How is the target detected in a tracking radar?

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SUMMARY

The detection of targets in tracking radar systems involves the transmission of short pulses of RF energy at a specific frequency, known as the Pulse Repetition Rate (PRR). A PRR of 300 microseconds corresponds to a detection range of approximately 300 miles. During the intervals between these pulses, the radar receiver actively listens for return signals that indicate the presence of a target within its range. These return signals appear at a consistent location on the radar display, allowing for effective tracking of the target's movement.

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  • Understanding of RF energy transmission
  • Knowledge of Pulse Repetition Rate (PRR)
  • Familiarity with radar signal processing
  • Basic principles of target tracking in radar systems
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How is the target detected in a tracking radar?
 
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A radar transmits a short pulse of RF energy at a tightly controlled frequency. This pulse is repeated at a set rate (PRR or Pulse repetition Rate) This rate determines the range of the radar (IIRC 300microsec prr corresponds to 300miles) During the time between pulses the Radar receiver "listens" for any signal at the frequency of the transmitted pulse. If there is a "target" inside of the range of the radar you will receive a return signal at the same time after each pulse is transmitted. This will return will show up at a fixed location (it will move slowly) on the display.
 

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