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See searches and references containing PROPAGATION DELAY!PROPAGATION DELAY
Time for a signal or other quantity to reach its destination
Propagation delay is the time duration taken for a signal to reach its destination, for example in the electromagnetic field, a wire, gas, fluid or solid
Propagation_delay
Time it takes a transmitter to send message
bit/s) ≈ 122 μs The transmission time should not be confused with the propagation delay, which is the time it takes for the first bit to travel from the sender
Transmission_time
Time constant of an RC circuit
t+\tau } . The signal delay of a wire or other circuit, measured as group delay or phase delay or the effective propagation delay of a digital transition
RC_time_constant
that uses two delays that naturally occur in signal transmission to determine the range between two stations: Signal propagation delay between two wireless
Symmetrical double-sided two-way ranging
Symmetrical_double-sided_two-way_ranging
Time required for data to traverse a network
spends in routing queues Transmission delay – time it takes to push the packet's bits onto the link Propagation delay – time for a signal to propagate through
Network_delay
Measure of electromagnetic transmission
velocity of propagation is 0.77 c. IEEE 802.3 clause 15.3.1.3 The propagation delay shall be ≤5 μs/km. (This is equivalent to a velocity of propagation of 0
Velocity_factor
Electronic circuit with two stable states
value for a flip-flop is the clock-to-output delay (common symbol in data sheets: tCO) or propagation delay (tP), which is the time a flip-flop takes to
Flip-flop_(electronics)
Descriptive quantity of the ionosphere
radio propagation effect is proportional to TEC and inversely proportional to the radio frequency f. The ionospheric phase delay compared to propagation in
Total_electron_content
Cable testing regimen
mis-wiring. The propagation delay test tests for the time it takes for the signal to be sent from one end and received by the other end. The delay skew test
Copper_cable_certification
Time required to receive a response to a query across a communication system
acknowledgement of that signal having been received. This time delay includes propagation times for the paths between the two communication endpoints. In
Round-trip_delay
Delays experienced through a linear time-invariant system
In signal processing, group delay and phase delay are functions that describe in different ways the delay times experienced by a signal's various sinusoidal
Group_delay_and_phase_delay
Combinational digital circuit
applied to all of the ALU inputs and, when enough time (known as the "propagation delay") has passed for the signals to propagate through the ALU circuitry
Arithmetic_logic_unit
Time delay in networking caused by the data rate of a link
store-and-forward delay at the input to each link along the packet's route. End-to-end delay Processing delay Queuing delay Propagation delay Network delay Round-trip
Transmission_delay
Cable or other structure for carrying radio waves
to a halving of the power. Propagation delay is often specified in units of nanoseconds per metre. While propagation delay usually depends on the frequency
Transmission_line
Rate at which the phase of the wave propagates in space
the medium. Cherenkov radiation Dispersion (optics) Group velocity Propagation delay Shear wave splitting Wave Velocity factor Planck constant Speed of
Phase_velocity
Type of radio antenna
of the radiation field of a dipole antenna. Its phase includes the propagation delay (relating to the current) and an additional 90 degrees lagging phase
Yagi–Uda_antenna
Logic constructed only from NAND gates
connecting four NAND gates as shown below. This construction entails a propagation delay three times that of a single NAND gate. Alternatively, an XOR gate
NAND_logic
Function of propagation delay and Doppler frequency
processing, an ambiguity function is a two-dimensional function of propagation delay τ {\displaystyle \tau } and Doppler frequency f {\displaystyle f}
Ambiguity_function
Behaviour of travelling radio waves
Radio propagation is the behavior of radio waves as they travel, or are propagated, from one point to another in vacuum, or into various parts of the
Radio_propagation
Propagation delay of EM radiation (light)
emission time, which is a wave observation time subtracted by the wave propagation delay between the emission and the observation, since it takes time for
Retarded_time
Timing correction in the GSM/LTE/5G NR cellular standards
whose value depends on the specific cellular technology. Because propagation delays cannot be estimated perfectly, communication systems include guard
Timing_advance
Network that allows computers to share resources and communicate with each other
Queuing delay – time the packet spends in routing queues Transmission delay – time it takes to push the packet's bits onto the link Propagation delay – time
Computer_network
Electronic device
size of the physical medium used to delay the signal and the propagation speed of impulses in the medium. Analog delay lines are applied in many types of
Analog_delay_line
US military computer network standard
160 ns propagation delay, which is equal to the average rise time of a 1553B signal. According to MIL-HDBK-1553A, when a signal's propagation delay time
MIL-STD-1553
Approximation used in electrical circuits
and the 50% output propagation delay is given by ln ( 2 ) ⋅ T D {\displaystyle \ln(2)\cdot T_{D}} . Elmore delay is commonly divided into two
Elmore_delay
Array of logic gates that are reprogrammable
errors. Finally, the design is laid out in the FPGA at which point propagation delay values can be back-annotated onto the netlist, and the simulation
Field-programmable_gate_array
Minimum time for an input change to change output in digital logic
contamination delay. Well-balanced circuits will have similar speeds for all paths through a combinational stage, so the minimum propagation time is close
Contamination_delay
Device performing a Boolean function
number called the "fan-out limit". Also, there is always a delay, called the "propagation delay", from a change in input of a gate to the corresponding change
Logic_gate
Equations of electromagnetism
distributions of electric charge and current. These equations account for the propagation delay of the fields due to the finite speed of light, and provide the general
Jefimenko's_equations
Digital circuit that produces sums from inputs
case) delay is 3 (from input to C o u t {\displaystyle C_{out}} of first adder) + 31 × 2 (for carry propagation in latter adders) = 65 gate delays. The
Adder_(electronics)
Radio navigation technology used in aviation
(distance) between an aircraft and a ground station by timing the propagation delay of radio signals in the frequency band between 960 and 1215 megahertz
Distance_measuring_equipment
Type of digital circuit
increased. In circuits where this method can be applied, it reduces the propagation delay through the chain of stages, increasing both the frequency of the
Ring_oscillator
Topics referred to by the same term
Delay line may refer to: Propagation delay, the length of time taken for something to reach its destination Analog delay line, used to delay a signal Bi-directional
Delay_line
Type of computer memory
Note that due to the length of the bit-lines there is a fairly long propagation delay for the charge to be transferred back to the cell's capacitor. This
Dynamic_random-access_memory
Wireless networking standard
Rupert (3 October 2018). "Next-generation 802.11ax wi-fi: Dense, fast, delayed". ZDNet. Retrieved 23 March 2021. "IEEE 802.11, The Working Group Setting
Wi-Fi_6
Channel access method for networks using a shared communications medium
the propagation delay is short and the initiation can succeed. If, however, the mobile phone is farther than 35 km from the base station, the delay will
Time-division_multiple_access
Radio signal interference mitigation
protects the following user's timeslot from interference caused by propagation delay. It is a common misconception that TDMA timeslots begin with the guard
Guard_interval
Concept in radio communication
In radio communication, multipath is the propagation phenomenon that results in radio signals reaching the receiving antenna by two or more paths. Causes
Multipath_propagation
Application-level throughput of a network
delay (amount of data divided by bit rate) Propagation delay (distance divided by wave propagation speed) Packet queuing delay NAT translation delay Intermediate
Goodput
Scheme where multiple sites share a precise reference time or frequency
round-trip delay is the propagation delay to be compensated. A drawback is that the two-way propagation delay must be measured and used to calculate a delay correction
Time_and_frequency_transfer
One billionth of a second
taken by light to travel 1 metre in vacuum. 8 nanoseconds – typical propagation delay of 74HC series logic chips based on HCMOS technology, commonly used
Nanosecond
Time required for the output of an amplifier to stabilize
remained within a specified error band. Settling time includes a propagation delay, plus the time required for the output to slew to the vicinity of
Settling_time
Type of radio propagation
Non-line-of-sight (NLOS) radio propagation is the propagation of radio waves over a path where the direct line-of-sight between the transmitting and receiving
Non-line-of-sight_propagation
Serial communication protocol for two-channel digital audio
associated with the different line lengths can cause differences in propagation delay between the clock line and data line, this can result in synchronization
I2S
Making other gates using just NOR gates
connecting four NOR gates as shown below. This construction entails a propagation delay three times that of a single NOR gate. Alternatively, an XNOR gate
NOR_logic
In digital circuits, propagation time is the delay of the basic inverter of a given family. Thus, it measures the speed at which such family can operate
Propagation_time
IEEE standard for wireless networks
order to support outdoor communications, where the maximum possible propagation delay is larger compared to Indoor environments. Wake-up Radio (WUR) Operation
Wi-Fi_7
Type of logic circuit
amount of time to respond to changes to their inputs. This is called propagation delay. The interval between clock pulses must be long enough so that all
Sequential_logic
Standard for serial communication
of propagation delay in a long cable. ST must traverse a cable of unknown length and delay, clock a bit out of the DTE after another unknown delay, and
RS-232
Digital circuit without clock cycles
the combinational logic gates of the circuit. This time is called a propagation delay. As of 2021[update], timing of modern synchronous ICs takes significant
Asynchronous_circuit
Simulation technique in computer hardware design
necessary. Delay models define the propagation delay of logic gates in digital circuits. In the context of Static Timing Analysis (STA), delay models are
Static_timing_analysis
Calculation of signal delay times in integrated circuits
result in correlations among the delays of nearby components. See for an early example. Logical effort Propagation delay Electronic design automation Integrated
Delay_calculation
Wireless positioning technology
{\displaystyle \tau _{\ell }} are the complex channel gain and the propagation delay associated to the ℓ t h {\displaystyle \ell ^{th}} path. w ( t ) {\displaystyle
UWB_ranging
Time taken for a packet to travel across a network from source to destination
transmission delay, propagation delay, processing delay and queuing delay. Age of Information Minimum-Pairs Protocol Network delay Store and forward Abdou
End-to-end_delay
Huge computer powered by a star's energy
but on a smaller planetary scale and optimized for minimal signal propagation delay. A matrioshka brain design is concentrated on sheer capacity and the
Matrioshka_brain
Class of digital circuits
family, which has a typical gate propagation delay of 10ns and a power dissipation of 10 mW per gate, for a power–delay product (PDP) or switching energy
Transistor–transistor_logic
Data transmission rate management
inefficiency, and is particularly bad when the propagation delay is much longer than the transmission delay. Stop and wait can also create inefficiencies
Flow_control_(data)
Class of electrical signals
GPS Receiver 1PPS Output to Verify Time Stamp Accuracy and Measure Propagation Delay Sites that describe how to use the PPS signal to set precise time
Pulse-per-second_signal
Optimization algorithm for artificial neural networks
term back-propagation is often misunderstood as meaning the whole learning algorithm for multi layer neural networks. Actually, back-propagation refers only
Backpropagation
Logic gate
the lower arrangement offers the advantage of a shorter propagation delay (the time delay between an input changing and the output changing). XOR chips
XOR_gate
Ways electronic components fail and prevention measures
large degree of voiding is needed to create a temperature-sensitive propagation delay. Sometimes, circuit tolerances can make erratic behaviour difficult
Failure of electronic components
Failure_of_electronic_components
Arithmetic logic circuit
by lookahead carry logic requires a detailed analysis of gate and propagation delays for the particular technology being used. It is possible to have more
Carry-lookahead_adder
Digital electronic term
increase its propagation delay. As a result, rather than a fixed fan-out the designer is faced with a trade off between fan-out and propagation delay (which
Fan-out
Differential GPS system
accuracy, meaning the StarFire dGPS can compensate for variations in propagation delay. The second P(Y) signal is encrypted and cannot be used by civilian
StarFire_(navigation_system)
Type of counter
machines. Unlike binary counters, whose propagation delays grow as the number of bits increase, the propagation delays within a ring counter are constant regardless
Ring_counter
Efficient hardware implementation of a digital multiplier
reduction layers, but each layer has only O ( 1 ) {\displaystyle O(1)} propagation delay. A naive addition of partial products would require O ( log 2 n
Wallace_tree
European standard for trunked radio systems
reselect threshold (SRT), the fast reselect threshold (FRT), and propagation delay exceed parameters are most likely to be. These are represented in
TETRA
Types of quantum information
long enough coherence time to be usable by quantum logic gates (cf. propagation delay for classical logic gates). Since the development of the first quantum
Physical_and_logical_qubits
Misaligned timing signals from different paths
to gate or, in more advanced semiconductor technology, wire signal propagation delay. The instantaneous difference between the readings of any two clocks
Clock_skew
Electrical technology
in time. However, if the propagation delay in a wire, PCB trace, cable, or connector is significant (for example, if the delay is greater than 1/6 of the
On-die_termination
Sequence of network packets from a source computer to a destination
(the amount of time necessary to push all the packet into the wire) Propagation delay (amount of time it takes the signal’s header to travel from the sender
Traffic flow (computer networking)
Traffic_flow_(computer_networking)
Digital logic gate
the lower arrangement offers the advantage of a shorter propagation delay (the time delay between an input changing and the output changing). For the
XNOR_gate
Digital circuit found in computers
large reduction in gate count, now growing only with n log n; the propagation delay is larger, growing with log n (instead of being constant as with the
Barrel_shifter
PC chip handling onboard control tasks
as rise, fall, delay and storage times of the transistors, current gain bandwidth product, parasitic capacitance, and propagation delay, which increases
Northbridge_(computing)
Central computer component that executes instructions
In setting the clock period to a value well above the worst-case propagation delay, it is possible to design the entire CPU and the way it moves data
Central_processing_unit
Unshielded twisted pair communications cable
DC loop resistance ≤ 0.188 Ω/m Propagation speed relative to the speed of light 0.64 Propagation delay 5.30 ns/m Delay skew < 100 MHz < 0.20 ns/m Capacitance
Category_5_cable
Two equalities that deal with the current and potential difference
capacitively couple to each other (and to themselves), and have a finite propagation delay. Real conductors can be modeled in terms of lumped elements by considering
Kirchhoff's_circuit_laws
Anomalous radio echo
Explanations for Long Delayed Echoes Sverre Holm, Unusual HF Propagation Phenomena - MDE [Muldrew, D. B., Generation of long delay echoes, Journal of Geophysical
Long_delayed_echo
Model of computation
such as metastability, fanout, glitches, power consumption, and propagation delay variability. In giving a formal definition of Boolean circuits, Vollmer
Boolean_circuit
Device that prevents a transistor from saturating
significant portion of the propagation delay in the original TTL logic family. Storage time can be eliminated and propagation delay can be reduced by keeping
Schottky_transistor
Wireless networking standard in the 802.11 family
order to support outdoor communications, where the maximum possible propagation delay is larger compared to Indoor environments. Wake-up Radio (WUR) Operation
IEEE_802.11ac
Timing of substance within a medium
p} and c {\displaystyle c} denotes the speed of light in vacuum. Propagation delay Round-trip time Time of arrival Time of transmission Lamanna, Leonardo;
Time_of_flight
Type of radar where a known stable frequency continuous wave radio energy is transmitted
difference between the receive signal and the transmit signal increases with delay, and hence with distance. This smears out, or blurs, the Doppler signal
Continuous-wave_radar
Set of standards under development by the IEEE for real-time networking
ports), and the link latency of each hop (a propagation delay between two adjacent bridges). These calculated delays are then referenced to the GrandMaster
Time-Sensitive_Networking
Clock that monitors the resonant frequency of atoms
grade time receivers provide higher accuracy. Radio clocks incur a propagation delay of approximately 1 ms for every 300 kilometres (186 mi) of distance
Atomic_clock
Radar detection system
a point-to-point microwave link. The central site uses the known propagation delay from the side sites to estimate the TDOA of the pulses at each site
VERA_passive_sensor
Device that compares two voltages or currents
frequency signals. Consequently, an op-amp makes a sloppy comparator with propagation delays that can be as long as tens of microseconds. Since op-amps do not
Comparator
Echo-like effect
propagation of sound through the air. Unlike audio delay effects devices, straight delay is not mixed back in with the original signal. The delayed signal
Delay_(audio_effect)
Digital circuit optimisation
e} in the initial circuit. Let d ( v ) {\displaystyle d(v)} be the propagation delay through vertex v {\displaystyle v} . The goal in retiming is to compute
Retiming
Czechoslovak aircraft detection system
a point-to-point microwave link. The central site uses the known propagation delay from the side sites to estimate the TDOA of the pulses at each site
Tamara_passive_sensor
Ethernet physical layers using twisted-pair cables
specified characteristics are attenuation, characteristic impedance, propagation delay, and several types of crosstalk. Cable testers are widely available
Ethernet_over_twisted_pair
Integrated circuit customized for a specific task
functional blocks with known electrical characteristics, such as propagation delay, capacitance and inductance, that could also be represented in third-party
Application-specific integrated circuit
Application-specific_integrated_circuit
signal propagation delay. Consequently, the delay due to the communication between the parts of a chip becomes comparable to the computation delay itself
Interconnect_bottleneck
When a system's behavior depends on timing of uncontrollable events
transitions in less than the total feedback propagation time. Sometimes they are cured using inductive delay line elements to effectively increase the time
Race_condition
Dynamic disturbance in a medium or field
as light), coupling between the electric and magnetic fields sustains propagation of waves involving these fields according to Maxwell's equations. Electromagnetic
Wave
Early type of computer memory
random-access memory, delay-line memory was sequential-access. Analog delay line technology had been used since the 1920s to delay the propagation of analog signals
Delay-line_memory
Control concept
from the resistor divider. Ignoring dynamics (transient effects and propagation delay), the infinite gain of the ideal op-amp means this feedback circuit
Negative_feedback
Wireless networking protocol
order to support outdoor communications, where the maximum possible propagation delay is larger compared to Indoor environments. Wake-up Radio (WUR) Operation
IEEE_802.11ah
Algorithm for mutual exclusion on a distributed system
messages: 2 ∗ ( N − 1 ) {\displaystyle 2*(N-1)} Synchronization Delays: One message propagation delay Once site P i {\displaystyle P_{i}} has received a r e p
Ricart–Agrawala_algorithm
Data communications modulation protocol
same length so they almost never exhibit the same propagation delay. Small delay differences, or delay spread, smear adjacent modulation symbols together
Multiple frequency-shift keying
Multiple_frequency-shift_keying
PROPAGATION DELAY
PROPAGATION DELAY
Biblical
middle village; preparation
Girl/Female
Biblical
Middle village, preparation.
Girl/Female
Biblical
Preparation, or stability, of the Lord.
Male
Hebrew
(דְּלָיָהוּ) Variant form of Hebrew Delayah, DELAYAHU means "God has drawn."
Boy/Male
Indian
The delayer
Male
Hebrew
(דְּלָיָה) Hebrew name DELAYAH means "God has drawn." In the bible, this is the name of several characters, including a descendant of Zerubbabel.
Biblical
comforter; who conducts them; preparation of heat
Girl/Female
Biblical
Measure of a gift, preparation of a garment.
Female
Greek
(ΠαÏασκευή) Greek name PARASKEVE means "preparation."
Biblical
measure of a gift; preparation of a garment
Boy/Male
Biblical
Preparation; or strength; of the Lord.
Biblical
preparation, or strength, of Jehovah
Girl/Female
Biblical
Comforter, who conducts them, preparation of heat.
Male
Hebrew
 Variant spelling of Hebrew Delayah, DELAYA means "God has drawn."
Male
Hebrew
(תֶּרַח) Hebrew name TERACH means "delay" and "station." In the bible, this is the name of a place in the wilderness where the Israelites stopped on their Exodus. It is also the name of the father of Abraham.
Biblical
preparation, or disposition, or strength, of the Lord
Boy/Male
Biblical
Preparation; or disposition; or strength of the Lord.
Female
Russian
(ПараÑкева) Russian form of Greek Paraskeve, PRASKOVIYA means "preparation."
Biblical
preparation, or stability, of Jehovah
Boy/Male
Muslim
The delayer
PROPAGATION DELAY
PROPAGATION DELAY
Boy/Male
Hindu, Indian, Kannada, Marathi, Tamil, Telugu
Filled with Virtue
Boy/Male
Hindu
Lord Krishna (Son of Devki)
Boy/Male
Muslim
Arabic form of gabriel, An Angel
Boy/Male
Hindu, Indian
The Moon
Boy/Male
Hindu, Indian
Atlas; The Whole World
Boy/Male
Hindu
Boy/Male
Hindu, Indian
Best
Male
Finnish
Finnish form of Greek Andreas, ANTTI means "man; warrior."
Boy/Male
Gujarati, Hindu, Indian
Son of Bharat (Brother of Lord Rama)
Boy/Male
Hebrew
Jehovah has established.
PROPAGATION DELAY
PROPAGATION DELAY
PROPAGATION DELAY
PROPAGATION DELAY
PROPAGATION DELAY
n.
Uninterrupted succession; continuation; constant renewal; perpetuation; propagation.
n.
The state of being prepared or made ready; preparedness; readiness; fitness; as, a nation in good preparation for war.
a.
Pertaining to amphigony; sexual; as, amphigonic propagation.
n.
Propagation from seed.
n.
Sexual propagation.
n.
Derivation by descent; propagation.
a.
Producing by propagation, or by a process of growth.
n.
The act of preparing or fitting beforehand for a particular purpose, use, service, or condition; previous arrangement or adaptation; a making ready; as, the preparation of land for a crop of wheat; the preparation of troops for a campaign.
n.
The spreading abroad, or extension, of anything; diffusion; dissemination; as, the propagation of sound; the propagation of the gospel.
n.
Preparation.
n.
The act of propagating; continuance or multiplication of the kind by generation or successive production; as, the propagation of animals or plants.
n.
Want of preparation.
n.
A preparation.
n.
Harness; warlike preparation.
n.
The act of begetting; propagation.
n.
Propagation by seed.
v. t.
The act of violating sacred things, or of treating them with contempt or irreverence; irreverent or too familiar treatment or use of what is sacred; desecration; as, the profanation of the Sabbath; the profanation of a sanctuary; the profanation of the name of God.
a.
Propagating by one's self or by itself.
v. t.
To increase or distribute by propagation.
v.
Preparation.