Title :
Accuracy Improvement of Oscilloscope Based Modulated RF Measurements
Author :
Fager, Christian ; Andersson, Kristoffer
Author_Institution :
Microwave Electron. Lab., Chalmers Univ. of Technol., Goteborg
Abstract :
A statistical averaging method based on an extended Kalman filter is applied to digital sampling oscilloscope (DSO) measurements of modulated RF signals. Various measurements using a 48 Mbit/s 802.11a signal modulated onto a 1.9 GHz carrier are used to demonstrate significant performance enhancements as compared to traditional measurement techniques. The method presented shows that a general purpose high frequency DSO can replace more expensive and dedicated equipment for accurate characterization of microwave devices under modulated signal excitation
Keywords :
Kalman filters; UHF measurement; digital storage oscilloscopes; signal processing equipment; statistical analysis; 1.9 GHz; 48 Mbit/s; digital sampling oscilloscope; extended Kalman filter; microwave measurement; statistical averaging; statistical signal processing; Bandwidth; Digital modulation; Frequency measurement; Microwave measurements; Microwave technology; Microwave theory and techniques; Oscilloscopes; Performance evaluation; Radio frequency; Sampling methods; Digital sampling oscilloscope; microwave measurement techniques; statistical signal processing;
Conference_Titel :
Integrated Nonlinear Microwave and Millimeter-Wave Circuits, 2006 International Workshop on
Conference_Location :
Aveiro
Print_ISBN :
0-7803-9723-1
Electronic_ISBN :
0-7803-9723-1
DOI :
10.1109/INMMIC.2006.283496
