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Determine the signal/noise ratio (Eb/No) in input of the receiver for each modulation format presented below if symbol error rate (SER) is required to be 10-^4 (use the coherent detection), for the solution the appropriate graphs can be used instead of formulas.
a) MSK (Minimum Shift Keying) b) 8-MSK c) 16-FSK with fc1 - fc2 =2Rb MHz d) 64-PSKe) 256-QAM
Telephone channels have a bandwidth of about 3.1khz. do the following in excel. A) If a telephone channel signal to noise ratio is 1000, how fast can a telephone channel carry data?
Determine log10 0.2 = log10 18/90, and compare to log10 18 - log10 90.
Assume a CDMA system has only 4 walsh codes. If the mobile is assigned W4 and receives a data stream of 11011010, what is the output?
Radio Systems, In design of radio systems that incorporate wireless networks, considerations must be taken such as user access, transmission direction, switching and signal strength.
Write down the principle of energy conversion and give an example for single and double excited system.
Each start/stop station contains one NO start pushbutton and one NC stop pushbutton.
A differential amplifier stage has collector resistors of 5.1 Kohms each. If Ic1 = 1.35 mA and Ic2 = 1.29 mA, what is the differential output voltage.
A 240kW 500V 1750 r/min separately excited dc generator has an overall efiiciency of 94%. The shunt field resistance is 60 ohms and the rated current is 5A. The I^2 R loss in the armature is 0.023 pu.
Compute the homogeneous solution yh(t). Compute the particular solution yp(t).
What is the thermal noise level of a channel with bandwidth 10kHz carrying 1000. Watts of power at 50o C?
Describe the functionality of the above DFSM using transition tables. Consider that the system starts always from state B. What happens if the system will start from another state - say A?
How do we deal with a L1 cache that is Write-back Write allocate, and the L2 cache, which is a Write-through Write no-allocate?
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