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Suppose we use the following predictor:
[ 1] [ 2]
ˆ [ ]
2
q q
q
m k m k
m k trunc
If the input signal has values of:
20 38 56 74 92 110 128 146 164 182 200 218 236
After passing through quantizer, reconstructed values of the input signal are:
20 44 56 74 89 105 121 153 161 181 195 212 243
Determine the quantized error signal values for the DPCM encoder (transmitter).
[ 1] [ 2]
ˆ [ ]
2
q q
q
m k m k
m k trunc
If the input signal has values of:
20 38 56 74 92 110 128 146 164 182 200 218 236
After passing through quantizer, reconstructed values of the input signal are:
20 44 56 74 89 105 121 153 161 181 195 212 243
Determine the quantized error signal values for the DPCM encoder (transmitter).
In a satellite radio system, 64 stations of stereo quality make one data stream. For each station, two (left and right) signals of bandwidth 20 kHz are sampled, quantized, and binary-coded into PCM signals. The transmitter must multiplex the data from the 64 stations into a single stream via time multiplexing.
(a). If the maximum acceptable quantization error in sample amplitudes is 0.025% of the peak signal voltage, find the minimum number of bits needed for a uniform quantizer.
(b). If the sampling rate must be 30% higher than the Nyquist rate, find the minimum bit rate of the multiplexed data stream based on the quantizer of part (a).
(a). If the maximum acceptable quantization error in sample amplitudes is 0.025% of the peak signal voltage, find the minimum number of bits needed for a uniform quantizer.
(b). If the sampling rate must be 30% higher than the Nyquist rate, find the minimum bit rate of the multiplexed data stream based on the quantizer of part (a).
What is the formula to get the steam pressure and steam temperature?
I need help with this program in Java
A cancellation error occurs when you are manipulating a very large number with a
very small number. The large number may cancel out the smaller number. For
example, the result of 100000000.0 + 0.000000001 is equal to 100000000.0. To
avoid cancellation errors and obtain more accurate results, carefully select the
order of computation. For example, in computing the following series, you will
obtain more accurate results by computing from right to left rather than from left
to right:
1 + 1/2 + 1/3 + . . . + 1/n
Write a program that compares the results of the summation of the preceding
series, computing from left to right and from right to left with n = 50000.
A cancellation error occurs when you are manipulating a very large number with a
very small number. The large number may cancel out the smaller number. For
example, the result of 100000000.0 + 0.000000001 is equal to 100000000.0. To
avoid cancellation errors and obtain more accurate results, carefully select the
order of computation. For example, in computing the following series, you will
obtain more accurate results by computing from right to left rather than from left
to right:
1 + 1/2 + 1/3 + . . . + 1/n
Write a program that compares the results of the summation of the preceding
series, computing from left to right and from right to left with n = 50000.
Discuss the significant characteristics of a Modem.
Describe the interlacing technique in TV.
Compare the advantages and disadvantages of super heterodyne receiver over TRF receiver.
Explain, how directivity of the antenna output can be increased by using an antenna array.
Determine how many 1.5 V AA zinc chloride batteries will be needed to supply the voltage for a remote control. 9V and will consume 3.2 W of power.
Design a real time system for a child protection system in the house in absence of parents at home to raise an alert to parents in case of any problem.
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#340153 on Dec 2023
#340153 on Dec 2023