WorksheetsMODUL 2 ENG
Total questions: 10
Worksheet time: 5mins
The following are the objectives of practicum module 3, except...
Know the working principles of PCM, including the process of sampling, quantization, ADC coding, and DAC.
Know the process on the PCM transmitter and receiver.
Know the difference between analog communication and digital
communication.
Observe the signal formation process at each level and be able to understand and explain the process.
Choose an explanation for flat-top sampling!
Take the amplitude value of an info signal at an interval of time, and the amplitude value will later follow the info signal waveform.
Take the amplitude at certain intervals as well, but the amplitude value is held after reaching a certain amplitude value of an info signal.
They are withholding at a certain voltage level so that the sampled signal has a constant amplitude value.
A technique of processing analog signals into digital signals through pulse codes.
Choose an explanation for the Nyquist theorem!
The sampling frequency must be higher than 2x the sampled frequency.
The process of combining two or more sampling and holding output signals in the form of PAM signals through one digital signal channel with the serial flow.
Multiplexing technique that combines several signals based on their frequency.
The sampling frequency must be higher than 3x the sampling frequency.
The function of the D/A converter is?
To restore baseband signals with the best possible SNR (Signal to Noise Ratio) and free from ISI (Inter Symbol Interference).
To increase the efficiency of bandwidth usage/transmission line capacity by sharing universal access.
To convert digital (discrete) signals to analog (continuous) signals
To digital output logic from the sampled value.
Choose the correct explanation about PCM!
Is a technique to process an analog signal into a digital signal through pulse codes
Is the process of taking samples or samples of the analog signal magnitude at a certain point in an orderly and sequential manner
Is a containment at a particular voltage level so that the sampling signal has a constant amplitude value
Is a process to restore baseband signals with the best possible SNR (Signal to Noise Ratio) and free from ISI (Inter Symbol Interference)
Choose an image that describes natural sampling!
Choose the correct statement about timing and PCM synchronization!
Signals go through the filter for the reconstruction process to retrieve the information signal.
There is time information from the transmitter in detail. For example, the blocks required for a bit and frame synchronization.
To restore baseband signals with the best possible SNR (Signal to Noise Ratio) and free from ISI (Inter Symbol Interference).
To retrieve information from the transmitted data stream, the transmitter and receiver must be perfectly synchronized.
Demultiplexing is...
A technique to process an analog signal into a digital signal through pulse codes.
The technique of combining several signals simultaneously on a transmission line.
Separation of the combined signals on the receiving side
A technique where each communicating channel uses different data codes can be simultaneously at one time
Choose correctly regarding natural sampling!
Is a containment at a particular voltage level so that the sampling signal has a constant amplitude value
Take the amplitude value of an info signal at an interval of time, and the amplitude value will later follow the info signal waveform
Adjust the amplitude at certain intervals too, but the amplitude value after reaching a certain amplitude value of an info signal
The process of combining two or more signals sampling and holding output in the form of a PAM signal through a digital signal channel with the serial flow.
Which one is the explanation of midrate and midrise quantization!
The signal is through the filter for the reorder process (reconstruction) to retrieve the signal information.
There is a separation of several signals from one serial stream into several parallel streams corresponding to the channel.
The process to restore baseband signals with the best possible SNR (Signal to Noise Ratio) and free from ISI (Inter Symbol Interference).
The process of taking samples or samples of the analog signal magnitude at a certain point in an orderly and sequential manner.
