The '3D152 Volume 1 UREs' quiz assesses knowledge in analog and digital modulation techniques, including PCM, CVSD, and SSBSC. It is designed for Air Force communications personnel to understand signal conversion and bandwidth requirements.
Carrier wave.
Pure sine wave.
Resultant wave.
Composite wave.
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Synchronous, asynchronous, and isochronous.
Isochronous, asynchronous, and bisynchronous.
Nonsynchronous, bisynchronous, and synchronous.
Asynchronous, bisynchronous, and nonsynchronous.
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Delta modulation (DM).
Digital modulation.
Analog modulation.
Adaptive modulation.
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Transmitted intelligence.
Intensity of speech.
Composite waves.
Splatter.
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Channel.
Trunk.
Time slot.
Port.
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Latency.
Phase delay.
Propagation constant.
Phase delay distortion.
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Properly seat the test lead into the current input terminal jack.
Disconnect the power from the circuit being tested.
Place the meter in the frequency mode.
Set the range for maximum reading.
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Carrier presence is required to detect changes.
It requires a less complex receiver than a basic phase shift keying (PSK) signal.
It requires a more complex receiver than a basic PSK signal.
The demodulator needs to detect changes in absolute phase values.
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Frequency division.
Binary division.
Pulse division.
Time division.
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Bits.
Bytes.
Codes.
Blocks.
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Non-return-to-zero (NRZ) level.
Non-return-to-zero mark.
Non-return-to-zero space.
Return-to-zero.
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When dial tone is present.
On-hook condition.
Off-hook condition.
During the ringback signal.
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50Ω, 75Ω, and 125Ω.
75Ω and 125Ω.
50Ω and 125Ω.
50Ω and 75Ω.
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Filtering.
Detection.
Compression.
Companding.
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Transmitter.
Emitter.
Detector.
Receiver.
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One wavelength.
Two wavelengths.
Three wavelengths.
Four wavelengths.
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Air Force Doctrine Document 2–5.1.
Air Force Instruction 10–101.
Air Force Policy Memorandum 2–1.
Air Force Manual 2–5.1.
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Emitter and detector.
Emitter and receiver.
Transmitter and detector generator.
Transmitter and receiver.
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2 decibels (dB) of improvement.
4 dB of improvement.
6 dB of improvement.
8 dB of improvement.
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Baud.
Baudot.
Sense interface.
Bits per second.
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8.
12.
24.
48.
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Electronic combat.
Electronic protection.
Electronic attack.
Electronic warfare support.
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Delta modulation (DM).
Analog modulation.
Digital modulation.
Adaptive modulation.
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Record warning.
Fast busy signal.
Loop-start.
E and M.
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Reflection.
Backscatter.
Scatter coefficient.
Reflection coefficient.
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3.
4.
5.
8.
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Low speed and high speed.
High speed and EBCDIC.
CCITT and low speed.
EBCDIC and CCITT.
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Cyclic redundancy check.
Bipolar violation.
Bit slip.
Frame.
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Wavelengths or lambdas.
Wavelengths or gammas.
Frequencies or lambdas.
Frequencies or gammas.
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Non-return-to-zero (NRZ) level.
Non-return-to-zero mark.
Non-return-to-zero space.
Return-to-zero level.
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Electronic combat.
Electronic protection.
Electronic attack.
Electronic warfare support.
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Delta.
Frequency shift keying (FSK).
Pulse-amplitude modulation (PAM).
Binary-phase shift keying or bi-phase shift keying (BPSK).
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Bit robbing.
Bit stuffing.
Frame correction.
Frame enhancement.
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The information is transmitted in three different voltage levels.
A logic one is transmitted as positive voltage if the previous logic one was negative.
The level always returns to zero for 50 percent of the bit cycle after every transition.
Bipolar violations are intentionally inserted into a data signal to break up long strings of zeros.
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Voltage terminal.
Common terminal.
Voltage and current terminal.
Common and current terminal.
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Range.
Frequency.
Display hold.
Minimum/maximum (MIN/MAX).
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Measure the individual interface signals.
Change the voltage of individual interface signals.
Allow the interruption of the individual interface conductors.
Allow the cross-patching of the individual interface conductors.
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Four times.
Double.
Half.
The same.
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Amplitude.
Frequency.
Audio.
Radar.
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Pulse dialing.
Tone dialing.
Digit dialing.
Address dialing.
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Associated mode.
Nonassociated mode.
Quasi-associated mode.
Multi-associated mode.
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Anti-radiation missiles and directed energy weapons.
Intelligence platforms and noise jamming systems.
Radar warning receivers and intelligence systems.
Directed energy weapons and radar warning receivers.
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Phase.
Amplitude.
Frequency.
Amplitude and frequency.
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Modulation index.
Rate of phase shift.
Frequency of the modulating signal.
Amplitude of the modulating signal.
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Encoding.
Companding.
Uniform quantizing.
Nonuniform quantizing.
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Timing pulses are transmitted within the signal stream.
Start and stop pulses control data transmission.
System timing is not of critical importance.
All data bits are the same length in time.
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Dial tone.
Ringback signal.
Off-hook alert.
Call waiting.
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Dial tone.
Busy signal.
Off-hook alert.
Call waiting.
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