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(a) Define and distinguish between binary phase shift keying BPSK and Quadriphase shift keying (QPSK) as means of digital modulation of a carrier. [20%](b) A digital signalling system sends data at 10 bit/sec on a radio carrier. For both BPSK and QPSK sketch the power spectra, indicating all important features in the two different cases:(i) natural or unfiltered transmission(ii) maximally filtered according to the Nyquist signalling criterion. [30%](c) Explain clearly why the output signal to noise for a given carrier power and same bit rate in presence of additive white noise may be exactly the same for QPSK and BPSK. [20%](d) A Low Earth Orbiting (LEO) micro-satellite using either BPSK or QPSK modulation on its down link. The power available to receiver on the ground is P = 15 × 10-16 W in presence of white noise of density kT = 4 × 10-21 W/Hz. Noise factor in the receiver is 6 dB. Data rate is fb = 4800 bits/sec Determine:(i) the Eb/N0 ratio(ii) output signal to noise ratio γ2(iii) estimate the (BER) from the approximate formula
To think through and evaluate a past action in a personal situation involving an ethical dilemma. Narrative description of the situation, including details of issues, people involved, thought processes, and final decision made. You may change the n..
Identify three ways the growing diversity of the health care workforce affects the management of a health care organization today. Discuss what management can do to enhance their own and their employees’ awareness of the growing diversity of the comm..
A good friend in which you explain what you have learned from the course text readings about the relationship between communication and identity.
What information is obtained from the diagnostic test regarding the disease?
Why is it important to be objective when receiving feedback? How might you use feedback to revise your rough draft to make it as effective as possible?
Write a research paper on the “Current changes in long-term care.” Conduct an in-depth literature review of scholarly journals for current changes in long-term care. Choose a particular long-term care facility on which you would want to base your res..
Describe at least two challenges related to multiple relationships that might possibly be encountered during this research and explain why along with at least two strategies that might be employed to mitigate these challenges in psychology researc..
Why you think Terri Schiavo was murdered or simply allowed to die?
Please provide information and/or resources for the following background information on Buddhism.
Write 150 to 200 word paragraphs to describe the significant of purpose, audience, tone, and content in academic writing. Explain your topic sentence.
Illustrate out your underlying ethical system, its primary principles, the sources which helped shape your ethics such as people, institutions, events, and so forth, and the criteria and decision-making factors you used to revise them.
Did Bolsheviks achieve power in October by coup, without much popular support, or were they swept into power by social and economic concerns of the masses.
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