earth-received time

Thân thiện

The scientists recorded the signal's earth-received time.

Definition

1. Noun:
   • Earth-received time refers to the Coordinated Universal Time (UTC) at which a signal or event is received at a ground station on Earth. This term is primarily used in space communications and astronomy to precisely timestamp when data from spacecraft, satellites, or celestial events arrives on Earth.

Usage

• Noun:
  • The mission control team noted the earth-received time of the signal to calculate the probe's exact position.
  • Scientists compared the earth-received time with the event's known emission time to measure the distance.

Advanced Usage

• "ERT": This is the standard abbreviation for .
  • The data file is timestamped with the ERT for synchronization.
• In technical contexts, is often contrasted with spacecraft event time or one-way light time, which account for the signal's travel duration from its source.

Variants and Related Words

• Coordinated Universal Time (UTC): The primary time standard by which the world regulates clocks and time, forming the basis for .
• Ground Receive Time (GRT): A synonym often used interchangeably with in satellite operations.
• One-way light time (OWLT): The elapsed time it takes for a signal to travel from a spacecraft to Earth; minus OWLT equals the time the signal was sent.

Synonyms

• Ground receipt time
• Signal reception time (in UTC)

Related Phrases

• As of ERT: Used to specify that a given status or data is current at the stated earth-received time.
  • The spacecraft was nominal as of the 12:00:00 UTC ERT.

Học thuật

Noun

1. the coordinated universal time when an event is received on Earth

Từ đồng nghĩa

• Earth-received time
• ERT