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Momentum with the principle of the Doppler effect applied.

The Doppler effect is used in some types of radar, to measure the speed of detected objects. A radar beam is fired at a moving target (for example, a car, as in the radar's use of radar to detect the speed of vehicles) as it approaches or moves away from the radar source. Each successive radar wave has to travel further to reach the car, before being reflected and detected again near the source. As each wave has to move farther, the distance between each wave increases, producing an increase in wavelength. In some situations, the radar beam is used with the car in motion and, if it approaches the observed vehicle, then each successive wave travels a shorter distance, producing a decrease in wavelength. In any of these situations, the Doppler effect calculations allow to determine with precision the speed of the vehicle observed by the radar.


  • Periods
  • Doppler


Miguel Angel Vico Alba

Founder/CEO en Pathfinder Systems.

Research and development of algorithmic trading systems for MetaQuotes Language (MQL). Management of private stock portfolios. MQL5.com Forum Moderator. In markets since 2008.

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Version 11.0 2019.08.13
Code review.
Version 10.90 2017.05.23
Updated and tested for MetaTrader 4 Version: 4.00 Build 1090 (19 May 2017).
Version 2.5 2017.05.18
Updated and tested for MetaTrader 4 Version: 4.00 Build 1080 (12 May 2017).
Update consensus with the rest of my products to version 2.5.
Added new description and link to the comments on the web.
Version 2.0 2017.05.03
Updated and tested (MetaTrader 4.00 Build 1065).
Version 1.3 2017.02.28
Updated and tested (MetaTrader 4.00 Build 1045)
Version 1.2 2017.01.13
Updated to and tested for the build 1031 (MT4).
Version 1.1 2016.07.08
Version 1.1
- Optimized code.
- Changed label of description.
- Fixed issue with updating on smaller timeframes.