Key facts
Being able to analyze the characteristics of demodulated signals with unknown codings is very important in the technical analysis of modern communications signals. In addition to various symbol stream/bitstream representations, R&S®CA250 provides a large number of powerful analysis algorithms and bitstream manipulation functions. When selectively deployed, the tool can be used to obtain technical data from an unknown bitstream. This data provides information about the type and content of the analyzed signal. Ideally, all aspects of the unknown code can be resolved, allowing the user to program (outside of R&S®CA250) a specific decoder for the unknown signal.
Structure analysis and statistical methods
R&S®CA250 supports the import of files in different symbol stream and bitstream formats. The R&S®CA250 features versatile functions such as autocorrelation and cross-correlation, configurable pattern search, entropy tests (Tsallis, Maurer, chi-square), calculations of column sum/parity and line sum/parity, which can all be used to analyze bit structures.
Versatile bitstream analysis functions
Standard and complex bitstream manipulation
In addition to basic manipulation functions, such as selective deletion or bit inversion, the following complex functions are available: conversion from differential coding to absolute coding, decoding of line codes (NRZ-L, NRZ-M, NRZ-S), Boolean operations, multiplexing, demultiplexing, descrambling and deinterleaving. The R&S®CA250 features a wide range of decoding methods, including standard decoders such as Viterbi (for convolutional codes), Reed-Solomon, BCH and CRC decoders and much more.
Wide variety of processing functions for channel coded bitstreams
Detection and processing of typical payload structures
After a bitstream is successfully analyzed and decoded, its content may be available in plain text. However, the content is often a binary file requiring further processing. By applying file type identifications to characteristic bit patterns, the user can determine the extracted file type (e.g. WAV, ZIP, BMP, PDF, MP3). The user can expand the list of identifiable file types.
Payload analysis and processing
Related products
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Terms & Conditions of the Prize Draw 10 years Rohde & Schwarz oscilloscopes
1. The prize draw “10 years Rohde & Schwarz oscilloscopes” (herein referred to as “Draw”) is organized by Rohde & Schwarz GmbH & Co. KG, Mühldorfstraße 15, 81671 Munich, Germany, Tel. +49 89 41 29 0 (herein referred to as “R&S).
2. All participators can register to the draw during January 01, 2020 to December 31, 2020 with their name, company name and business e-mail.
3. Participation is free of charge and not dependent on the purchase of goods or services.
4. The draw is only open to legal entities and only the legal entities are able to win the prizes. An individual person is not allowed to participate on its own name and its own account but as a representative of a legal entity filing the participation form in the name of and on behalf of the legal entity.
5. The prizes to win are 1 of 10 R&S®RTB2000 within the time frame January 1, 2020 to December 31, 2020:
Prize: 1x R&S®RTB2000 Digital Oscilloscope
6. The draw takes place at Rohde & Schwarz headquarters, Muehldorstrasse 15, 81671 Munich. The winner of the prizes will be informed by e-mail within 5 (5) working days.
7. The authorized representative of the legal entity shall inform Rohde & Schwarz about the acceptance of the price. In case of the denial of the acceptance, or no answer within two (2) weeks, a new winner will be drawn. If no winner can be determined within four (4) weeks, the draw ends and the prize forfeit.
8. R&S’ employees and members of their families and also person being familiar with the process of the draw and members of their families are excluded from filling the participation form.
9. No cash equivalent or exchange of prizes is allowed. Prizes are non-transferable. All taxes, levies, duties, fees and other charges levied in the participant´s country shall be borne by the participant.
10. Personal data will be processed only for the purpose of this prize draw and deleted four (4) weeks after the draw, if not agreed otherwise.
11. Any Participant who does not comply with these Terms & Conditions may be disqualified by R&S from this Competition. In such cases, prizes can also be withdrawn retrospectively. In case a prize is withdrawn retrospectively due to the non-compliance with these Terms & Conditions, it shall be returned by the respective participant at his cost to R&S’ address mentioned under Nr.1 and a new winner will be drawn.
12. The participants cannot claim the prizes of this draw and no legal recourse is permitted in this respect.
13. The draw and any contractual relationship arising therefrom between R&S and the respective participant shall be governed by and construed in accordance with the laws of Germany, without any recourse to the conflict of laws. The courts of Munich, Germany, shall have exclusive jurisdiction in case of any disputes arising directly or indirectly from the participation in this Competition.
* “fast delivery” inside 7 working days applies to the Rohde & Schwarz in-house procedures from order processing through to available ex-factory to ship.
