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Suppose that a voice signal normally occupies 30 kHz of bandwidth and has a signal-to-noise ratio of 20 dB. Spread-spectrum techniques are used to increase its bandwidth to 2 MHz.
(a) What is the signal-to-noise ratio of the spread signal?
(b) What is the processing gain, in decibels?
A single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately will be and ..
Each of us perceives "ethics" from our own point of reference as to what is or is not ethical. This assignment asks you to consider ethics and whistleblowers. Select one of the behaviors listed below for your discussion posting. Base your posting ..
Much the same as for the project scope, the selection of a system architecture is a critical moment. Once decided and acted upon, a reversal of decision is not easily accomplished. Please respond to all of the following prompts:
Describe the General Tree ADT. Discuss different ways for implementing general trees, and compare them in terms of the efficiency of search operations.
Prove that the classic recursive algorithm for the Tower of Hanoi puzzle (Section 2.4) makes the minimum number of disk moves needed to solve the problem.
To typeset documents that include titles, sections, lists, emphasis, verbatim environments, footnotes, tables of contents, and mathematical equations using LATEX
Intuitively, it seems reasonable to ban all personal use of electronic mail on company computers. Explain why most companies do not do this.
You have recently started your own software design company. You discover that your local DMV is looking to build a system that will allow receptionists to check customers in quickly. They would like for the system to allow customers to self-check-in ..
Define the distance from a to b to be the length of the path withthe shortest length. Note that the distance from a vertex a to itself has distance c(a).
Part a) A computer maintains memory alignment. At what addresses can we store a byte variable? What about a 16-bit variable? Part b) A computer maintains memory alignment. Show how the variables below are stored in the memory if they have to be sto..
Show the fragments produced. If the packet were originally fragmented for this MTU, how many fragments would be produced?
Create a traditional fl ipbook animation. With a note pad bound at the top, draw a series of contour line sketches on the bottom third of each page.
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