NEW PSEUDO RANDOM BINARY SEQUENCE PHASE SHIFT KEYED SIGNALS FOR ELECTRICAL MEASUREMENT
Abstract
The two well known digital signals used in system identification are the squarewave and Pseudo Random Binary Sequence (PRBS) signals. In data measurement, symbols with the aid of the identification coding theorems are used to capture information using an identification channel. Previously signal engineering design techniques involving descriptive languages, symbolic codes, shift keyed symbols were used to design new sets of test signal, which were based on the squarewave. These symbols are used to form digital signals for narrowband or wideband multifrequency testing. In this paper, symbolic codes are used to simplify the description of PRBS signals. Phase shift keyed modulation is then used to design new band limited PRBS test signals using a 15 bit Maximum length (M) PRBS. In narrowband frequency response measurement, the bandwidth of these new PRBS signals may be adjusted with the aid of a zoom factor. A new approach to the symbolic description of these phase shift keyed signals is given. It simplifies the software production of these test signals from their measurement zoom codes.
Event details
- Event
- TC4 Symposium 2001
- Technical Committee
- TC4
- Place
- Lisbon, PORTUGAL
- Time
- 13 September 2001 - 14 September 2001