In: Electrical Engineering
Discuss Moore’s law and provide examples of how it affects companies.
In: Electrical Engineering
1. ________ is a line coding technique in which a logical “1” or “0” is represented by a voltage transition (e.g., low-to-high or high-to-low voltages) in the middle of the clock cycle.
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a. NRZ |
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b. Manchester |
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c. Bipolar AMI |
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d. B8ZS |
10 points
QUESTION 12
1. By using 4B/5B, you introduce 20% overhead.
True
False
10 points
QUESTION 13
1. Which timing and data synchronization method depends upon the data to recover timing.
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a. Asynchronous |
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b. Synchronous |
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c. Isochronous |
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d. Plesiochronous |
10 points
QUESTION 14
1. Select the correct statement(s) regarding “error correction”.
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a. “error correction” techniques can be classified as either “error detection” or “error correction” |
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b. Forward error correction (FEC) depends upon the addition of redundant data bits to correct bit errors during transmission |
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c. Use of “parity bits” and Cyclic Redundancy Check (CRC) enables “error detection”, but not “error correction” |
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d. All statements are correct |
10 points
QUESTION 15
1. Data compression algorithms are based on which concept(s)?
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a. Removal of redundant data bits (e.g., “white space”) |
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b. Use of data formats/forms/templates so that only data, and not formatting information, is sent |
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c. In text documents, identifying and using common character strings and abbreviations |
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d. All are correct |
10 points
QUESTION 16
1. Which multiplexing methods can be used with analog signals?
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a. FDM |
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b. TDM |
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c. Both FDM and TDM |
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d. Neither FDM nor TDM |
10 points
QUESTION 17
1. Communication systems are designed to address the noise floor; however, additional power “link margins” are built into most systems to enable communications when unpredictable or higher than normal noise is present within the operating environment.
True
False
10 points
In: Electrical Engineering
Matlab code for resonant frequency of coaxial cable
In: Electrical Engineering
(28) A 10-Micro Farat capacitor has been charged to a potential of 150 V. A resistor of 25 Ohms is then connected across the capacitor through a switch. When the switch is closed for ten time constants, the total energy (joules) dissipated by the resistor is?
In: Electrical Engineering
What frame structure mode of operation types are supported by Wi-max? What does Wi-max architecture resemble?
In: Electrical Engineering
I need the vhdl code to display the binary number specified by an 8 input dip switch on a 7 segment display.
In: Electrical Engineering
1) Explain how using a solid electrolyte effects cathode performance and design
2) Select 3 of the 7 properties that are desired for a solid electrolyte. Define the properties and explain why they are desired for a solid electrolyte
In: Electrical Engineering
In: Electrical Engineering
1. write a program for the msp430fr6989 that will light LED1, whenever S1 is pressed. It should turn off whenever S1 is released. 2. Write a program that will make LED1 blink 5 times when S1 is pressed, and then stop.
In: Electrical Engineering
given the sequences
x1 = cos (0.5*pi*n) + cos (0.25*pi*n) + cos (0.125*pi*n); for n = 0
to 7;
x2 = sin (0.5*pi*n) - cos (o.25*pi*n) + sin (0.125*pi*n); for n = 0
to 7;
plot the sequences and comment on the results. increasing the
number of samples to n = 0 to 99, compute the DFT of the two
sequences in MATLAB and plot the magnitude and phase of the
computed DFTs. comment on the results
In: Electrical Engineering
Draw block diagram of the JPEG default encoder for encoding still colour image.
Describe progressive and hierachical mode of JPEG compression standard, respectively
Describe how image artifacts occur in decoded still images
In: Electrical Engineering
Q1. Explain how industrial Ethernet can be incorporated in DCS systems.
Q2. Explain in detail the self-diagnosis concepts of a DCS system.
In: Electrical Engineering
A designer must anticipate and understand the manufacturing processes that will be used to fabricate the created components. Describe differences in the model for a part designed for polyethylene (plastic) injection molding versus one for machined aluminum. Can you anticipate unique model requirements for a part created using hand lay-up resin-transfer molded composite (a process similar to that used for fiberglass)?
In: Electrical Engineering
How would you explain the view of a control chart and what is the basic procedure for creating it?
In: Electrical Engineering