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Data Communication

The following list provides examples of activities we have performed

Concept Definition for a Comparative Data Link Performance Test Campaign

This task encompassed development of the objectives, the concept, the detailed test approach and the tools for a test campaign in which different Data Link Media (AMSS, Mode S and VHF Modes 2 and 4) were benchmarked and evaluated in terms of their respective capabilities.

Concept Definition of ATN Data
Link Trials Infrastructure

In this task it was necessary to integrate existing implementations of the Aeronautical Mobile Satellite Service AMSS and of Mode S together with an entire ATN protocol stack in order to produce ATN integrated application layer services (e.g. CPDLC) for a controller pilot simulation facility.

Engineering Support

CIMS Engineering Support provides a sound basis for engineering activities in advanced technologies. CIMS E&S offers more than 15 years in-depth engineering experience in communication, automation and testing of space, aeronautical and industrial applications.

Typical application areas for CIMS Engineering Support are:

Development of technical Concepts
Development of technical Specifications
Trouble Shooting
Trials & Test Evaluation
Systems Engineering
Test Software Development

CIMS Digital Recording & Analysis System

The CIMS Digital Recording and Analysis System (D-RAS) provides long term recording capabilities for analogue signals and the offline analysis of the recorded data. A D-RAS version is currently used as CORAL by DFS Deutsche Flugsicherung GmbH.

D-RAS allows to record between 1 and 4 analogue signals on a digital storage medium. The digital recording method prevents any degradation of the recorded signals.

Capabilities

After the recording the data can be evaluated by the D-RAS analysis facility. The analysis functions can be customised to satisfy any particular evaluation requirements. As a basic means an oscilloscope display is provided which allows to view arbitrary intervals of the recorded signals in the time domain.

Two channels can be viewed simultaneously.

Navigation elements allow to navigate through the hours of recorded data and view any particular interval.

By means of search functions particular events or times can be found in the data sets. Dedicated search functions for more complex signal patterns can be implemented in accordance with customer requirements.

Input Signals

Number: 2 (4 optional)
Impedance: 50 Ohms
(1 MOhm optional)
Input Range: 0 - 2.5 V
(+/- 1 V, +/- 2 V, +/- 5 V optional)
Resolution: 8 bit
(10 or 12 bit optional)

Recording

Duration:
up to 5 hours (data reduction off)
up to 120 hours (data reduction on)
Methods:
Continuous
Start - Stop
Ring-Buffer
Sample Rate: up to 20 MS/s
Storage Medium:
Exchangeable High Density Harddisks