Riegl USA Announces the Fully Automatic Multiple Time Around Processing Detection Software

Orlando, Florida, January 23, 2012 - Riegl USA is excited to announce the release of the RIEGL fully automatic Multiple Time Around (MTA) zone detection workflow for the LMS-Q680i scanner. RiMTA is an automatic range ambiguity resolution algorithm which detects all MTA zones automatically during post processing. Multiple Time Around (MTA) processing allows multiple laser pulses to be in the air during data acquisition. The RiMTA improvement is especially beneficial for projects in the mountainous terrain, because it relaxes the requirements in flight planning.

Combining both a hardware and a software approach, RiMTA analyzes the pulse position modulation (PPM) applied to the Q680i scanner's pulse repetition rate (PRR). This small variation (e.g. ± 2.7kHz at 400kHz) of the pulse repetition rate flags each emitted laser pulse where the software algorithm analyzes its effect on the measurement ranges. Only pulses in the correct zone will not be affected by this time offset caused by the modulation. This technique allows for the software analysis to automatically determine which MTA zone the data point lies in by looking for the lowest calculated noise in the data.

The benefits of this innovation are:

  • Easier flight planning in mountainous terrain
  • Automatic range ambiguity resolution for MTA zones
  • Smooth integration into the RIEGL data processing workflow

About Riegl USA

The key factor to Riegl USA's reliability and success is the full service experience offered to our customers, from your initial purchase, integration of the system, training and support. Riegl USA stands out as an LiDAR industry leader.

Riegl USA located in Orlando, FL, is the North American office for RIEGL Laser Measurement Systems, GmbH, with headquarters in Horn, Austria. With over 33 years experience in the research, development and manufacturer of time-of-flight based optical radar systems, our products are used for tripod, airborne survey, industrial process control, altimetry, aerospace, mobile, hydrographic and bathymetric applications.

Riegl USA is recognized as the performance leader in the mobile mapping, civil infrastructure, airborne scanning, hydrographic, mining and terrestrial based industries. Our instruments are well known for their ruggedness and reliability under demanding environmental conditions. RIEGL's various 3D scanners offer a wide array of performance characteristics and serve as a platform for continuing "Innovation in 3D" for the laser scanning business.


Susan Licari
Marketing Manager
Riegl USA
7035 Grand National Drive, Suite 100
Orlando, FL 32819
Phone: 407-248-9927 Fax: 407-248-2636
Toll Free: 1-855-GO-RIEGL USA
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Serving North American Market since 1993

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