Cdc 3D153 volume 1 ure
Spectrum conservation
Channel allocation
Ease of radiation
Companding
Binary amplitude shift keying, frequency shift keying, and phase shift keying
Pulse amplitude, pulse width, and pulse postion
Amplitude, frequency, phase
Analog, digital, and shift keying
Modulating signal, upper sideband, lower sideband
Carrier, upper sideband, lower sideband
Upper sideband and modulating signal
Carrier and modulating signal
1.01 MHz, 1MHz, 0.99 MHz
1.1 MHz, 1 MHz, 0.9 MHz
1.11 MHz, 1 MHz, 0.99 MHz
1.111 MHz, 1 MHz, 0.999 MHz
5 KHz
10 KHz
15 KHz
20 KHz
Two times the modulated signal
The same as the modulated signal
Determined by the the modulating index
Defined in terms of maximum amount of modulation
Percent of modulation
Modulation index
Bandwidth
Deviation
Overmodulating increases bandwith due to the production of harmonics
Undermodulating increases bandwith due to the production of harmonics
Overmodulating increases bandwith due to the output's increased amplitude
Undermodulating increases bandwith due to the output's decreased amplitude
More total power
A reduction in carrier power
No reduction in carrier power
A reduction in carrier and sideband power
Inversely proportional to the amplitude of the modulating signal
Directly proportional to the amplitude of the modulating signal
Inversely proportional to the phase of the modulating signal
Directly proportional to the phase of the modulating signal
Sidebands containing at least 1 percent of the total transmitted power
Sidebands containing at least 3 percent of the total transmitted power
Sidebands containing at least 10 percent of the total transmitted power
Sidebands containing at least 0.1 percent of the total transmitted power
Deviation divided by frequency of modulation
Deviation times frequency of modulation
Sideband divide by carrier frequency
Sideband times carrier frequency
Phase is shifted at the rate of the modulating signal
Phase is shifted with the phase of the modulating signal
Amplitude is shifted at the rate of the modulating signal
Amplitude is shifted with the phase of the modulating signal
Easier detection
Smaller bit error rate
Better signal-to-noise ratio
Higher data rates within a given bandwith
Discrete amplitudes are assigned to the sampling pulses
A binary code number is assigned to the sample
The quantizer limits the amplitude of the pulses
The analog signal is band-limited
Sampling
Rectifying
Oscillating
Band limiting
Pulse width modulation (PWM)
Pulse postion modulation
Pulse duration modulaton
Pulse amplitude modulation
One character
Block of data
A parity bit
Sychronization (SYNC) bit
Determines parity
Determines transmission rate
Determines whether transmission is in American Stadard code for Information Interchange (ASCII) format
Determines whether transmission is sychronous or asynchronous
Checksum and cyclic redundancy check
Longitundinal redundancy check and checksum
Cyclic redundancy chack and vertical redundancy check
Vertical redundancy check and longitundinal redundancy check
Checksum
Block check character
Cyclic redundancy check
Vertical redundancy check
Error-correcting code
Forward error control
Redundant data transfer
Automatic retransmit on request
Recieving end
In the oscillator
Transmitting end
In the primary buffers
Terminates fiber optics cable
Converts electrical energy into optical energy
Extends the distance and to preserve signal integrity
Accepts optical signals and converts them into electrical signals
Photo transistors
Hybrid photodiodes
Semiconductor laser diodes
Integrated photodiode preamplifiers
Incoherent
Coherent
Ordinary
Invisible
Megawatt
Microwatt
Milliwatt
Kilowatt
Regenerator
Transmitter
Amplifier
Receiver
Dark current
Dispersion
Distortion
Ionization
Emitter rise time
Wavelength of light
Signal-to-noise ratio (SNR)
Emitter modulation speed
Positive intrinsic negative and avalanche photodiode
Light-emitting diode (LED) and avalanche photodiode
LED and semiconductor diodes
Tunnel and zener diodes
Light emitting diode (LED)
Avalanche photodiode
Positive intrinsic negative (PIN) diode
Intergrated photodiode/preamplifier (IDP)
Receiver
Transmitter
Repeater
Patch cords
Repeaters
Regenerators
Optical amplifiers
Receiver
Pigtail
Patch cord
Jumper
Breakout cables
Biconic
Field connector (FC)
Straight tip (ST)
Sub-miniature, type A (SMA)
Biconic
Field (FC)
Subscriber (SC)
Sub-miniature, type A (SMA)
Gamma rays and neutrons
Thermally generated x-rays
Transient radiation effects on elctronics
Neutrons and thermally generated x-rays
Secondary; 1 hertz to 1 gigahertz
Wideband; 1 hertz to 1 gigahertz
Secondary; 10 hertz to 10 gigahertz
Wideband; 10 hertz to 10 gigahertz
Susceptible to the wideband frequency phenomenon
Directly exposed to nuclear radiations from a high-altitude burst
Affected by the azimuthal magnetic fields and time-varying air conductivity
Influenced by the signal fading or waveform distortion caused by the structured plasma field
Secondary
Radiated
Plasma
Source
Local
Source
Radiated
Long-line
Large attenuation of the transmitted signal causing the recieved signal-to-noise ratio (SNR) to fall below unity
Transmitted signal fading caused by multiple path propagation throught the structured plasma field
Layers of charged electrons are trapped and prevent tranmissions throught the layer
Absorption of the transmitted signal through the contaminated area
Blackout
Absorption
Scintillation
Attenuation
Cables should be of unshielded construction
Only ventilation ports are shielded along the walls
Sensitive equipment will be located within the shielded barrier
All power lines supplying the shielded areas does not require filters
To isolate facility from any external electrical electromagnetic propagation
To reduce interference coupling around circuits and around interconnecting lines
To ensure a mechanically strong, low impedance interconnection between metal objects
To eliminate harmful differences of potential between the various telephone cables entering facility
Linear
Alternating current (AC) line
Direct current (DC) line
Power line
Line noise
Internal to the raadio
External to the radio
Radio reciever trouble
Jamming
Spurious responses
Intermodulation
Power line noise
Rusty bolt
Co-channel
Brute force
Spurious rsponses
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.