1, mk-1). This single parity bit, b1, is chosen so that the codeword satisfies the even parity rule: m0 + m1 +.......+ mk-1 + b0 = 0 (mod 2). For k = 3, set up the 2k possible codewords in the code defined by this rule.
Comment on the design theory of the Dutch ABC group. The comment is approx three pages long and written in APA style with refrences.
There is a new small entrepreneurial solar power business in town. In today’s competitive environment, partners are struggling with a series of management and environmental issues. Sell to businesses such as real estate and contractual company
Consider an experiment where you produce waves on a string by moving one end up and down with your hand. What is the relationship between the frequency of your hand (ie. the number of times per second you move your hand up and down) and the freque..
Warrior Wear Limited, a defense contractor, claims that it has a method of producing its flak jackets (“FJs”) that makes them puncture-proof regardless of the caliber of bullet or the power of the weapon used. The FJs account for eighty percent of Wa..
Prepare a 10-15 page Research paper on "Unrealistic Deadlines for Project Completion". In review of all of the aspects of Project Management, what one area do you believe will be your biggest challenge? Explain
A put option was written at a premium of Rs. 400. The current market price of the stock is Rs. 38 and the exercise price of the contract is Rs. 35. After a period of two months the price of the stock is Rs. 30. The amount of the profit made by the..
How does the concept of escalation of commitment factor into decisions of whether to terminate projects. Remember to cite your sources and list your references.
Discuss the reasons for this state of affairs, identifying several possible IT solutions and their business benefits that could help small businesses be more successful The reason why small businesses have been slower
Explain each of the following Labor Laws. Be specific and define what each one mandated and its importance toward labor/unions or to the employers. An understanding of the laws is required.
Design a m-seguence PN generator using 3 shift registers. Show design procedure circuit and PN sequence and find 16 Walsh codes for modulating (encoding) a 4-bit data packet
does the speedwire wiring system still exist? i see many references to it at the course hero site but none in bicc
Any causal signal x(t) having a Laplace transform with poles in the open-left s-plane (i.e., not including the j axis) has, as we saw before, a region of convergence that includes the j axis, and as such its Fourier transform can be found from its..
A semiconductor, in thermal equilibrium, has a hole concentration of p0 = 2x1016 cm-3. The minority carrier life time = 3x10-7 s. (Assume, ni = 1010 cm-3) (a) Determine the thermal equilibrium recombination rate of electrons.
A force of 4.5 x 102 N acts on a charge of 5 microcoulombs in an electric field. Calculate the magnitude of the electric field intensity in newtons/coulomb.
Consider a DC series motordesigned to operate with VS = 200 V. Suppose the rotorresistance is 0.40 ohms. and the field coil resistance is0.10 ohms . An RPM measurement reveals that when the line currentis 35 A when the motor is spinning at n = 500..
1) Ohm's. Law is considered one of the key foundation in electronics . Why (2) Why do we have to build and test circuits when we have simulation tools
A coaxial transmission line consists of two concentric cylinders.The inner cylinder has radius r1 and the outer cylinder has radius r2. The inner cylinder has a surfacecharge density ρS C.m-2, that is uniformly distributed along its length.
The signal x(t) = 20*sinc2(400t) is input to a ring moodulator. Sketch the spectrum of vout and find the range of values of fc that can be used to transmit this signal.
Consider a portable 20cm2 fuel cell operating at 0.75V, 0.6 A/cm2. Suppose the stoichiometry of the anode is 2.0 and that of the cathode is 2.3. The fuel cell is expected to run for 3 days before being recharged.
How many voice channels are carried by a E1 transmission given 8 kHz sampling and 8 bit words? Why is an end of frame marker always required in a digital telephony system?
four determinations of the pH of a certain solution are 7.90, 7.94, 7.91, and 7.93. Assuming normallity of determinations with mean mhu, standard deviation sigma, find: A. 99% confidence interval for mhu "u"
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