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Digital Speech and Video Compression1. Name two techniques that are used to compress digital speech, and the resulting compressed speech bit rates.
2. Name two techniques used to compress digital video. Why is compression particularly important for the transmission of digital video signals?
3. What is the modulation used to transmit HDTV signals over the air in US terrestrial broadcasting? What is the transmitted bit rate and the compression method?
Discrete sequence plot in Matlab, Consider the following formula, x[n] = x[n-1] + x[n-3] n>=3, find the rest of the sequence for 0
You have to figure out which one using cross or auto correlation.
Current Pulses over a Twisted Pair Telephone Line, A twisted pair telephone line has a constant attenuation between 0 Hz and 3300 Hz and linear phase shift with frequency
Using 4-bit numbers to save space, multiply 3ten x 4ten in binary.
Transmit this data wirelessly to a base station for storage. How much bandwidth would you need.
A radio receiver for the HF band covers the frequency range 2 MHz to 30 MHz. The first IF frequency is 3.0 MHz and the local oscillator is above the received signal frequency.
Can you write a part of project which is about developing a schedule of power substation on primavera (P6), focusing on the Changes that will happen based on the following:
A signal is modulated by BPSK and transmitted over an AWGN channel. At the receiver, the bit error rate performance is 0.001
Laplace transform of a pulse, Consider computing the Laplace transform of a pulse: use the integral formula to find P(s)
Control Systems and Laplace Transformations, What is the step response of a system whose transfer function has a zero at -1, a pole at -2 and a gain factor of 2?
Modulating Radio Frequency Carriers to Carry Digital Data, Digital radio transmission requires the use of a carrier wave which is modulated by the digital data.
Determine a suitable sampling frequency. Design a notch filter to remove the 50Hz component, paying particular attention to any assumptions you have made in the design.
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