High-order DDFS applied in simulated high-dynamic GNSS signal synthesis

Author

Zhang, Bo ; Liu, Guangbin ; Jiao, Wei ; Liu, Dong

Author_Institution

Lab. of Guidance & Control, Xi´´an Res. Inst. of Hi-tech Hong Qing, Xi´´an, China

fYear

2009

fDate

16-19 Aug. 2009

Abstract

GNSS signal simulators are developed to obtain specific GNSS signal for research on satellites navigation. High-order DDFS synthesizer is need to meet the demand of reconstructing the signal with high-order characteristic states when the GNSS signal is received by a receiver installed on a vehicle with high-dynamic motion. The signal state vector with proper orders to represent the high-dynamic motion of the receiver´s PCA is determined, and a guide line to choose proper DDFS parameters is provided. The implemented GNSS signal synthesizers are verified by a simulation instance. The results indicate that the state errors of synthesized signal are blow the tolerance limits of the design.

Keywords

direct digital synthesis; receiving antennas; satellite navigation; signal reconstruction; vectors; Global Navigation Satellite system; PCA; direct digital frequency synthesis; high-dynamic GNSS signal synthesis; high-dynamic motion; high-order DDFS; receiver phase center-of-antenna; satellites navigation; signal reconstruction; signal state vector; Frequency synthesizers; Global Positioning System; Instruments; Laboratories; Principal component analysis; Satellite broadcasting; Satellite navigation systems; Signal mapping; Signal synthesis; Vehicles; direct digital frequency synthesis; global navigation satellites system; high-dynamic; signal reconstruction;

fLanguage

English

Publisher

ieee

Conference_Titel

Electronic Measurement & Instruments, 2009. ICEMI '09. 9th International Conference on

Conference_Location

Beijing

Print_ISBN

978-1-4244-3863-1

Electronic_ISBN

978-1-4244-3864-8

Type

conf

DOI

10.1109/ICEMI.2009.5274150

Filename

5274150